./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:57:49,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:57:49,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:57:49,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:57:49,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:57:49,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:57:49,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:57:49,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:57:49,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:57:49,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:57:49,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:57:49,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:57:49,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:57:49,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:57:49,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:57:49,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:57:49,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:57:49,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:57:49,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:57:49,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:57:49,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:57:49,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:57:49,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:57:49,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:57:49,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:57:49,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:57:49,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:57:49,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:57:49,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:57:49,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:57:49,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:57:49,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:57:49,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:57:49,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:57:49,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:57:49,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:57:49,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:57:49,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:57:49,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:57:49,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:57:49,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:57:49,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:57:49,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:57:49,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:57:49,229 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:57:49,229 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:57:49,230 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:57:49,230 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:57:49,230 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:57:49,230 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:57:49,230 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:57:49,230 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:57:49,230 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:57:49,231 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:57:49,231 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:57:49,231 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:57:49,231 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:57:49,231 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:57:49,231 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:57:49,231 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:57:49,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:57:49,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:57:49,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:57:49,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:57:49,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:57:49,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:57:49,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:57:49,233 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:57:49,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:57:49,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:57:49,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:57:49,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:57:49,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:57:49,234 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:57:49,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:57:49,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:57:49,234 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:57:49,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:57:49,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:57:49,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:57:49,235 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_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce [2022-12-14 09:57:49,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:57:49,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:57:49,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:57:49,466 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:57:49,467 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:57:49,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2022-12-14 09:57:52,077 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:57:52,390 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:57:52,390 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2022-12-14 09:57:52,413 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/data/00366541b/3fc92c7af8744b3d961df597e9c2b300/FLAG36dcdc6a9 [2022-12-14 09:57:52,428 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/data/00366541b/3fc92c7af8744b3d961df597e9c2b300 [2022-12-14 09:57:52,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:57:52,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:57:52,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:57:52,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:57:52,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:57:52,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:57:52" (1/1) ... [2022-12-14 09:57:52,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e81870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:52, skipping insertion in model container [2022-12-14 09:57:52,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:57:52" (1/1) ... [2022-12-14 09:57:52,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:57:52,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:57:53,027 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 09:57:53,036 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 09:57:53,046 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 09:57:53,055 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 09:57:53,064 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:57:53,240 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 09:57:53,244 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 09:57:53,244 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 09:57:53,249 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 09:57:53,307 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 09:57:53,363 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 09:57:53,375 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 09:57:53,416 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 09:57:53,439 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 09:57:53,480 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,480 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:57:53,490 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,494 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 09:57:53,510 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 09:57:53,518 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 09:57:53,520 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 09:57:53,524 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,525 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,529 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 09:57:53,530 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,533 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,534 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,534 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:57:53,534 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:57:53,535 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:57:53,535 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:57:53,536 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,543 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,543 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 09:57:53,544 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,545 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,546 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,548 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,549 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,554 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 09:57:53,555 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,555 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,555 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,559 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,560 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,560 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,560 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,561 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,561 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,561 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,561 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,562 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,562 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,562 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,562 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,563 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,563 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,563 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,564 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,564 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,564 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,564 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,565 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,565 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,565 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,574 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 09:57:53,575 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,576 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,580 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,580 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,589 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,589 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,590 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,593 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,594 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,595 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,595 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,595 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,596 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,596 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,596 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,600 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,601 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,601 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,602 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,602 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,603 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,603 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,603 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,604 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,604 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,604 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,605 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,605 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,606 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,606 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,606 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,607 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,627 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:57:53,627 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 09:57:53,628 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:57:53,632 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:57:53,636 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:57:53,637 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 09:57:53,637 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:57:53,641 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:57:53,646 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,647 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,652 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:57:53,652 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 09:57:53,653 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:57:53,653 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,653 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,658 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,662 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,664 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,665 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,675 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,676 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,677 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 09:57:53,677 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 09:57:53,677 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,678 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,678 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,678 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,679 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,679 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 09:57:53,679 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 09:57:53,683 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,683 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 09:57:53,683 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,688 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,696 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,696 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:57:53,697 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,697 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,705 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,706 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,706 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,706 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,707 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,707 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,708 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,712 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:57:53,712 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-14 09:57:53,712 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:57:53,719 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:57:53,719 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-14 09:57:53,720 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:57:53,723 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:57:53,723 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-14 09:57:53,723 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:57:53,726 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:57:53,726 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-14 09:57:53,727 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:57:53,730 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 09:57:53,730 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:57:53,731 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:57:53,734 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 09:57:53,734 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:57:53,735 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 09:57:53,735 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:57:53,736 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 09:57:53,736 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:57:53,736 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:57:53,737 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 09:57:53,737 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 09:57:53,738 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:57:53,738 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 09:57:53,739 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 09:57:53,739 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 09:57:53,740 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,740 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 09:57:53,740 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:57:53,740 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:57:53,768 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:57:53,769 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 09:57:53,769 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 09:57:53,770 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 09:57:53,771 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 09:57:53,771 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 09:57:53,771 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 09:57:53,772 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-12-14 09:57:53,772 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-12-14 09:57:53,773 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 09:57:53,774 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 09:57:53,775 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 09:57:53,775 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 09:57:53,776 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 09:57:53,776 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 09:57:53,776 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 09:57:53,779 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 09:57:53,779 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 09:57:53,779 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 09:57:53,779 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 09:57:53,780 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 09:57:53,780 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 09:57:53,780 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 09:57:53,781 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 09:57:53,784 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_c7f75df9-43b4-415d-933d-1757351f51a4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2022-12-14 09:57:53,803 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 09:57:53,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:57:53,846 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:57:53,917 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 09:57:53,918 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 09:57:53,918 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 09:57:53,918 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 09:57:53,918 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:57:53,922 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 09:57:53,923 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 09:57:53,923 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 09:57:53,924 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 09:57:53,925 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 09:57:53,926 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 09:57:53,927 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 09:57:53,928 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 09:57:53,929 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 09:57:53,930 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,930 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:57:53,931 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,931 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 09:57:53,933 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 09:57:53,935 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 09:57:53,936 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 09:57:53,937 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,938 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,938 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 09:57:53,939 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,939 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,939 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,939 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:57:53,939 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:57:53,940 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:57:53,940 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:57:53,940 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,941 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,941 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 09:57:53,942 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,943 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,943 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,944 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,945 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,946 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 09:57:53,946 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,947 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,947 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,947 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,948 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,948 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,948 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,948 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,948 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,948 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,949 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,949 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,949 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 09:57:53,949 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,949 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,949 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,949 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,950 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,950 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,950 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,950 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,950 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,950 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,951 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,951 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,953 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 09:57:53,953 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,954 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,955 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,955 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,957 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,957 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,957 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,958 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,958 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,958 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,958 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,959 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,959 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,959 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,959 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,960 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,961 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,961 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,961 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,961 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,961 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,962 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,962 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,962 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,962 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,963 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,963 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,963 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,963 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,963 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,964 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,964 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,968 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:57:53,968 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 09:57:53,968 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:57:53,969 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:57:53,970 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:57:53,970 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 09:57:53,970 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:57:53,971 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:57:53,973 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,973 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,975 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 09:57:53,975 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 09:57:53,975 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 09:57:53,975 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,975 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,977 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,978 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,990 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,990 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,992 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,992 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,993 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 09:57:53,993 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 09:57:53,993 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,993 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,994 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:53,994 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 09:57:53,994 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,994 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 09:57:53,995 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 09:57:53,995 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,995 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 09:57:53,995 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,997 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 09:57:53,999 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:53,999 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 09:57:53,999 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:53,999 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:54,008 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 09:57:54,008 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:54,009 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:54,009 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:54,009 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:54,009 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:54,010 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 09:57:54,010 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:57:54,010 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-14 09:57:54,011 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:57:54,012 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:57:54,012 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-14 09:57:54,012 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:57:54,012 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:57:54,012 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-14 09:57:54,012 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:57:54,013 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:57:54,013 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-14 09:57:54,013 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:57:54,013 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 09:57:54,014 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:57:54,014 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:57:54,015 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 09:57:54,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:57:54,015 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 09:57:54,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:57:54,016 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 09:57:54,016 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:57:54,016 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:57:54,017 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 09:57:54,017 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 09:57:54,018 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:57:54,018 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 09:57:54,018 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 09:57:54,019 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 09:57:54,019 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 09:57:54,019 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 09:57:54,019 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:57:54,020 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:57:54,024 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:57:54,025 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 09:57:54,025 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 09:57:54,025 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 09:57:54,026 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 09:57:54,026 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 09:57:54,027 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 09:57:54,027 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_4 [2022-12-14 09:57:54,027 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_4 [2022-12-14 09:57:54,028 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_3 [2022-12-14 09:57:54,029 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 09:57:54,029 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 09:57:54,030 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 09:57:54,030 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 09:57:54,030 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 09:57:54,030 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 09:57:54,032 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 09:57:54,032 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 09:57:54,032 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 09:57:54,033 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 09:57:54,033 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 09:57:54,033 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 09:57:54,033 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 09:57:54,033 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 09:57:54,034 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_c7f75df9-43b4-415d-933d-1757351f51a4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2022-12-14 09:57:54,035 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 09:57:54,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:57:54,120 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:57:54,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:54 WrapperNode [2022-12-14 09:57:54,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:57:54,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:57:54,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:57:54,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:57:54,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:54" (1/1) ... [2022-12-14 09:57:54,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:54" (1/1) ... [2022-12-14 09:57:54,254 INFO L138 Inliner]: procedures = 262, calls = 1355, calls flagged for inlining = 121, calls inlined = 116, statements flattened = 3438 [2022-12-14 09:57:54,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:57:54,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:57:54,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:57:54,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:57:54,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:54" (1/1) ... [2022-12-14 09:57:54,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:54" (1/1) ... [2022-12-14 09:57:54,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:54" (1/1) ... [2022-12-14 09:57:54,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:54" (1/1) ... [2022-12-14 09:57:54,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:54" (1/1) ... [2022-12-14 09:57:54,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:54" (1/1) ... [2022-12-14 09:57:54,360 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:54" (1/1) ... [2022-12-14 09:57:54,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:54" (1/1) ... [2022-12-14 09:57:54,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:57:54,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:57:54,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:57:54,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:57:54,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:54" (1/1) ... [2022-12-14 09:57:54,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:57:54,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:57:54,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:57:54,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:57:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2022-12-14 09:57:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2022-12-14 09:57:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-12-14 09:57:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-12-14 09:57:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 09:57:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 09:57:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 09:57:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 09:57:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2022-12-14 09:57:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2022-12-14 09:57:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 09:57:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 09:57:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 09:57:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 09:57:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2022-12-14 09:57:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2022-12-14 09:57:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 09:57:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 09:57:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-14 09:57:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-14 09:57:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 09:57:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 09:57:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 09:57:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 09:57:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2022-12-14 09:57:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2022-12-14 09:57:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 09:57:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 09:57:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 09:57:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 09:57:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-12-14 09:57:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-12-14 09:57:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-14 09:57:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-14 09:57:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-12-14 09:57:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-12-14 09:57:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 09:57:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 09:57:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-12-14 09:57:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-12-14 09:57:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2022-12-14 09:57:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2022-12-14 09:57:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-12-14 09:57:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-12-14 09:57:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 09:57:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 09:57:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-12-14 09:57:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-12-14 09:57:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 09:57:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 09:57:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 09:57:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 09:57:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2022-12-14 09:57:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2022-12-14 09:57:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2022-12-14 09:57:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2022-12-14 09:57:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2022-12-14 09:57:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2022-12-14 09:57:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:57:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 09:57:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 09:57:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-12-14 09:57:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-12-14 09:57:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-12-14 09:57:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-12-14 09:57:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:57:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-14 09:57:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-14 09:57:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 09:57:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 09:57:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-12-14 09:57:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-12-14 09:57:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-12-14 09:57:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-12-14 09:57:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2022-12-14 09:57:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2022-12-14 09:57:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 09:57:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 09:57:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2022-12-14 09:57:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2022-12-14 09:57:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:57:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:57:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2022-12-14 09:57:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2022-12-14 09:57:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 09:57:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 09:57:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 09:57:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 09:57:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 09:57:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 09:57:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 09:57:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-12-14 09:57:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-12-14 09:57:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 09:57:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 09:57:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2022-12-14 09:57:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2022-12-14 09:57:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2022-12-14 09:57:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2022-12-14 09:57:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2022-12-14 09:57:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2022-12-14 09:57:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 09:57:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2022-12-14 09:57:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2022-12-14 09:57:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-14 09:57:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-14 09:57:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:57:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 09:57:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 09:57:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 09:57:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 09:57:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 09:57:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 09:57:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 09:57:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 09:57:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 09:57:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 09:57:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-12-14 09:57:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-12-14 09:57:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 09:57:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 09:57:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:57:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 09:57:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 09:57:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-12-14 09:57:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-12-14 09:57:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-12-14 09:57:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-12-14 09:57:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 09:57:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 09:57:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2022-12-14 09:57:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2022-12-14 09:57:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 09:57:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 09:57:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2022-12-14 09:57:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2022-12-14 09:57:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:57:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2022-12-14 09:57:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2022-12-14 09:57:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 09:57:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 09:57:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2022-12-14 09:57:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2022-12-14 09:57:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:57:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 09:57:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 09:57:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:57:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-14 09:57:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-14 09:57:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-12-14 09:57:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-12-14 09:57:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2022-12-14 09:57:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2022-12-14 09:57:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-12-14 09:57:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-12-14 09:57:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2022-12-14 09:57:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2022-12-14 09:57:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-14 09:57:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-14 09:57:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 09:57:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 09:57:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2022-12-14 09:57:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2022-12-14 09:57:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-12-14 09:57:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-12-14 09:57:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2022-12-14 09:57:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2022-12-14 09:57:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-12-14 09:57:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-12-14 09:57:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2022-12-14 09:57:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2022-12-14 09:57:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 09:57:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 09:57:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:57:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2022-12-14 09:57:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2022-12-14 09:57:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2022-12-14 09:57:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2022-12-14 09:57:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-12-14 09:57:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-12-14 09:57:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:57:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:57:54,914 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:57:54,916 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:57:55,792 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 09:57:57,866 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:57:58,635 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:57:58,635 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 09:57:58,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:57:58 BoogieIcfgContainer [2022-12-14 09:57:58,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:57:58,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:57:58,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:57:58,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:57:58,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:57:52" (1/3) ... [2022-12-14 09:57:58,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4191319b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:57:58, skipping insertion in model container [2022-12-14 09:57:58,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:54" (2/3) ... [2022-12-14 09:57:58,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4191319b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:57:58, skipping insertion in model container [2022-12-14 09:57:58,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:57:58" (3/3) ... [2022-12-14 09:57:58,644 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2022-12-14 09:57:58,659 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:57:58,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:57:58,709 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:57:58,713 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;@7d4a035e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:57:58,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:57:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 1110 states, 664 states have (on average 1.3132530120481927) internal successors, (872), 697 states have internal predecessors, (872), 364 states have call successors, (364), 83 states have call predecessors, (364), 82 states have return successors, (356), 356 states have call predecessors, (356), 356 states have call successors, (356) [2022-12-14 09:57:58,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 09:57:58,733 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:57:58,734 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 09:57:58,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:57:58,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:57:58,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1486196262, now seen corresponding path program 1 times [2022-12-14 09:57:58,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:57:58,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282889678] [2022-12-14 09:57:58,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:57:58,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:57:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:57:59,281 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 09:57:59,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:57:59,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282889678] [2022-12-14 09:57:59,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282889678] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:57:59,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:57:59,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:57:59,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710072803] [2022-12-14 09:57:59,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:57:59,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:57:59,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:57:59,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:57:59,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:57:59,315 INFO L87 Difference]: Start difference. First operand has 1110 states, 664 states have (on average 1.3132530120481927) internal successors, (872), 697 states have internal predecessors, (872), 364 states have call successors, (364), 83 states have call predecessors, (364), 82 states have return successors, (356), 356 states have call predecessors, (356), 356 states have call successors, (356) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-14 09:58:01,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:03,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:05,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:06,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:58:06,557 INFO L93 Difference]: Finished difference Result 3253 states and 4730 transitions. [2022-12-14 09:58:06,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:58:06,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 94 [2022-12-14 09:58:06,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:58:06,578 INFO L225 Difference]: With dead ends: 3253 [2022-12-14 09:58:06,579 INFO L226 Difference]: Without dead ends: 2133 [2022-12-14 09:58:06,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:58:06,590 INFO L413 NwaCegarLoop]: 1808 mSDtfsCounter, 1503 mSDsluCounter, 5008 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 6816 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:58:06,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1507 Valid, 6816 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 678 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-12-14 09:58:06,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2022-12-14 09:58:06,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2123. [2022-12-14 09:58:06,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1277 states have (on average 1.297572435395458) internal successors, (1657), 1322 states have internal predecessors, (1657), 685 states have call successors, (685), 162 states have call predecessors, (685), 160 states have return successors, (686), 681 states have call predecessors, (686), 684 states have call successors, (686) [2022-12-14 09:58:06,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3028 transitions. [2022-12-14 09:58:06,718 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3028 transitions. Word has length 94 [2022-12-14 09:58:06,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:58:06,719 INFO L495 AbstractCegarLoop]: Abstraction has 2123 states and 3028 transitions. [2022-12-14 09:58:06,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-14 09:58:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3028 transitions. [2022-12-14 09:58:06,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 09:58:06,722 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:58:06,723 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 09:58:06,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:58:06,723 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:58:06,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:58:06,723 INFO L85 PathProgramCache]: Analyzing trace with hash 187173789, now seen corresponding path program 1 times [2022-12-14 09:58:06,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:58:06,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375584877] [2022-12-14 09:58:06,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:58:06,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:58:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:58:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 09:58:06,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:58:06,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375584877] [2022-12-14 09:58:06,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375584877] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:58:06,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:58:06,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:58:06,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920928276] [2022-12-14 09:58:06,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:58:06,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:58:06,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:58:06,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:58:06,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:58:06,966 INFO L87 Difference]: Start difference. First operand 2123 states and 3028 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-14 09:58:10,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:11,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:13,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:58:13,002 INFO L93 Difference]: Finished difference Result 5281 states and 7532 transitions. [2022-12-14 09:58:13,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:58:13,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 93 [2022-12-14 09:58:13,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:58:13,025 INFO L225 Difference]: With dead ends: 5281 [2022-12-14 09:58:13,025 INFO L226 Difference]: Without dead ends: 3174 [2022-12-14 09:58:13,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:58:13,037 INFO L413 NwaCegarLoop]: 1780 mSDtfsCounter, 1482 mSDsluCounter, 4932 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 6712 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:58:13,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1486 Valid, 6712 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 09:58:13,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2022-12-14 09:58:13,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 3151. [2022-12-14 09:58:13,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3151 states, 1896 states have (on average 1.2990506329113924) internal successors, (2463), 1967 states have internal predecessors, (2463), 1015 states have call successors, (1015), 242 states have call predecessors, (1015), 239 states have return successors, (1018), 1005 states have call predecessors, (1018), 1014 states have call successors, (1018) [2022-12-14 09:58:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 3151 states and 4496 transitions. [2022-12-14 09:58:13,165 INFO L78 Accepts]: Start accepts. Automaton has 3151 states and 4496 transitions. Word has length 93 [2022-12-14 09:58:13,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:58:13,165 INFO L495 AbstractCegarLoop]: Abstraction has 3151 states and 4496 transitions. [2022-12-14 09:58:13,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-14 09:58:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 3151 states and 4496 transitions. [2022-12-14 09:58:13,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 09:58:13,170 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:58:13,171 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 09:58:13,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:58:13,171 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:58:13,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:58:13,172 INFO L85 PathProgramCache]: Analyzing trace with hash 249003994, now seen corresponding path program 1 times [2022-12-14 09:58:13,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:58:13,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686730910] [2022-12-14 09:58:13,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:58:13,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:58:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:58:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 09:58:13,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:58:13,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686730910] [2022-12-14 09:58:13,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686730910] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:58:13,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:58:13,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:58:13,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217655430] [2022-12-14 09:58:13,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:58:13,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:58:13,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:58:13,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:58:13,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:58:13,465 INFO L87 Difference]: Start difference. First operand 3151 states and 4496 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-14 09:58:16,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:17,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:19,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:58:19,125 INFO L93 Difference]: Finished difference Result 5789 states and 8235 transitions. [2022-12-14 09:58:19,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:58:19,126 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 95 [2022-12-14 09:58:19,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:58:19,143 INFO L225 Difference]: With dead ends: 5789 [2022-12-14 09:58:19,143 INFO L226 Difference]: Without dead ends: 3174 [2022-12-14 09:58:19,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:58:19,152 INFO L413 NwaCegarLoop]: 1777 mSDtfsCounter, 1477 mSDsluCounter, 4924 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1481 SdHoareTripleChecker+Valid, 6701 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:58:19,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1481 Valid, 6701 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 09:58:19,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2022-12-14 09:58:19,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 3155. [2022-12-14 09:58:19,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3155 states, 1900 states have (on average 1.298421052631579) internal successors, (2467), 1970 states have internal predecessors, (2467), 1014 states have call successors, (1014), 243 states have call predecessors, (1014), 240 states have return successors, (1017), 1005 states have call predecessors, (1017), 1013 states have call successors, (1017) [2022-12-14 09:58:19,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 4498 transitions. [2022-12-14 09:58:19,265 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 4498 transitions. Word has length 95 [2022-12-14 09:58:19,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:58:19,265 INFO L495 AbstractCegarLoop]: Abstraction has 3155 states and 4498 transitions. [2022-12-14 09:58:19,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-14 09:58:19,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 4498 transitions. [2022-12-14 09:58:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 09:58:19,267 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:58:19,267 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 09:58:19,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:58:19,268 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:58:19,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:58:19,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1993533379, now seen corresponding path program 1 times [2022-12-14 09:58:19,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:58:19,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668578585] [2022-12-14 09:58:19,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:58:19,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:58:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:58:19,482 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 09:58:19,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:58:19,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668578585] [2022-12-14 09:58:19,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668578585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:58:19,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:58:19,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:58:19,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148338067] [2022-12-14 09:58:19,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:58:19,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:58:19,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:58:19,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:58:19,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:58:19,485 INFO L87 Difference]: Start difference. First operand 3155 states and 4498 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-14 09:58:22,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:24,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:26,283 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 [] [2022-12-14 09:58:27,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:58:27,015 INFO L93 Difference]: Finished difference Result 5517 states and 7819 transitions. [2022-12-14 09:58:27,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:58:27,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 96 [2022-12-14 09:58:27,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:58:27,026 INFO L225 Difference]: With dead ends: 5517 [2022-12-14 09:58:27,026 INFO L226 Difference]: Without dead ends: 2897 [2022-12-14 09:58:27,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:58:27,045 INFO L413 NwaCegarLoop]: 1788 mSDtfsCounter, 1475 mSDsluCounter, 4946 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 6734 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:58:27,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 6734 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 675 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-12-14 09:58:27,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2022-12-14 09:58:27,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2881. [2022-12-14 09:58:27,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 1725 states have (on average 1.2910144927536231) internal successors, (2227), 1782 states have internal predecessors, (2227), 926 states have call successors, (926), 232 states have call predecessors, (926), 229 states have return successors, (929), 918 states have call predecessors, (929), 925 states have call successors, (929) [2022-12-14 09:58:27,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 4082 transitions. [2022-12-14 09:58:27,133 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 4082 transitions. Word has length 96 [2022-12-14 09:58:27,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:58:27,134 INFO L495 AbstractCegarLoop]: Abstraction has 2881 states and 4082 transitions. [2022-12-14 09:58:27,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-14 09:58:27,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 4082 transitions. [2022-12-14 09:58:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-14 09:58:27,137 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:58:27,137 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:58:27,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:58:27,137 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:58:27,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:58:27,137 INFO L85 PathProgramCache]: Analyzing trace with hash -248669691, now seen corresponding path program 1 times [2022-12-14 09:58:27,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:58:27,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689927110] [2022-12-14 09:58:27,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:58:27,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:58:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:58:27,464 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-14 09:58:27,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:58:27,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689927110] [2022-12-14 09:58:27,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689927110] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:58:27,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939626105] [2022-12-14 09:58:27,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:58:27,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:58:27,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:58:27,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:58:27,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:58:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:58:28,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 2125 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 09:58:28,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:58:28,126 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 09:58:28,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:58:28,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939626105] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:58:28,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:58:28,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-12-14 09:58:28,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013855448] [2022-12-14 09:58:28,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:58:28,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 09:58:28,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:58:28,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 09:58:28,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-14 09:58:28,129 INFO L87 Difference]: Start difference. First operand 2881 states and 4082 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:58:31,790 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 [] [2022-12-14 09:58:33,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:35,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:38,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:58:38,417 INFO L93 Difference]: Finished difference Result 6824 states and 9673 transitions. [2022-12-14 09:58:38,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 09:58:38,418 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 106 [2022-12-14 09:58:38,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:58:38,435 INFO L225 Difference]: With dead ends: 6824 [2022-12-14 09:58:38,435 INFO L226 Difference]: Without dead ends: 4707 [2022-12-14 09:58:38,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-12-14 09:58:38,441 INFO L413 NwaCegarLoop]: 2071 mSDtfsCounter, 1509 mSDsluCounter, 9663 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 11734 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:58:38,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 11734 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1231 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-12-14 09:58:38,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4707 states. [2022-12-14 09:58:38,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4707 to 4674. [2022-12-14 09:58:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4674 states, 2798 states have (on average 1.2912794853466762) internal successors, (3613), 2894 states have internal predecessors, (3613), 1498 states have call successors, (1498), 380 states have call predecessors, (1498), 377 states have return successors, (1510), 1481 states have call predecessors, (1510), 1497 states have call successors, (1510) [2022-12-14 09:58:38,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4674 states to 4674 states and 6621 transitions. [2022-12-14 09:58:38,603 INFO L78 Accepts]: Start accepts. Automaton has 4674 states and 6621 transitions. Word has length 106 [2022-12-14 09:58:38,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:58:38,603 INFO L495 AbstractCegarLoop]: Abstraction has 4674 states and 6621 transitions. [2022-12-14 09:58:38,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:58:38,604 INFO L276 IsEmpty]: Start isEmpty. Operand 4674 states and 6621 transitions. [2022-12-14 09:58:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-14 09:58:38,607 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:58:38,607 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 09:58:38,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:58:38,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:58:38,809 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:58:38,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:58:38,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1912500151, now seen corresponding path program 1 times [2022-12-14 09:58:38,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:58:38,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992515019] [2022-12-14 09:58:38,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:58:38,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:58:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:58:39,227 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 09:58:39,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:58:39,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992515019] [2022-12-14 09:58:39,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992515019] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:58:39,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849103080] [2022-12-14 09:58:39,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:58:39,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:58:39,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:58:39,229 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:58:39,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:58:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:58:39,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 2127 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 09:58:39,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:58:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 09:58:39,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:58:39,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849103080] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:58:39,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:58:39,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-12-14 09:58:39,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728731303] [2022-12-14 09:58:39,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:58:39,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 09:58:39,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:58:39,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 09:58:39,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 09:58:39,894 INFO L87 Difference]: Start difference. First operand 4674 states and 6621 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:58:42,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:44,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:46,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:48,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:51,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:58:51,429 INFO L93 Difference]: Finished difference Result 10421 states and 14761 transitions. [2022-12-14 09:58:51,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 09:58:51,430 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2022-12-14 09:58:51,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:58:51,462 INFO L225 Difference]: With dead ends: 10421 [2022-12-14 09:58:51,462 INFO L226 Difference]: Without dead ends: 6511 [2022-12-14 09:58:51,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-12-14 09:58:51,475 INFO L413 NwaCegarLoop]: 2083 mSDtfsCounter, 1509 mSDsluCounter, 9699 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 11782 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:58:51,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 11782 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1243 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2022-12-14 09:58:51,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6511 states. [2022-12-14 09:58:51,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6511 to 6472. [2022-12-14 09:58:51,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6472 states, 3874 states have (on average 1.2911719153329893) internal successors, (5002), 4012 states have internal predecessors, (5002), 2070 states have call successors, (2070), 528 states have call predecessors, (2070), 527 states have return successors, (2094), 2043 states have call predecessors, (2094), 2069 states have call successors, (2094) [2022-12-14 09:58:51,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6472 states to 6472 states and 9166 transitions. [2022-12-14 09:58:51,760 INFO L78 Accepts]: Start accepts. Automaton has 6472 states and 9166 transitions. Word has length 107 [2022-12-14 09:58:51,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:58:51,761 INFO L495 AbstractCegarLoop]: Abstraction has 6472 states and 9166 transitions. [2022-12-14 09:58:51,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:58:51,761 INFO L276 IsEmpty]: Start isEmpty. Operand 6472 states and 9166 transitions. [2022-12-14 09:58:51,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 09:58:51,767 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:58:51,767 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 09:58:51,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 09:58:51,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:58:51,968 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:58:51,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:58:51,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1658317794, now seen corresponding path program 1 times [2022-12-14 09:58:51,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:58:51,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723190325] [2022-12-14 09:58:51,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:58:51,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:58:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:58:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 09:58:52,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:58:52,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723190325] [2022-12-14 09:58:52,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723190325] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:58:52,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481530403] [2022-12-14 09:58:52,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:58:52,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:58:52,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:58:52,363 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:58:52,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 09:58:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:58:52,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 2129 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 09:58:52,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:58:52,909 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 09:58:52,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:58:52,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481530403] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:58:52,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:58:52,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-12-14 09:58:52,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288744027] [2022-12-14 09:58:52,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:58:52,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 09:58:52,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:58:52,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 09:58:52,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 09:58:52,911 INFO L87 Difference]: Start difference. First operand 6472 states and 9166 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:58:56,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:58:58,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:59:00,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:59:01,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:59:02,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:59:02,760 INFO L93 Difference]: Finished difference Result 14015 states and 19847 transitions. [2022-12-14 09:59:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 09:59:02,760 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 108 [2022-12-14 09:59:02,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:59:02,786 INFO L225 Difference]: With dead ends: 14015 [2022-12-14 09:59:02,786 INFO L226 Difference]: Without dead ends: 8307 [2022-12-14 09:59:02,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-12-14 09:59:02,804 INFO L413 NwaCegarLoop]: 2083 mSDtfsCounter, 1509 mSDsluCounter, 9699 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 11782 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:59:02,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 11782 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-12-14 09:59:02,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8307 states. [2022-12-14 09:59:03,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8307 to 6473. [2022-12-14 09:59:03,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6473 states, 3875 states have (on average 1.2910967741935484) internal successors, (5003), 4012 states have internal predecessors, (5003), 2070 states have call successors, (2070), 528 states have call predecessors, (2070), 527 states have return successors, (2094), 2044 states have call predecessors, (2094), 2069 states have call successors, (2094) [2022-12-14 09:59:03,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 6473 states and 9167 transitions. [2022-12-14 09:59:03,031 INFO L78 Accepts]: Start accepts. Automaton has 6473 states and 9167 transitions. Word has length 108 [2022-12-14 09:59:03,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:59:03,031 INFO L495 AbstractCegarLoop]: Abstraction has 6473 states and 9167 transitions. [2022-12-14 09:59:03,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:59:03,031 INFO L276 IsEmpty]: Start isEmpty. Operand 6473 states and 9167 transitions. [2022-12-14 09:59:03,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 09:59:03,037 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:59:03,046 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 09:59:03,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 09:59:03,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:59:03,247 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:59:03,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:59:03,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1762836592, now seen corresponding path program 1 times [2022-12-14 09:59:03,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:59:03,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947435355] [2022-12-14 09:59:03,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:59:03,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:59:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:59:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 09:59:03,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:59:03,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947435355] [2022-12-14 09:59:03,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947435355] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:59:03,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029285698] [2022-12-14 09:59:03,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:59:03,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:59:03,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:59:03,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:59:03,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:59:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:59:04,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 09:59:04,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:59:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 09:59:04,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:59:04,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029285698] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:59:04,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:59:04,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-12-14 09:59:04,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248304924] [2022-12-14 09:59:04,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:59:04,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 09:59:04,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:59:04,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 09:59:04,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 09:59:04,291 INFO L87 Difference]: Start difference. First operand 6473 states and 9167 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:59:08,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:59:10,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:59:12,825 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 [] [2022-12-14 09:59:14,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:59:14,544 INFO L93 Difference]: Finished difference Result 14018 states and 19850 transitions. [2022-12-14 09:59:14,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 09:59:14,545 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2022-12-14 09:59:14,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:59:14,574 INFO L225 Difference]: With dead ends: 14018 [2022-12-14 09:59:14,574 INFO L226 Difference]: Without dead ends: 8309 [2022-12-14 09:59:14,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-12-14 09:59:14,592 INFO L413 NwaCegarLoop]: 2083 mSDtfsCounter, 1509 mSDsluCounter, 9699 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 11782 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:59:14,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 11782 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1241 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2022-12-14 09:59:14,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8309 states. [2022-12-14 09:59:14,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8309 to 6474. [2022-12-14 09:59:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6474 states, 3876 states have (on average 1.2910216718266254) internal successors, (5004), 4012 states have internal predecessors, (5004), 2070 states have call successors, (2070), 528 states have call predecessors, (2070), 527 states have return successors, (2094), 2045 states have call predecessors, (2094), 2069 states have call successors, (2094) [2022-12-14 09:59:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6474 states to 6474 states and 9168 transitions. [2022-12-14 09:59:14,890 INFO L78 Accepts]: Start accepts. Automaton has 6474 states and 9168 transitions. Word has length 109 [2022-12-14 09:59:14,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:59:14,890 INFO L495 AbstractCegarLoop]: Abstraction has 6474 states and 9168 transitions. [2022-12-14 09:59:14,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:59:14,890 INFO L276 IsEmpty]: Start isEmpty. Operand 6474 states and 9168 transitions. [2022-12-14 09:59:14,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 09:59:14,899 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:59:14,899 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 09:59:14,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 09:59:15,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-14 09:59:15,100 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:59:15,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:59:15,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1699030630, now seen corresponding path program 1 times [2022-12-14 09:59:15,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:59:15,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145354062] [2022-12-14 09:59:15,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:59:15,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:59:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:59:15,327 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-12-14 09:59:15,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:59:15,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145354062] [2022-12-14 09:59:15,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145354062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:59:15,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:59:15,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:59:15,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604963810] [2022-12-14 09:59:15,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:59:15,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:59:15,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:59:15,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:59:15,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:59:15,330 INFO L87 Difference]: Start difference. First operand 6474 states and 9168 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 09:59:16,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:59:16,363 INFO L93 Difference]: Finished difference Result 7745 states and 10784 transitions. [2022-12-14 09:59:16,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:59:16,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 123 [2022-12-14 09:59:16,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:59:16,395 INFO L225 Difference]: With dead ends: 7745 [2022-12-14 09:59:16,395 INFO L226 Difference]: Without dead ends: 7742 [2022-12-14 09:59:16,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:59:16,400 INFO L413 NwaCegarLoop]: 1573 mSDtfsCounter, 1136 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 2209 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:59:16,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1136 Valid, 2209 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 09:59:16,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7742 states. [2022-12-14 09:59:16,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7742 to 7742. [2022-12-14 09:59:16,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7742 states, 4501 states have (on average 1.2626083092646079) internal successors, (5683), 4641 states have internal predecessors, (5683), 2534 states have call successors, (2534), 707 states have call predecessors, (2534), 706 states have return successors, (2558), 2509 states have call predecessors, (2558), 2533 states have call successors, (2558) [2022-12-14 09:59:16,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7742 states to 7742 states and 10775 transitions. [2022-12-14 09:59:16,634 INFO L78 Accepts]: Start accepts. Automaton has 7742 states and 10775 transitions. Word has length 123 [2022-12-14 09:59:16,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:59:16,634 INFO L495 AbstractCegarLoop]: Abstraction has 7742 states and 10775 transitions. [2022-12-14 09:59:16,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 09:59:16,635 INFO L276 IsEmpty]: Start isEmpty. Operand 7742 states and 10775 transitions. [2022-12-14 09:59:16,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 09:59:16,651 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:59:16,651 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 09:59:16,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 09:59:16,652 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:59:16,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:59:16,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1284883788, now seen corresponding path program 1 times [2022-12-14 09:59:16,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:59:16,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957527076] [2022-12-14 09:59:16,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:59:16,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:59:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:59:16,827 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-14 09:59:16,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:59:16,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957527076] [2022-12-14 09:59:16,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957527076] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:59:16,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:59:16,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:59:16,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008213586] [2022-12-14 09:59:16,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:59:16,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:59:16,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:59:16,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:59:16,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:59:16,829 INFO L87 Difference]: Start difference. First operand 7742 states and 10775 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 09:59:19,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:59:19,169 INFO L93 Difference]: Finished difference Result 21028 states and 29181 transitions. [2022-12-14 09:59:19,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:59:19,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 144 [2022-12-14 09:59:19,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:59:19,204 INFO L225 Difference]: With dead ends: 21028 [2022-12-14 09:59:19,204 INFO L226 Difference]: Without dead ends: 13302 [2022-12-14 09:59:19,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:59:19,219 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 1188 mSDsluCounter, 1299 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 2962 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:59:19,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 2962 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-14 09:59:19,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13302 states. [2022-12-14 09:59:19,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13302 to 13285. [2022-12-14 09:59:19,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13285 states, 7742 states have (on average 1.2603978300180831) internal successors, (9758), 8002 states have internal predecessors, (9758), 4305 states have call successors, (4305), 1232 states have call predecessors, (4305), 1237 states have return successors, (4342), 4260 states have call predecessors, (4342), 4304 states have call successors, (4342) [2022-12-14 09:59:19,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13285 states to 13285 states and 18405 transitions. [2022-12-14 09:59:19,599 INFO L78 Accepts]: Start accepts. Automaton has 13285 states and 18405 transitions. Word has length 144 [2022-12-14 09:59:19,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:59:19,599 INFO L495 AbstractCegarLoop]: Abstraction has 13285 states and 18405 transitions. [2022-12-14 09:59:19,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 09:59:19,599 INFO L276 IsEmpty]: Start isEmpty. Operand 13285 states and 18405 transitions. [2022-12-14 09:59:19,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 09:59:19,603 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:59:19,603 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:59:19,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 09:59:19,603 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:59:19,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:59:19,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1639308593, now seen corresponding path program 1 times [2022-12-14 09:59:19,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:59:19,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604819634] [2022-12-14 09:59:19,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:59:19,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:59:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:59:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 09:59:19,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:59:19,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604819634] [2022-12-14 09:59:19,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604819634] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:59:19,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984234950] [2022-12-14 09:59:19,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:59:19,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:59:19,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:59:19,892 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:59:19,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f75df9-43b4-415d-933d-1757351f51a4/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 09:59:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:59:20,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 2360 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 09:59:20,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:59:20,566 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-12-14 09:59:20,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:59:20,787 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-12-14 09:59:20,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984234950] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:59:20,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1095459906] [2022-12-14 09:59:20,809 INFO L159 IcfgInterpreter]: Started Sifa with 89 locations of interest [2022-12-14 09:59:20,809 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:59:20,813 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:59:20,818 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:59:20,818 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:59:22,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:22,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:24,505 INFO L321 Elim1Store]: treesize reduction 1114, result has 31.7 percent of original size [2022-12-14 09:59:24,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 47 select indices, 47 select index equivalence classes, 1085 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 47 case distinctions, treesize of input 245 treesize of output 667 [2022-12-14 09:59:25,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:25,319 INFO L217 Elim1Store]: Index analysis took 158 ms [2022-12-14 09:59:28,967 INFO L321 Elim1Store]: treesize reduction 1770, result has 25.4 percent of original size [2022-12-14 09:59:28,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 50 select indices, 50 select index equivalence classes, 1132 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 141 case distinctions, treesize of input 264 treesize of output 773 [2022-12-14 09:59:29,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 09:59:29,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 09:59:29,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 09:59:29,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 09:59:30,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 09:59:30,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 09:59:30,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 09:59:34,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:59:34,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:59:34,191 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-12-14 09:59:36,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 50 select indices, 50 select index equivalence classes, 1225 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 151 [2022-12-14 09:59:36,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:36,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 126 select indices, 126 select index equivalence classes, 1228 disjoint index pairs (out of 7875 index pairs), introduced 126 new quantified variables, introduced 0 case distinctions, treesize of input 1025 treesize of output 379 [2022-12-14 09:59:37,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:37,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:37,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 49 select indices, 49 select index equivalence classes, 1178 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 148 [2022-12-14 09:59:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 126 select indices, 126 select index equivalence classes, 1228 disjoint index pairs (out of 7875 index pairs), introduced 126 new quantified variables, introduced 0 case distinctions, treesize of input 1025 treesize of output 379 [2022-12-14 09:59:42,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:42,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 50 select indices, 50 select index equivalence classes, 1225 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 151 [2022-12-14 09:59:43,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:43,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:59:43,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 49 select indices, 49 select index equivalence classes, 1178 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 148 [2022-12-14 10:00:12,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 10:00:13,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 10:00:13,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 10:00:13,917 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:00:13,937 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:00:13,942 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:00:37,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 10:00:37,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 10:00:38,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 10:00:38,907 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:00:38,919 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:00:38,931 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:01:06,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 10:01:06,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 10:01:06,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 10:01:07,596 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:01:07,603 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:01:07,630 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:01:36,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 10:01:36,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 10:01:36,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 10:01:37,672 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:01:37,699 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:01:37,701 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:02:09,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 10:02:09,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 10:02:09,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 10:02:10,405 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:02:10,414 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:02:10,418 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:02:39,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 10:02:39,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 10:02:39,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 10:02:40,564 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:02:40,572 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:02:40,576 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 10:05:54,161 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 1302 for LOIs [2022-12-14 10:05:57,124 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 2063 for LOIs [2022-12-14 10:06:03,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 10:06:05,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 10:06:11,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,312 INFO L217 Elim1Store]: Index analysis took 122 ms [2022-12-14 10:06:11,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 1228 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 400 [2022-12-14 10:06:11,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:11,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:12,214 INFO L321 Elim1Store]: treesize reduction 162, result has 33.6 percent of original size [2022-12-14 10:06:12,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1266 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 18 case distinctions, treesize of input 262 treesize of output 445 [2022-12-14 10:06:24,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:24,851 INFO L217 Elim1Store]: Index analysis took 126 ms [2022-12-14 10:06:25,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 1228 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 400 [2022-12-14 10:06:25,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:25,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:26,164 INFO L321 Elim1Store]: treesize reduction 432, result has 33.4 percent of original size [2022-12-14 10:06:26,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1251 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 48 case distinctions, treesize of input 262 treesize of output 505 [2022-12-14 10:06:39,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:39,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 49 select indices, 49 select index equivalence classes, 1228 disjoint index pairs (out of 1176 index pairs), introduced 49 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 400 [2022-12-14 10:06:40,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:40,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:40,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:40,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:40,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:40,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:40,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:40,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:40,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:40,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:40,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 10:06:41,017 INFO L321 Elim1Store]: treesize reduction 720, result has 33.4 percent of original size [2022-12-14 10:06:41,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 51 select indices, 51 select index equivalence classes, 1235 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 80 case distinctions, treesize of input 262 treesize of output 569 [2022-12-14 10:06:43,045 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 2155 for LOIs [2022-12-14 10:06:49,541 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 148 for LOIs [2022-12-14 10:06:49,568 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 10:07:21,650 WARN L233 SmtUtils]: Spent 31.52s on a formula simplification. DAG size of input: 1918 DAG size of output: 1754 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:07:56,835 WARN L233 SmtUtils]: Spent 34.41s on a formula simplification. DAG size of input: 2063 DAG size of output: 1929 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:08:35,564 WARN L233 SmtUtils]: Spent 37.81s on a formula simplification. DAG size of input: 2081 DAG size of output: 1948 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:09:10,039 WARN L233 SmtUtils]: Spent 33.47s on a formula simplification. DAG size of input: 2155 DAG size of output: 1942 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:09:48,079 WARN L233 SmtUtils]: Spent 36.91s on a formula simplification. DAG size of input: 2157 DAG size of output: 1944 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:10:22,828 WARN L233 SmtUtils]: Spent 30.83s on a formula simplification. DAG size of input: 1502 DAG size of output: 1370 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:10:58,068 WARN L233 SmtUtils]: Spent 34.12s on a formula simplification. DAG size of input: 1506 DAG size of output: 1399 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:11:28,460 WARN L233 SmtUtils]: Spent 29.20s on a formula simplification. DAG size of input: 1523 DAG size of output: 1369 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 10:12:00,784 WARN L233 SmtUtils]: Spent 31.08s on a formula simplification. DAG size of input: 1527 DAG size of output: 1382 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)