./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--packetengines--hamachi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 375c8b791fa06d541fb014bd5076ab9979e5fb4b76e2515aaac1f292cd2a1d79 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:20:20,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:20:20,335 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:20:20,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:20:20,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:20:20,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:20:20,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:20:20,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:20:20,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:20:20,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:20:20,386 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:20:20,388 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:20:20,388 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:20:20,393 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:20:20,394 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:20:20,395 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:20:20,396 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:20:20,397 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:20:20,398 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:20:20,398 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:20:20,400 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:20:20,401 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:20:20,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:20:20,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:20:20,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:20:20,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:20:20,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:20:20,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:20:20,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:20:20,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:20:20,407 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:20:20,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:20:20,407 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:20:20,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:20:20,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:20,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:20:20,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:20:20,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:20:20,409 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:20:20,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:20:20,410 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:20:20,411 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:20:20,411 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:20:20,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:20:20,412 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 375c8b791fa06d541fb014bd5076ab9979e5fb4b76e2515aaac1f292cd2a1d79 [2023-11-24 23:20:20,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:20:20,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:20:20,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:20:20,806 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:20:20,807 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:20:20,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2023-11-24 23:20:23,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:20:24,559 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:20:24,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2023-11-24 23:20:24,620 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91/data/2dfb1b55b/c8d690dbba574232a2cf124c85db36ce/FLAG50a5a164c [2023-11-24 23:20:24,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91/data/2dfb1b55b/c8d690dbba574232a2cf124c85db36ce [2023-11-24 23:20:24,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:20:24,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:20:24,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:24,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:20:24,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:20:24,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:24" (1/1) ... [2023-11-24 23:20:24,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfaba86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:24, skipping insertion in model container [2023-11-24 23:20:24,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:24" (1/1) ... [2023-11-24 23:20:24,791 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:20:26,695 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_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i[258653,258666] [2023-11-24 23:20:26,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:26,918 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:20:27,121 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"); [5574] [2023-11-24 23:20:27,123 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)); [5581] [2023-11-24 23:20:27,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5752] [2023-11-24 23:20:27,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5760] [2023-11-24 23:20:27,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5768] [2023-11-24 23:20:27,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5775] [2023-11-24 23:20:27,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5782] [2023-11-24 23:20:27,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5789] [2023-11-24 23:20:27,147 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)); [5980-5981] [2023-11-24 23:20:27,152 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)); [6009-6010] [2023-11-24 23:20:27,154 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" (108), "i" (12UL)); [6039-6040] [2023-11-24 23:20:27,156 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" (120), "i" (12UL)); [6069-6070] [2023-11-24 23:20:27,373 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_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i[258653,258666] [2023-11-24 23:20:27,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:27,636 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:20:27,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:27 WrapperNode [2023-11-24 23:20:27,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:27,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:27,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:20:27,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:20:27,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:27" (1/1) ... [2023-11-24 23:20:27,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:27" (1/1) ... [2023-11-24 23:20:27,977 INFO L138 Inliner]: procedures = 226, calls = 1496, calls flagged for inlining = 121, calls inlined = 118, statements flattened = 4378 [2023-11-24 23:20:27,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:27,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:20:27,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:20:27,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:20:27,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:27" (1/1) ... [2023-11-24 23:20:27,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:27" (1/1) ... [2023-11-24 23:20:28,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:27" (1/1) ... [2023-11-24 23:20:28,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:27" (1/1) ... [2023-11-24 23:20:28,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:27" (1/1) ... [2023-11-24 23:20:28,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:27" (1/1) ... [2023-11-24 23:20:28,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:27" (1/1) ... [2023-11-24 23:20:28,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:27" (1/1) ... [2023-11-24 23:20:28,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:20:28,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:20:28,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:20:28,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:20:28,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:27" (1/1) ... [2023-11-24 23:20:28,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:28,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:20:28,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:20:28,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96ba15a3-6ef4-4a9c-93b5-0519dcf7dadb/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:20:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_drvinfo [2023-11-24 23:20:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_drvinfo [2023-11-24 23:20:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2023-11-24 23:20:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2023-11-24 23:20:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:20:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:20:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-24 23:20:28,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-24 23:20:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:20:28,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:20:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:20:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:20:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-24 23:20:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-24 23:20:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:20:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:20:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-24 23:20:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-24 23:20:28,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:20:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:20:28,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-11-24 23:20:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-11-24 23:20:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-24 23:20:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-24 23:20:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-24 23:20:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-24 23:20:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:20:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:20:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:20:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:20:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:20:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:20:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:20:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:20:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-24 23:20:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-24 23:20:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:20:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:20:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:20:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:20:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:20:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-24 23:20:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-24 23:20:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:20:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-24 23:20:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-24 23:20:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:20:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:20:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:20:28,398 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:20:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-24 23:20:28,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-24 23:20:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-24 23:20:28,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-24 23:20:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:20:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-24 23:20:28,399 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-24 23:20:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:20:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:20:28,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:20:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-24 23:20:28,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-24 23:20:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-24 23:20:28,400 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-24 23:20:28,400 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:20:28,400 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:20:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:20:28,401 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:20:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:20:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:20:28,401 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:20:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:20:28,401 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-24 23:20:28,402 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-24 23:20:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:20:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-24 23:20:28,402 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-24 23:20:28,402 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:20:28,402 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:20:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:20:28,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:20:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_ioctl [2023-11-24 23:20:28,403 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_ioctl [2023-11-24 23:20:28,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-24 23:20:28,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-24 23:20:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-24 23:20:28,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-24 23:20:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:20:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-24 23:20:28,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-24 23:20:28,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:20:28,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:20:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-24 23:20:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-24 23:20:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:20:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-24 23:20:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-24 23:20:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:20:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:20:28,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:20:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:20:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-24 23:20:28,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-24 23:20:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_stats [2023-11-24 23:20:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_stats [2023-11-24 23:20:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-24 23:20:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-24 23:20:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-24 23:20:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-24 23:20:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx_timeout [2023-11-24 23:20:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx_timeout [2023-11-24 23:20:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:20:28,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:20:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-24 23:20:28,408 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-24 23:20:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-24 23:20:28,408 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-24 23:20:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-24 23:20:28,409 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-24 23:20:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-24 23:20:28,409 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-24 23:20:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:20:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-24 23:20:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-24 23:20:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-24 23:20:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-24 23:20:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-24 23:20:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-24 23:20:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-24 23:20:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-24 23:20:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:20:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:20:29,061 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:20:29,068 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:20:30,257 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:20:32,691 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:20:34,479 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:20:34,480 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:20:34,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:34 BoogieIcfgContainer [2023-11-24 23:20:34,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:20:34,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:20:34,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:20:34,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:20:34,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:20:24" (1/3) ... [2023-11-24 23:20:34,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fb5c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:34, skipping insertion in model container [2023-11-24 23:20:34,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:27" (2/3) ... [2023-11-24 23:20:34,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fb5c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:34, skipping insertion in model container [2023-11-24 23:20:34,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:34" (3/3) ... [2023-11-24 23:20:34,503 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--packetengines--hamachi.ko-entry_point.cil.out.i [2023-11-24 23:20:34,529 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:20:34,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:20:34,633 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:20:34,640 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=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;@374172e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:20:34,641 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:20:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 970 states, 590 states have (on average 1.347457627118644) internal successors, (795), 618 states have internal predecessors, (795), 321 states have call successors, (321), 58 states have call predecessors, (321), 57 states have return successors, (313), 303 states have call predecessors, (313), 313 states have call successors, (313) [2023-11-24 23:20:34,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-24 23:20:34,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:34,700 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2023-11-24 23:20:34,701 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:20:34,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:34,710 INFO L85 PathProgramCache]: Analyzing trace with hash -179597940, now seen corresponding path program 1 times [2023-11-24 23:20:34,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:34,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971610063] [2023-11-24 23:20:34,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:34,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:20:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:35,825 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-24 23:20:35,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:20:35,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971610063] [2023-11-24 23:20:35,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971610063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:35,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:35,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:20:35,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643674845] [2023-11-24 23:20:35,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:35,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:20:35,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:20:35,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:20:35,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:20:35,875 INFO L87 Difference]: Start difference. First operand has 970 states, 590 states have (on average 1.347457627118644) internal successors, (795), 618 states have internal predecessors, (795), 321 states have call successors, (321), 58 states have call predecessors, (321), 57 states have return successors, (313), 303 states have call predecessors, (313), 313 states have call successors, (313) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-24 23:20:38,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:40,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:43,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:45,508 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 [] [2023-11-24 23:20:45,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:45,618 INFO L93 Difference]: Finished difference Result 2463 states and 3611 transitions. [2023-11-24 23:20:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:20:45,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2023-11-24 23:20:45,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:45,665 INFO L225 Difference]: With dead ends: 2463 [2023-11-24 23:20:45,665 INFO L226 Difference]: Without dead ends: 1485 [2023-11-24 23:20:45,681 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 [2023-11-24 23:20:45,686 INFO L413 NwaCegarLoop]: 1265 mSDtfsCounter, 789 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:45,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 2429 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 383 Invalid, 4 Unknown, 0 Unchecked, 9.4s Time] [2023-11-24 23:20:45,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2023-11-24 23:20:45,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1480. [2023-11-24 23:20:45,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1480 states, 920 states have (on average 1.317391304347826) internal successors, (1212), 947 states have internal predecessors, (1212), 459 states have call successors, (459), 101 states have call predecessors, (459), 100 states have return successors, (458), 444 states have call predecessors, (458), 458 states have call successors, (458) [2023-11-24 23:20:45,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 2129 transitions. [2023-11-24 23:20:45,923 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 2129 transitions. Word has length 120 [2023-11-24 23:20:45,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:20:45,927 INFO L495 AbstractCegarLoop]: Abstraction has 1480 states and 2129 transitions. [2023-11-24 23:20:45,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-24 23:20:45,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2129 transitions. [2023-11-24 23:20:45,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-24 23:20:45,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:45,941 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2023-11-24 23:20:45,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:20:45,942 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:20:45,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:45,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1231157391, now seen corresponding path program 1 times [2023-11-24 23:20:45,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:45,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132033721] [2023-11-24 23:20:45,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:45,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:20:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:46,860 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-24 23:20:46,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:20:46,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132033721] [2023-11-24 23:20:46,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132033721] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:46,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:46,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:20:46,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845292737] [2023-11-24 23:20:46,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:46,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:20:46,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:20:46,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:20:46,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:20:46,870 INFO L87 Difference]: Start difference. First operand 1480 states and 2129 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-24 23:20:49,681 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 [] [2023-11-24 23:20:51,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:53,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:57,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:20:59,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:01,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:03,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:03,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:21:03,451 INFO L93 Difference]: Finished difference Result 4334 states and 6223 transitions. [2023-11-24 23:21:03,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 23:21:03,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 137 [2023-11-24 23:21:03,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:21:03,478 INFO L225 Difference]: With dead ends: 4334 [2023-11-24 23:21:03,478 INFO L226 Difference]: Without dead ends: 2878 [2023-11-24 23:21:03,486 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 [2023-11-24 23:21:03,487 INFO L413 NwaCegarLoop]: 1239 mSDtfsCounter, 1246 mSDsluCounter, 3677 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 4916 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:21:03,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 4916 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 650 Invalid, 7 Unknown, 0 Unchecked, 16.3s Time] [2023-11-24 23:21:03,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2878 states. [2023-11-24 23:21:03,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2878 to 2862. [2023-11-24 23:21:03,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2862 states, 1796 states have (on average 1.3173719376391981) internal successors, (2366), 1846 states have internal predecessors, (2366), 866 states have call successors, (866), 200 states have call predecessors, (866), 199 states have return successors, (865), 840 states have call predecessors, (865), 865 states have call successors, (865) [2023-11-24 23:21:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2862 states and 4097 transitions. [2023-11-24 23:21:03,693 INFO L78 Accepts]: Start accepts. Automaton has 2862 states and 4097 transitions. Word has length 137 [2023-11-24 23:21:03,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:03,694 INFO L495 AbstractCegarLoop]: Abstraction has 2862 states and 4097 transitions. [2023-11-24 23:21:03,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-24 23:21:03,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2862 states and 4097 transitions. [2023-11-24 23:21:03,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-24 23:21:03,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:03,702 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2023-11-24 23:21:03,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:21:03,703 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:21:03,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:03,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1132818750, now seen corresponding path program 1 times [2023-11-24 23:21:03,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:21:03,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057550431] [2023-11-24 23:21:03,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:03,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:21:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2023-11-24 23:21:04,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:21:04,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057550431] [2023-11-24 23:21:04,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057550431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:21:04,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:21:04,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:21:04,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832265064] [2023-11-24 23:21:04,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:21:04,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:21:04,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:21:04,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:21:04,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:21:04,508 INFO L87 Difference]: Start difference. First operand 2862 states and 4097 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-24 23:21:07,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:09,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:11,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:13,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:15,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:17,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:19,833 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 []