./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur --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 c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f --- 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-38b53e6 [2022-11-25 22:31:14,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:31:14,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:31:14,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:31:14,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:31:14,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:31:15,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:31:15,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:31:15,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:31:15,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:31:15,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:31:15,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:31:15,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:31:15,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:31:15,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:31:15,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:31:15,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:31:15,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:31:15,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:31:15,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:31:15,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:31:15,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:31:15,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:31:15,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:31:15,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:31:15,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:31:15,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:31:15,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:31:15,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:31:15,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:31:15,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:31:15,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:31:15,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:31:15,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:31:15,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:31:15,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:31:15,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:31:15,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:31:15,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:31:15,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:31:15,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:31:15,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:31:15,101 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:31:15,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:31:15,102 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:31:15,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:31:15,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:31:15,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:31:15,104 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:31:15,104 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:31:15,105 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:31:15,105 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:31:15,106 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:31:15,106 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:31:15,106 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:31:15,106 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:31:15,106 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:31:15,107 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:31:15,107 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:31:15,107 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:31:15,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:31:15,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:31:15,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:31:15,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:31:15,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:31:15,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:31:15,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:31:15,109 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:31:15,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:31:15,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:31:15,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:31:15,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:31:15,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:31:15,111 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:31:15,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:31:15,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:31:15,111 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:31:15,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:31:15,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:31:15,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:31:15,112 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_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f [2022-11-25 22:31:15,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:31:15,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:31:15,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:31:15,412 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:31:15,412 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:31:15,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-11-25 22:31:18,499 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:31:19,187 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:31:19,188 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-11-25 22:31:19,240 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/data/9e33afa37/72b40dd44f88487bb41ce4d958a06db4/FLAGb54ce9563 [2022-11-25 22:31:19,261 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/data/9e33afa37/72b40dd44f88487bb41ce4d958a06db4 [2022-11-25 22:31:19,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:31:19,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:31:19,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:31:19,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:31:19,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:31:19,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:31:19" (1/1) ... [2022-11-25 22:31:19,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e81c16f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:19, skipping insertion in model container [2022-11-25 22:31:19,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:31:19" (1/1) ... [2022-11-25 22:31:19,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:31:19,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:31:20,483 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:31:20,495 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 22:31:20,507 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:31:20,518 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 22:31:20,587 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 22:31:20,706 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:31:20,711 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:31:20,711 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:31:20,719 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:31:20,733 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:31:20,744 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:31:20,757 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 22:31:20,769 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 22:31:20,801 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 22:31:20,812 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:31:20,816 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 22:31:20,963 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 22:31:20,965 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 22:31:20,979 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:31:20,980 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,012 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 22:31:21,017 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 22:31:21,110 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:31:21,172 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:21,208 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:21,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,215 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:21,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,228 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,230 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,231 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,231 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,232 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,232 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,239 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,240 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,273 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,281 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,282 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,284 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,285 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:31:21,291 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:21,292 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,297 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:21,298 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,312 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:21,315 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,334 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:21,345 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:21,348 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:21,358 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,383 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:31:21,412 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:21,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,414 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,420 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:31:21,431 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:31:21,438 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,438 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,439 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:21,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,477 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,485 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,486 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,508 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:31:21,510 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 22:31:21,511 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:31:21,513 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 22:31:21,513 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:31:21,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,551 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,559 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,598 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:31:21,638 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:31:21,640 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:31:21,641 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:31:21,688 WARN L623 FunctionHandler]: Unknown extern function pci_map_rom [2022-11-25 22:31:21,693 WARN L623 FunctionHandler]: Unknown extern function pci_unmap_rom [2022-11-25 22:31:21,694 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 22:31:21,700 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:31:21,700 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:31:21,710 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,712 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:31:21,715 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,715 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 22:31:21,716 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,725 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:31:21,728 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,729 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-25 22:31:21,730 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 22:31:21,731 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:31:21,732 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,733 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,733 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,735 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,735 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,736 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:21,738 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 22:31:21,739 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:31:21,745 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 22:31:21,745 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:31:21,758 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:31:22,026 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 22:31:22,027 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:31:22,029 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 22:31:22,031 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 22:31:22,039 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 22:31:22,040 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 22:31:22,048 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:31:22,050 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 22:31:22,068 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 22:31:22,069 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 22:31:22,075 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:31:22,079 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:31:22,087 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:31:22,088 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:31:22,088 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:31:22,089 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:31:22,089 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 22:31:22,090 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:31:22,091 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:31:22,091 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:31:22,091 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:31:22,092 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:31:22,092 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:31:22,157 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:31:22,166 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,236 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,241 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,247 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,252 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,270 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,275 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,281 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,286 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,291 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,309 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,314 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,321 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,326 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,331 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,350 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,365 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,371 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,376 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,381 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,400 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,401 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,401 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,406 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,412 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,430 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,436 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,441 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,446 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,451 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,469 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,474 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,479 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,484 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,491 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,510 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,515 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,560 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,565 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,570 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,605 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,632 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,637 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,642 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,671 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,689 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,699 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,704 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,709 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,714 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,732 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,737 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,742 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,747 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,752 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,770 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,775 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,780 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,785 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,790 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,809 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,814 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,818 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,823 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,828 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,846 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,847 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,847 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,848 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,848 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,848 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,848 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,849 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,849 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,849 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,850 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,850 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,850 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,851 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:22,873 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_b7d17f87-542b-4e32-8ad1-128b65eb304e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2022-11-25 22:31:22,877 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_b7d17f87-542b-4e32-8ad1-128b65eb304e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2022-11-25 22:31:22,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:31:22,942 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:31:23,065 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:31:23,065 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 22:31:23,066 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:31:23,066 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 22:31:23,067 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 22:31:23,074 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:31:23,076 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:31:23,076 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:31:23,078 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:31:23,079 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:31:23,080 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:31:23,081 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 22:31:23,085 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 22:31:23,089 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 22:31:23,091 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:31:23,092 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 22:31:23,097 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 22:31:23,097 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 22:31:23,098 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:31:23,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,099 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 22:31:23,100 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 22:31:23,101 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:31:23,103 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:23,110 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:23,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,113 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:23,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,117 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,122 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,122 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,144 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:31:23,145 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:23,146 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,146 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:23,147 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,147 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:23,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,150 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:23,153 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:23,154 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:23,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,162 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:31:23,166 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:23,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,170 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:31:23,175 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:31:23,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,180 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:31:23,185 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,187 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,187 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,190 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,190 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,193 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,196 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,197 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,197 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,203 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:31:23,204 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 22:31:23,204 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:31:23,205 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 22:31:23,205 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:31:23,206 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,219 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:31:23,224 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:31:23,225 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:31:23,225 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:31:23,311 WARN L623 FunctionHandler]: Unknown extern function pci_map_rom [2022-11-25 22:31:23,313 WARN L623 FunctionHandler]: Unknown extern function pci_unmap_rom [2022-11-25 22:31:23,314 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 22:31:23,315 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:31:23,316 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:31:23,318 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,319 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:31:23,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,327 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 22:31:23,327 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,330 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:31:23,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,332 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-25 22:31:23,332 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-25 22:31:23,333 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 22:31:23,333 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,338 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,339 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,339 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,340 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,340 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:31:23,342 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 22:31:23,343 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:31:23,344 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 22:31:23,344 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:31:23,352 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:31:23,359 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 22:31:23,360 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:31:23,361 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 22:31:23,363 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 22:31:23,367 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 22:31:23,367 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 22:31:23,375 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:31:23,377 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 22:31:23,385 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 22:31:23,385 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 22:31:23,390 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:31:23,391 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:31:23,392 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:31:23,393 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:31:23,393 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:31:23,393 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:31:23,394 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 22:31:23,394 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:31:23,395 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:31:23,395 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:31:23,395 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:31:23,396 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:31:23,396 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:31:23,400 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:31:23,400 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,405 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,405 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,406 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,406 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,407 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,408 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,408 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,409 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,409 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,410 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,410 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,411 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,411 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,412 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,413 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,413 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,414 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,414 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,414 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,415 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,416 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,416 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,417 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,417 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,418 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,419 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,419 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,420 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,420 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,421 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,421 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,422 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,422 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,423 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,424 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,424 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,424 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,425 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,425 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,426 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,427 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,427 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,428 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,428 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,429 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,430 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,430 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,430 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,431 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,432 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,432 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,433 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,433 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,435 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,436 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,437 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,437 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,438 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,439 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,440 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,440 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,441 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,441 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,442 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,443 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,443 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,444 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,444 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,444 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,445 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,445 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,445 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,445 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,446 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,446 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,446 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,446 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,447 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:31:23,449 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_b7d17f87-542b-4e32-8ad1-128b65eb304e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2022-11-25 22:31:23,450 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_b7d17f87-542b-4e32-8ad1-128b65eb304e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2022-11-25 22:31:23,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:31:23,681 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:31:23,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:23 WrapperNode [2022-11-25 22:31:23,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:31:23,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:31:23,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:31:23,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:31:23,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:23" (1/1) ... [2022-11-25 22:31:23,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:23" (1/1) ... [2022-11-25 22:31:23,987 INFO L138 Inliner]: procedures = 444, calls = 2174, calls flagged for inlining = 215, calls inlined = 200, statements flattened = 5051 [2022-11-25 22:31:23,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:31:23,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:31:23,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:31:23,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:31:23,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:23" (1/1) ... [2022-11-25 22:31:23,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:23" (1/1) ... [2022-11-25 22:31:24,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:23" (1/1) ... [2022-11-25 22:31:24,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:23" (1/1) ... [2022-11-25 22:31:24,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:23" (1/1) ... [2022-11-25 22:31:24,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:23" (1/1) ... [2022-11-25 22:31:24,302 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:23" (1/1) ... [2022-11-25 22:31:24,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:23" (1/1) ... [2022-11-25 22:31:24,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:31:24,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:31:24,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:31:24,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:31:24,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:23" (1/1) ... [2022-11-25 22:31:24,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:31:24,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:31:24,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:31:24,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:31:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-25 22:31:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2022-11-25 22:31:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2022-11-25 22:31:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-25 22:31:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-25 22:31:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 22:31:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 22:31:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 22:31:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 22:31:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2022-11-25 22:31:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2022-11-25 22:31:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2022-11-25 22:31:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2022-11-25 22:31:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2022-11-25 22:31:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2022-11-25 22:31:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 22:31:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 22:31:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2022-11-25 22:31:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2022-11-25 22:31:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 22:31:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 22:31:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-25 22:31:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-25 22:31:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2022-11-25 22:31:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2022-11-25 22:31:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2022-11-25 22:31:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2022-11-25 22:31:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 22:31:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 22:31:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2022-11-25 22:31:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2022-11-25 22:31:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-25 22:31:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-25 22:31:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2022-11-25 22:31:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2022-11-25 22:31:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2022-11-25 22:31:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2022-11-25 22:31:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-11-25 22:31:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-11-25 22:31:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 22:31:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 22:31:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 22:31:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 22:31:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 22:31:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 22:31:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-25 22:31:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-25 22:31:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 22:31:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 22:31:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 22:31:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 22:31:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:31:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-25 22:31:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-25 22:31:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-11-25 22:31:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-11-25 22:31:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 22:31:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 22:31:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 22:31:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 22:31:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 22:31:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 22:31:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 22:31:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 22:31:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:31:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 22:31:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 22:31:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-25 22:31:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-25 22:31:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-25 22:31:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-25 22:31:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 22:31:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 22:31:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 22:31:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 22:31:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 22:31:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 22:31:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2022-11-25 22:31:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2022-11-25 22:31:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2022-11-25 22:31:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2022-11-25 22:31:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:31:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 22:31:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 22:31:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 22:31:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 22:31:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2022-11-25 22:31:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2022-11-25 22:31:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-25 22:31:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-25 22:31:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:31:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2022-11-25 22:31:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2022-11-25 22:31:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 22:31:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 22:31:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 22:31:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 22:31:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:31:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:31:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:31:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:31:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:31:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-25 22:31:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-25 22:31:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-25 22:31:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-25 22:31:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 22:31:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 22:31:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-25 22:31:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-25 22:31:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 22:31:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 22:31:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 22:31:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 22:31:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 22:31:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 22:31:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-25 22:31:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-25 22:31:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2022-11-25 22:31:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2022-11-25 22:31:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:31:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:31:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2022-11-25 22:31:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2022-11-25 22:31:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-25 22:31:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-25 22:31:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 22:31:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2022-11-25 22:31:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2022-11-25 22:31:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 22:31:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 22:31:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 22:31:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-25 22:31:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-25 22:31:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-25 22:31:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-25 22:31:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-25 22:31:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-25 22:31:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2022-11-25 22:31:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2022-11-25 22:31:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:31:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:31:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 22:31:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 22:31:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-25 22:31:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-25 22:31:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-25 22:31:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-25 22:31:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-25 22:31:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-25 22:31:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:31:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:31:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-25 22:31:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-25 22:31:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2022-11-25 22:31:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2022-11-25 22:31:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:31:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 22:31:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 22:31:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2022-11-25 22:31:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2022-11-25 22:31:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 22:31:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 22:31:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 22:31:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 22:31:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-25 22:31:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-25 22:31:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2022-11-25 22:31:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2022-11-25 22:31:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2022-11-25 22:31:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2022-11-25 22:31:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-25 22:31:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-25 22:31:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 22:31:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 22:31:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2022-11-25 22:31:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2022-11-25 22:31:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:31:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 22:31:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 22:31:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-25 22:31:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-25 22:31:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 22:31:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 22:31:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-25 22:31:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-25 22:31:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-25 22:31:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-25 22:31:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 22:31:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 22:31:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:31:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-25 22:31:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-25 22:31:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 22:31:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 22:31:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-25 22:31:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-25 22:31:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2022-11-25 22:31:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2022-11-25 22:31:25,369 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:31:25,372 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:31:26,131 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 22:31:32,075 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 22:31:32,332 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:31:34,215 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:31:34,215 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 22:31:34,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:34 BoogieIcfgContainer [2022-11-25 22:31:34,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:31:34,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:31:34,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:31:34,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:31:34,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:31:19" (1/3) ... [2022-11-25 22:31:34,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a39f66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:31:34, skipping insertion in model container [2022-11-25 22:31:34,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:23" (2/3) ... [2022-11-25 22:31:34,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a39f66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:31:34, skipping insertion in model container [2022-11-25 22:31:34,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:34" (3/3) ... [2022-11-25 22:31:34,231 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-11-25 22:31:34,251 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:31:34,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:31:34,331 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:31:34,338 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;@5b2a5b6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:31:34,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:31:34,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 1538 states, 882 states have (on average 1.3061224489795917) internal successors, (1152), 920 states have internal predecessors, (1152), 565 states have call successors, (565), 91 states have call predecessors, (565), 90 states have return successors, (559), 545 states have call predecessors, (559), 559 states have call successors, (559) [2022-11-25 22:31:34,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-25 22:31:34,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:34,381 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 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] [2022-11-25 22:31:34,382 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:34,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:34,387 INFO L85 PathProgramCache]: Analyzing trace with hash 829388627, now seen corresponding path program 1 times [2022-11-25 22:31:34,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:34,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857509318] [2022-11-25 22:31:34,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:34,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:35,372 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-25 22:31:35,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:35,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857509318] [2022-11-25 22:31:35,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857509318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:35,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:35,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:35,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402001388] [2022-11-25 22:31:35,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:35,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:35,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:35,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:35,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:35,436 INFO L87 Difference]: Start difference. First operand has 1538 states, 882 states have (on average 1.3061224489795917) internal successors, (1152), 920 states have internal predecessors, (1152), 565 states have call successors, (565), 91 states have call predecessors, (565), 90 states have return successors, (559), 545 states have call predecessors, (559), 559 states have call successors, (559) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:31:38,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:39,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:39,782 INFO L93 Difference]: Finished difference Result 4437 states and 6613 transitions. [2022-11-25 22:31:39,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:39,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 143 [2022-11-25 22:31:39,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:39,826 INFO L225 Difference]: With dead ends: 4437 [2022-11-25 22:31:39,826 INFO L226 Difference]: Without dead ends: 2849 [2022-11-25 22:31:39,842 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 [2022-11-25 22:31:39,845 INFO L413 NwaCegarLoop]: 2784 mSDtfsCounter, 2050 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2050 SdHoareTripleChecker+Valid, 4789 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:39,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2050 Valid, 4789 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-25 22:31:39,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2849 states. [2022-11-25 22:31:40,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2849 to 2845. [2022-11-25 22:31:40,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2845 states, 1650 states have (on average 1.2987878787878788) internal successors, (2143), 1725 states have internal predecessors, (2143), 1020 states have call successors, (1020), 175 states have call predecessors, (1020), 174 states have return successors, (1033), 988 states have call predecessors, (1033), 1020 states have call successors, (1033) [2022-11-25 22:31:40,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2845 states and 4196 transitions. [2022-11-25 22:31:40,134 INFO L78 Accepts]: Start accepts. Automaton has 2845 states and 4196 transitions. Word has length 143 [2022-11-25 22:31:40,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:40,135 INFO L495 AbstractCegarLoop]: Abstraction has 2845 states and 4196 transitions. [2022-11-25 22:31:40,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:31:40,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 4196 transitions. [2022-11-25 22:31:40,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-25 22:31:40,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:40,145 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:40,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:31:40,145 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:40,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:40,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1846326813, now seen corresponding path program 1 times [2022-11-25 22:31:40,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:40,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099526268] [2022-11-25 22:31:40,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:40,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:40,565 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-11-25 22:31:40,566 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:40,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099526268] [2022-11-25 22:31:40,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099526268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:40,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:40,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:40,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204205547] [2022-11-25 22:31:40,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:40,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:40,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:40,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:40,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:40,571 INFO L87 Difference]: Start difference. First operand 2845 states and 4196 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 22:31:44,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:45,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:45,307 INFO L93 Difference]: Finished difference Result 7778 states and 11469 transitions. [2022-11-25 22:31:45,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:45,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 137 [2022-11-25 22:31:45,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:45,356 INFO L225 Difference]: With dead ends: 7778 [2022-11-25 22:31:45,356 INFO L226 Difference]: Without dead ends: 4950 [2022-11-25 22:31:45,378 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 [2022-11-25 22:31:45,379 INFO L413 NwaCegarLoop]: 2524 mSDtfsCounter, 1615 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1615 SdHoareTripleChecker+Valid, 4442 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:45,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1615 Valid, 4442 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-25 22:31:45,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4950 states. [2022-11-25 22:31:45,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4950 to 4946. [2022-11-25 22:31:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4946 states, 2856 states have (on average 1.2899159663865547) internal successors, (3684), 2987 states have internal predecessors, (3684), 1784 states have call successors, (1784), 306 states have call predecessors, (1784), 305 states have return successors, (1797), 1732 states have call predecessors, (1797), 1784 states have call successors, (1797) [2022-11-25 22:31:45,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4946 states to 4946 states and 7265 transitions. [2022-11-25 22:31:45,746 INFO L78 Accepts]: Start accepts. Automaton has 4946 states and 7265 transitions. Word has length 137 [2022-11-25 22:31:45,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:45,747 INFO L495 AbstractCegarLoop]: Abstraction has 4946 states and 7265 transitions. [2022-11-25 22:31:45,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 22:31:45,747 INFO L276 IsEmpty]: Start isEmpty. Operand 4946 states and 7265 transitions. [2022-11-25 22:31:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-25 22:31:45,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:45,763 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:45,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:31:45,764 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:45,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:45,766 INFO L85 PathProgramCache]: Analyzing trace with hash 799546511, now seen corresponding path program 1 times [2022-11-25 22:31:45,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:45,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129574884] [2022-11-25 22:31:45,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:45,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:46,346 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-11-25 22:31:46,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:46,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129574884] [2022-11-25 22:31:46,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129574884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:46,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:46,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:46,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583844835] [2022-11-25 22:31:46,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:46,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:46,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:46,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:46,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:46,350 INFO L87 Difference]: Start difference. First operand 4946 states and 7265 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 22:31:49,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:50,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:50,886 INFO L93 Difference]: Finished difference Result 13093 states and 19124 transitions. [2022-11-25 22:31:50,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:50,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 192 [2022-11-25 22:31:50,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:50,965 INFO L225 Difference]: With dead ends: 13093 [2022-11-25 22:31:50,965 INFO L226 Difference]: Without dead ends: 8164 [2022-11-25 22:31:51,012 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 [2022-11-25 22:31:51,016 INFO L413 NwaCegarLoop]: 2450 mSDtfsCounter, 1951 mSDsluCounter, 1598 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 4048 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:51,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 4048 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 498 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-25 22:31:51,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8164 states. [2022-11-25 22:31:51,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8164 to 8142. [2022-11-25 22:31:51,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8142 states, 4735 states have (on average 1.2906019007391762) internal successors, (6111), 4944 states have internal predecessors, (6111), 2855 states have call successors, (2855), 568 states have call predecessors, (2855), 551 states have return successors, (2893), 2748 states have call predecessors, (2893), 2855 states have call successors, (2893) [2022-11-25 22:31:51,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8142 states to 8142 states and 11859 transitions. [2022-11-25 22:31:51,762 INFO L78 Accepts]: Start accepts. Automaton has 8142 states and 11859 transitions. Word has length 192 [2022-11-25 22:31:51,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:51,765 INFO L495 AbstractCegarLoop]: Abstraction has 8142 states and 11859 transitions. [2022-11-25 22:31:51,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 22:31:51,766 INFO L276 IsEmpty]: Start isEmpty. Operand 8142 states and 11859 transitions. [2022-11-25 22:31:51,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-25 22:31:51,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:51,780 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:51,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:31:51,781 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:51,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:51,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1486822896, now seen corresponding path program 1 times [2022-11-25 22:31:51,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:51,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516015047] [2022-11-25 22:31:51,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:51,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:52,071 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-25 22:31:52,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:52,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516015047] [2022-11-25 22:31:52,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516015047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:52,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:52,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:52,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322077351] [2022-11-25 22:31:52,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:52,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:52,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:52,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:52,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:52,078 INFO L87 Difference]: Start difference. First operand 8142 states and 11859 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-25 22:31:54,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:56,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:56,882 INFO L93 Difference]: Finished difference Result 22404 states and 32529 transitions. [2022-11-25 22:31:56,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:56,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 190 [2022-11-25 22:31:56,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:57,001 INFO L225 Difference]: With dead ends: 22404 [2022-11-25 22:31:57,001 INFO L226 Difference]: Without dead ends: 14279 [2022-11-25 22:31:57,062 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 [2022-11-25 22:31:57,065 INFO L413 NwaCegarLoop]: 2438 mSDtfsCounter, 1829 mSDsluCounter, 1899 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 4337 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:57,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1829 Valid, 4337 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 538 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-25 22:31:57,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14279 states. [2022-11-25 22:31:58,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14279 to 14275. [2022-11-25 22:31:58,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14275 states, 8328 states have (on average 1.2856628242074928) internal successors, (10707), 8693 states have internal predecessors, (10707), 4935 states have call successors, (4935), 1043 states have call predecessors, (4935), 1011 states have return successors, (5010), 4741 states have call predecessors, (5010), 4935 states have call successors, (5010) [2022-11-25 22:31:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14275 states to 14275 states and 20652 transitions. [2022-11-25 22:31:58,226 INFO L78 Accepts]: Start accepts. Automaton has 14275 states and 20652 transitions. Word has length 190 [2022-11-25 22:31:58,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:58,227 INFO L495 AbstractCegarLoop]: Abstraction has 14275 states and 20652 transitions. [2022-11-25 22:31:58,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-25 22:31:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 14275 states and 20652 transitions. [2022-11-25 22:31:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-25 22:31:58,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:58,236 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:58,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:31:58,237 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:58,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:58,237 INFO L85 PathProgramCache]: Analyzing trace with hash -716300875, now seen corresponding path program 1 times [2022-11-25 22:31:58,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:58,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009770726] [2022-11-25 22:31:58,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:58,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:58,582 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-11-25 22:31:58,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:58,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009770726] [2022-11-25 22:31:58,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009770726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:58,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:58,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:58,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037006053] [2022-11-25 22:31:58,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:58,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:58,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:58,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:58,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:58,587 INFO L87 Difference]: Start difference. First operand 14275 states and 20652 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-25 22:32:01,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:03,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:05,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:05,218 INFO L93 Difference]: Finished difference Result 34198 states and 49494 transitions. [2022-11-25 22:32:05,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:32:05,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 186 [2022-11-25 22:32:05,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:05,471 INFO L225 Difference]: With dead ends: 34198 [2022-11-25 22:32:05,471 INFO L226 Difference]: Without dead ends: 19940 [2022-11-25 22:32:05,554 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 [2022-11-25 22:32:05,557 INFO L413 NwaCegarLoop]: 3400 mSDtfsCounter, 1624 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 5310 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:05,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1624 Valid, 5310 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 725 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-25 22:32:05,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19940 states. [2022-11-25 22:32:07,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19940 to 19930. [2022-11-25 22:32:07,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19930 states, 11586 states have (on average 1.2790436733989297) internal successors, (14819), 12095 states have internal predecessors, (14819), 6922 states have call successors, (6922), 1461 states have call predecessors, (6922), 1421 states have return successors, (6997), 6662 states have call predecessors, (6997), 6922 states have call successors, (6997) [2022-11-25 22:32:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19930 states to 19930 states and 28738 transitions. [2022-11-25 22:32:07,319 INFO L78 Accepts]: Start accepts. Automaton has 19930 states and 28738 transitions. Word has length 186 [2022-11-25 22:32:07,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:07,321 INFO L495 AbstractCegarLoop]: Abstraction has 19930 states and 28738 transitions. [2022-11-25 22:32:07,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-25 22:32:07,321 INFO L276 IsEmpty]: Start isEmpty. Operand 19930 states and 28738 transitions. [2022-11-25 22:32:07,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-25 22:32:07,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:07,329 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:32:07,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:32:07,330 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:32:07,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:07,331 INFO L85 PathProgramCache]: Analyzing trace with hash 886486040, now seen corresponding path program 1 times [2022-11-25 22:32:07,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:07,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215198465] [2022-11-25 22:32:07,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:07,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-25 22:32:07,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:07,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215198465] [2022-11-25 22:32:07,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215198465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:07,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:07,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:32:07,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512799685] [2022-11-25 22:32:07,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:07,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:32:07,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:07,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:32:07,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:32:07,798 INFO L87 Difference]: Start difference. First operand 19930 states and 28738 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-25 22:32:11,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:13,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:13,406 INFO L93 Difference]: Finished difference Result 59720 states and 86104 transitions. [2022-11-25 22:32:13,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:32:13,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 210 [2022-11-25 22:32:13,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:13,656 INFO L225 Difference]: With dead ends: 59720 [2022-11-25 22:32:13,657 INFO L226 Difference]: Without dead ends: 39807 [2022-11-25 22:32:13,772 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 [2022-11-25 22:32:13,773 INFO L413 NwaCegarLoop]: 3100 mSDtfsCounter, 2164 mSDsluCounter, 1949 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 5049 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:13,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 5049 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-25 22:32:13,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39807 states. [2022-11-25 22:32:16,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39807 to 39757. [2022-11-25 22:32:16,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39757 states, 23102 states have (on average 1.2778114448965459) internal successors, (29520), 24156 states have internal predecessors, (29520), 13812 states have call successors, (13812), 2922 states have call predecessors, (13812), 2842 states have return successors, (13962), 13256 states have call predecessors, (13962), 13812 states have call successors, (13962) [2022-11-25 22:32:16,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39757 states to 39757 states and 57294 transitions. [2022-11-25 22:32:16,865 INFO L78 Accepts]: Start accepts. Automaton has 39757 states and 57294 transitions. Word has length 210 [2022-11-25 22:32:16,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:16,866 INFO L495 AbstractCegarLoop]: Abstraction has 39757 states and 57294 transitions. [2022-11-25 22:32:16,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-25 22:32:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 39757 states and 57294 transitions. [2022-11-25 22:32:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-25 22:32:16,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:16,880 INFO L195 NwaCegarLoop]: trace histogram [11, 8, 8, 8, 8, 8, 8, 4, 4, 3, 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] [2022-11-25 22:32:16,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:32:16,880 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:32:16,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:16,881 INFO L85 PathProgramCache]: Analyzing trace with hash 984474645, now seen corresponding path program 1 times [2022-11-25 22:32:16,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:16,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036855893] [2022-11-25 22:32:16,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:16,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:17,382 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-11-25 22:32:17,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:17,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036855893] [2022-11-25 22:32:17,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036855893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:17,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:17,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:32:17,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620315365] [2022-11-25 22:32:17,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:17,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:32:17,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:17,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:32:17,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:32:17,385 INFO L87 Difference]: Start difference. First operand 39757 states and 57294 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 22:32:19,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:21,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:23,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:23,597 INFO L93 Difference]: Finished difference Result 79847 states and 114827 transitions. [2022-11-25 22:32:23,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:32:23,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 225 [2022-11-25 22:32:23,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:23,899 INFO L225 Difference]: With dead ends: 79847 [2022-11-25 22:32:23,899 INFO L226 Difference]: Without dead ends: 40107 [2022-11-25 22:32:24,077 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 [2022-11-25 22:32:24,078 INFO L413 NwaCegarLoop]: 1947 mSDtfsCounter, 79 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 3866 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:24,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 3866 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-25 22:32:24,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40107 states. [2022-11-25 22:32:26,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40107 to 40107. [2022-11-25 22:32:26,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40107 states, 23323 states have (on average 1.2753933885006217) internal successors, (29746), 24377 states have internal predecessors, (29746), 13829 states have call successors, (13829), 3034 states have call predecessors, (13829), 2954 states have return successors, (13979), 13273 states have call predecessors, (13979), 13829 states have call successors, (13979) [2022-11-25 22:32:26,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40107 states to 40107 states and 57554 transitions. [2022-11-25 22:32:26,411 INFO L78 Accepts]: Start accepts. Automaton has 40107 states and 57554 transitions. Word has length 225 [2022-11-25 22:32:26,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:26,411 INFO L495 AbstractCegarLoop]: Abstraction has 40107 states and 57554 transitions. [2022-11-25 22:32:26,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 22:32:26,412 INFO L276 IsEmpty]: Start isEmpty. Operand 40107 states and 57554 transitions. [2022-11-25 22:32:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-25 22:32:26,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:26,432 INFO L195 NwaCegarLoop]: trace histogram [14, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:32:26,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 22:32:26,432 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:32:26,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:26,433 INFO L85 PathProgramCache]: Analyzing trace with hash 898668619, now seen corresponding path program 1 times [2022-11-25 22:32:26,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:26,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706880607] [2022-11-25 22:32:26,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:26,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:26,827 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2022-11-25 22:32:26,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:26,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706880607] [2022-11-25 22:32:26,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706880607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:26,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:26,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:32:26,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272441675] [2022-11-25 22:32:26,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:26,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:32:26,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:26,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:32:26,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:32:26,831 INFO L87 Difference]: Start difference. First operand 40107 states and 57554 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 22:32:34,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:34,902 INFO L93 Difference]: Finished difference Result 94143 states and 136965 transitions. [2022-11-25 22:32:34,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:32:34,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 248 [2022-11-25 22:32:34,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:35,321 INFO L225 Difference]: With dead ends: 94143 [2022-11-25 22:32:35,321 INFO L226 Difference]: Without dead ends: 54099 [2022-11-25 22:32:35,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:32:35,564 INFO L413 NwaCegarLoop]: 2505 mSDtfsCounter, 542 mSDsluCounter, 7062 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 9567 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:35,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 9567 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-25 22:32:35,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54099 states. [2022-11-25 22:32:37,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54099 to 40171. [2022-11-25 22:32:37,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40171 states, 23371 states have (on average 1.2748277780154893) internal successors, (29794), 24425 states have internal predecessors, (29794), 13829 states have call successors, (13829), 3034 states have call predecessors, (13829), 2970 states have return successors, (14011), 13289 states have call predecessors, (14011), 13829 states have call successors, (14011) [2022-11-25 22:32:38,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40171 states to 40171 states and 57634 transitions. [2022-11-25 22:32:38,489 INFO L78 Accepts]: Start accepts. Automaton has 40171 states and 57634 transitions. Word has length 248 [2022-11-25 22:32:38,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:38,494 INFO L495 AbstractCegarLoop]: Abstraction has 40171 states and 57634 transitions. [2022-11-25 22:32:38,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 22:32:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 40171 states and 57634 transitions. [2022-11-25 22:32:38,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-25 22:32:38,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:38,512 INFO L195 NwaCegarLoop]: trace histogram [14, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:32:38,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 22:32:38,512 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:32:38,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:38,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1828870645, now seen corresponding path program 1 times [2022-11-25 22:32:38,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:38,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309927432] [2022-11-25 22:32:38,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:38,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:42,862 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2022-11-25 22:32:42,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:42,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309927432] [2022-11-25 22:32:42,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309927432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:42,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:42,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 22:32:42,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73419204] [2022-11-25 22:32:42,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:42,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:32:42,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:42,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:32:42,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:32:42,867 INFO L87 Difference]: Start difference. First operand 40171 states and 57634 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 22:32:47,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:49,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:51,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:54,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:56,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:56,836 INFO L93 Difference]: Finished difference Result 45278 states and 64612 transitions. [2022-11-25 22:32:56,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:32:56,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 248 [2022-11-25 22:32:56,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:57,082 INFO L225 Difference]: With dead ends: 45278 [2022-11-25 22:32:57,082 INFO L226 Difference]: Without dead ends: 45276 [2022-11-25 22:32:57,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:32:57,117 INFO L413 NwaCegarLoop]: 2068 mSDtfsCounter, 504 mSDsluCounter, 7882 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 9950 SdHoareTripleChecker+Invalid, 1565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:57,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 9950 Invalid, 1565 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1560 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2022-11-25 22:32:57,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45276 states. [2022-11-25 22:32:59,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45276 to 45156. [2022-11-25 22:32:59,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45156 states, 26695 states have (on average 1.274658175688331) internal successors, (34027), 27883 states have internal predecessors, (34027), 15069 states have call successors, (15069), 3531 states have call predecessors, (15069), 3391 states have return successors, (15351), 14327 states have call predecessors, (15351), 15069 states have call successors, (15351) [2022-11-25 22:32:59,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45156 states to 45156 states and 64447 transitions. [2022-11-25 22:32:59,928 INFO L78 Accepts]: Start accepts. Automaton has 45156 states and 64447 transitions. Word has length 248 [2022-11-25 22:32:59,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:59,929 INFO L495 AbstractCegarLoop]: Abstraction has 45156 states and 64447 transitions. [2022-11-25 22:32:59,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 22:32:59,929 INFO L276 IsEmpty]: Start isEmpty. Operand 45156 states and 64447 transitions. [2022-11-25 22:32:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-25 22:32:59,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:59,961 INFO L195 NwaCegarLoop]: trace histogram [13, 8, 8, 8, 8, 8, 8, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:32:59,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 22:32:59,961 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:32:59,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:59,962 INFO L85 PathProgramCache]: Analyzing trace with hash -627326814, now seen corresponding path program 1 times [2022-11-25 22:32:59,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:59,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966662854] [2022-11-25 22:32:59,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:59,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:33:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:33:00,254 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-25 22:33:00,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:33:00,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966662854] [2022-11-25 22:33:00,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966662854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:33:00,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:33:00,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:33:00,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798940457] [2022-11-25 22:33:00,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:33:00,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:33:00,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:33:00,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:33:00,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:33:00,259 INFO L87 Difference]: Start difference. First operand 45156 states and 64447 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-25 22:33:04,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:33:06,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:33:06,788 INFO L93 Difference]: Finished difference Result 90234 states and 128800 transitions. [2022-11-25 22:33:06,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:33:06,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 258 [2022-11-25 22:33:06,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:33:06,959 INFO L225 Difference]: With dead ends: 90234 [2022-11-25 22:33:06,959 INFO L226 Difference]: Without dead ends: 45156 [2022-11-25 22:33:07,098 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 [2022-11-25 22:33:07,099 INFO L413 NwaCegarLoop]: 1950 mSDtfsCounter, 7 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3890 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:33:07,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3890 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 505 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-25 22:33:07,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45156 states. [2022-11-25 22:33:09,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45156 to 45156. [2022-11-25 22:33:09,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45156 states, 26695 states have (on average 1.2719610413935194) internal successors, (33955), 27883 states have internal predecessors, (33955), 15069 states have call successors, (15069), 3531 states have call predecessors, (15069), 3391 states have return successors, (15351), 14327 states have call predecessors, (15351), 15069 states have call successors, (15351) [2022-11-25 22:33:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45156 states to 45156 states and 64375 transitions. [2022-11-25 22:33:10,351 INFO L78 Accepts]: Start accepts. Automaton has 45156 states and 64375 transitions. Word has length 258 [2022-11-25 22:33:10,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:33:10,353 INFO L495 AbstractCegarLoop]: Abstraction has 45156 states and 64375 transitions. [2022-11-25 22:33:10,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-25 22:33:10,354 INFO L276 IsEmpty]: Start isEmpty. Operand 45156 states and 64375 transitions. [2022-11-25 22:33:10,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-25 22:33:10,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:33:10,381 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 8, 8, 8, 8, 8, 8, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:33:10,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 22:33:10,382 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:33:10,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:33:10,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1554373132, now seen corresponding path program 1 times [2022-11-25 22:33:10,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:33:10,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656065027] [2022-11-25 22:33:10,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:33:10,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:33:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:33:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 521 trivial. 0 not checked. [2022-11-25 22:33:10,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:33:10,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656065027] [2022-11-25 22:33:10,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656065027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:33:10,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:33:10,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:33:10,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143210062] [2022-11-25 22:33:10,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:33:10,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:33:10,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:33:10,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:33:10,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:33:10,766 INFO L87 Difference]: Start difference. First operand 45156 states and 64375 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-25 22:33:14,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:33:17,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:33:17,197 INFO L93 Difference]: Finished difference Result 86192 states and 123880 transitions. [2022-11-25 22:33:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:33:17,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 292 [2022-11-25 22:33:17,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:33:17,451 INFO L225 Difference]: With dead ends: 86192 [2022-11-25 22:33:17,451 INFO L226 Difference]: Without dead ends: 46084 [2022-11-25 22:33:17,923 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 [2022-11-25 22:33:17,924 INFO L413 NwaCegarLoop]: 1958 mSDtfsCounter, 19 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 3902 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:33:17,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 3902 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 517 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-25 22:33:17,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46084 states. [2022-11-25 22:33:20,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46084 to 45220. [2022-11-25 22:33:20,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45220 states, 26759 states have (on average 1.2713105870921932) internal successors, (34019), 27947 states have internal predecessors, (34019), 15069 states have call successors, (15069), 3531 states have call predecessors, (15069), 3391 states have return successors, (15351), 14327 states have call predecessors, (15351), 15069 states have call successors, (15351) [2022-11-25 22:33:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45220 states to 45220 states and 64439 transitions. [2022-11-25 22:33:21,149 INFO L78 Accepts]: Start accepts. Automaton has 45220 states and 64439 transitions. Word has length 292 [2022-11-25 22:33:21,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:33:21,150 INFO L495 AbstractCegarLoop]: Abstraction has 45220 states and 64439 transitions. [2022-11-25 22:33:21,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-25 22:33:21,151 INFO L276 IsEmpty]: Start isEmpty. Operand 45220 states and 64439 transitions. [2022-11-25 22:33:21,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-11-25 22:33:21,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:33:21,178 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 10, 8, 8, 8, 8, 8, 8, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:33:21,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 22:33:21,178 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:33:21,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:33:21,179 INFO L85 PathProgramCache]: Analyzing trace with hash 832976787, now seen corresponding path program 1 times [2022-11-25 22:33:21,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:33:21,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142951009] [2022-11-25 22:33:21,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:33:21,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:33:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:33:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2022-11-25 22:33:21,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:33:21,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142951009] [2022-11-25 22:33:21,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142951009] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:33:21,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214816806] [2022-11-25 22:33:21,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:33:21,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:33:21,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:33:21,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:33:21,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d17f87-542b-4e32-8ad1-128b65eb304e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:33:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:33:23,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 3342 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 22:33:23,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:33:23,412 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2022-11-25 22:33:23,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:33:23,729 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2022-11-25 22:33:23,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214816806] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:33:23,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [299996689] [2022-11-25 22:33:23,761 INFO L159 IcfgInterpreter]: Started Sifa with 175 locations of interest [2022-11-25 22:33:23,761 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:33:23,766 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:33:23,771 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:33:23,772 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs