./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 9bd2c7ff 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_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.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_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:28,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:28,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:48:28,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:28,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:28,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:28,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:28,508 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:28,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:28,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:28,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:28,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:28,516 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:28,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:28,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:28,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:48:28,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:28,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:28,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:28,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:28,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:28,521 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:28,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:28,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:28,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:28,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:28,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:28,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:28,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:28,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:48:28,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:48:28,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:28,527 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:28,527 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:28,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:28,527 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:28,527 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce [2023-11-19 07:48:28,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:28,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:28,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:28,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:28,874 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:28,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 07:48:31,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:32,647 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:32,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/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 [2023-11-19 07:48:32,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu/data/07b18c2e6/6ae4dd61661e4697a97cbfccb8a3a7be/FLAGe43f0ef7d [2023-11-19 07:48:32,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu/data/07b18c2e6/6ae4dd61661e4697a97cbfccb8a3a7be [2023-11-19 07:48:32,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:32,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:32,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:32,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:32,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:32,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:32" (1/1) ... [2023-11-19 07:48:32,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4834fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:32, skipping insertion in model container [2023-11-19 07:48:32,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:32" (1/1) ... [2023-11-19 07:48:32,959 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:34,999 WARN L240 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_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/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] [2023-11-19 07:48:35,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:35,129 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:35,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5577] [2023-11-19 07:48:35,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5584] [2023-11-19 07:48:35,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5925-5926] [2023-11-19 07:48:35,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5954-5955] [2023-11-19 07:48:35,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7805] [2023-11-19 07:48:35,580 WARN L240 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_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/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] [2023-11-19 07:48:35,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:35,795 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:35,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35 WrapperNode [2023-11-19 07:48:35,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:35,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:35,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:35,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:35,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:35,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,163 INFO L138 Inliner]: procedures = 262, calls = 1371, calls flagged for inlining = 122, calls inlined = 117, statements flattened = 4033 [2023-11-19 07:48:36,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:36,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:36,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:36,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:36,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:36,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:36,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:36,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:36,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:36,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:36,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:36,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6f8f5ef-1ad2-4e33-be9b-8cdb48de4276/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2023-11-19 07:48:36,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2023-11-19 07:48:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-19 07:48:36,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-19 07:48:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:48:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:48:36,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 07:48:36,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 07:48:36,566 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2023-11-19 07:48:36,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2023-11-19 07:48:36,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:48:36,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:48:36,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:48:36,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:48:36,567 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2023-11-19 07:48:36,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2023-11-19 07:48:36,567 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:48:36,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:48:36,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:48:36,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:48:36,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:48:36,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:48:36,569 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 07:48:36,569 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 07:48:36,569 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2023-11-19 07:48:36,569 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2023-11-19 07:48:36,569 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:48:36,570 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:48:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:48:36,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:48:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-19 07:48:36,570 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-19 07:48:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 07:48:36,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 07:48:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-19 07:48:36,571 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-19 07:48:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:48:36,571 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:48:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-19 07:48:36,571 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-19 07:48:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2023-11-19 07:48:36,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2023-11-19 07:48:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-19 07:48:36,572 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-19 07:48:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:48:36,572 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:48:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 07:48:36,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 07:48:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:48:36,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:48:36,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 07:48:36,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 07:48:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2023-11-19 07:48:36,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2023-11-19 07:48:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2023-11-19 07:48:36,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2023-11-19 07:48:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-11-19 07:48:36,573 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-11-19 07:48:36,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:48:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 07:48:36,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 07:48:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-19 07:48:36,574 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-19 07:48:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2023-11-19 07:48:36,574 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2023-11-19 07:48:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:48:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 07:48:36,575 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 07:48:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 07:48:36,575 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 07:48:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-19 07:48:36,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-19 07:48:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:48:36,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:48:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2023-11-19 07:48:36,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2023-11-19 07:48:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 07:48:36,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 07:48:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2023-11-19 07:48:36,576 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2023-11-19 07:48:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:48:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:48:36,576 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:48:36,576 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:48:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2023-11-19 07:48:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2023-11-19 07:48:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:48:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:48:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:48:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:48:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:48:36,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:48:36,577 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 07:48:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 07:48:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:48:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 07:48:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 07:48:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:48:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:48:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2023-11-19 07:48:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2023-11-19 07:48:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2023-11-19 07:48:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2023-11-19 07:48:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2023-11-19 07:48:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2023-11-19 07:48:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:48:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2023-11-19 07:48:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2023-11-19 07:48:36,579 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 07:48:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 07:48:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:48:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:48:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:48:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:48:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:48:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:48:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:48:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:48:36,581 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:48:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:48:36,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:48:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-19 07:48:36,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-19 07:48:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 07:48:36,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 07:48:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:48:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 07:48:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 07:48:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 07:48:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 07:48:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-19 07:48:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-19 07:48:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:48:36,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:48:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2023-11-19 07:48:36,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2023-11-19 07:48:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:48:36,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:48:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2023-11-19 07:48:36,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2023-11-19 07:48:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:48:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2023-11-19 07:48:36,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2023-11-19 07:48:36,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:48:36,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:48:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2023-11-19 07:48:36,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2023-11-19 07:48:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:48:36,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:48:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:48:36,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:48:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:48:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-19 07:48:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-19 07:48:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2023-11-19 07:48:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2023-11-19 07:48:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-19 07:48:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-19 07:48:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2023-11-19 07:48:36,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2023-11-19 07:48:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 07:48:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 07:48:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 07:48:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 07:48:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2023-11-19 07:48:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2023-11-19 07:48:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-19 07:48:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-19 07:48:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2023-11-19 07:48:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2023-11-19 07:48:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-11-19 07:48:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-11-19 07:48:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2023-11-19 07:48:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2023-11-19 07:48:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:48:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:48:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:48:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2023-11-19 07:48:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2023-11-19 07:48:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2023-11-19 07:48:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2023-11-19 07:48:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 07:48:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 07:48:36,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:37,354 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:37,358 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:38,588 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:48:44,189 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:44,222 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:44,223 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:48:44,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:44 BoogieIcfgContainer [2023-11-19 07:48:44,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:44,243 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:44,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:44,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:44,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:32" (1/3) ... [2023-11-19 07:48:44,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57fdfe80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:44, skipping insertion in model container [2023-11-19 07:48:44,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (2/3) ... [2023-11-19 07:48:44,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57fdfe80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:44, skipping insertion in model container [2023-11-19 07:48:44,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:44" (3/3) ... [2023-11-19 07:48:44,253 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2023-11-19 07:48:44,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:44,276 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:48:44,392 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:48:44,401 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@55cecde4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:48:44,401 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:48:44,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 1684 states, 1221 states have (on average 1.3988533988533989) internal successors, (1708), 1256 states have internal predecessors, (1708), 379 states have call successors, (379), 85 states have call predecessors, (379), 84 states have return successors, (371), 369 states have call predecessors, (371), 371 states have call successors, (371) [2023-11-19 07:48:44,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-19 07:48:44,448 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:44,449 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:44,450 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:44,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:44,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1747974606, now seen corresponding path program 1 times [2023-11-19 07:48:44,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:44,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939748720] [2023-11-19 07:48:44,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:44,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:48:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:48:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:48:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:48:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-19 07:48:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-19 07:48:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-19 07:48:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 07:48:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,528 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-19 07:48:45,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:45,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939748720] [2023-11-19 07:48:45,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939748720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:45,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:45,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:48:45,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795477775] [2023-11-19 07:48:45,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:45,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:48:45,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:45,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:48:45,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:48:45,576 INFO L87 Difference]: Start difference. First operand has 1684 states, 1221 states have (on average 1.3988533988533989) internal successors, (1708), 1256 states have internal predecessors, (1708), 379 states have call successors, (379), 85 states have call predecessors, (379), 84 states have return successors, (371), 369 states have call predecessors, (371), 371 states have call successors, (371) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 07:48:54,070 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 [] [2023-11-19 07:48:57,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:48:58,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:58,390 INFO L93 Difference]: Finished difference Result 3659 states and 5481 transitions. [2023-11-19 07:48:58,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:48:58,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 121 [2023-11-19 07:48:58,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:58,439 INFO L225 Difference]: With dead ends: 3659 [2023-11-19 07:48:58,439 INFO L226 Difference]: Without dead ends: 1959 [2023-11-19 07:48:58,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:48:58,468 INFO L413 NwaCegarLoop]: 1785 mSDtfsCounter, 1503 mSDsluCounter, 3114 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 1108 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 4899 SdHoareTripleChecker+Invalid, 3278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1108 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:58,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1507 Valid, 4899 Invalid, 3278 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1108 Valid, 2169 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2023-11-19 07:48:58,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2023-11-19 07:48:58,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1657. [2023-11-19 07:48:58,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1657 states, 1204 states have (on average 1.3654485049833887) internal successors, (1644), 1228 states have internal predecessors, (1644), 369 states have call successors, (369), 84 states have call predecessors, (369), 83 states have return successors, (368), 366 states have call predecessors, (368), 368 states have call successors, (368) [2023-11-19 07:48:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 2381 transitions. [2023-11-19 07:48:58,805 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 2381 transitions. Word has length 121 [2023-11-19 07:48:58,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:58,807 INFO L495 AbstractCegarLoop]: Abstraction has 1657 states and 2381 transitions. [2023-11-19 07:48:58,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 07:48:58,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2381 transitions. [2023-11-19 07:48:58,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 07:48:58,827 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:58,828 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:58,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:48:58,830 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:58,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:58,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1919495375, now seen corresponding path program 1 times [2023-11-19 07:48:58,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:58,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202256728] [2023-11-19 07:48:58,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:58,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:48:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:48:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:48:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:48:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-19 07:48:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:48:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-19 07:48:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-19 07:48:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-19 07:48:59,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:59,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202256728] [2023-11-19 07:48:59,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202256728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:59,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:59,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 07:48:59,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395642840] [2023-11-19 07:48:59,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:59,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:48:59,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:59,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:48:59,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:48:59,788 INFO L87 Difference]: Start difference. First operand 1657 states and 2381 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-19 07:49:09,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:49:11,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:49:17,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:49:18,289 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 []