./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--dec--tulip--de4x5.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:08:06,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:08:06,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:08:06,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:08:06,390 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:08:06,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:08:06,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:08:06,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:08:06,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:08:06,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:08:06,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:08:06,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:08:06,452 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:08:06,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:08:06,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:08:06,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:08:06,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:08:06,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:08:06,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:08:06,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:08:06,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:08:06,459 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:08:06,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:08:06,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:08:06,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:08:06,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:06,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:08:06,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:08:06,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:08:06,464 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:08:06,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:08:06,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:08:06,466 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:08:06,466 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:08:06,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:08:06,467 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:08:06,467 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_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2023-11-06 22:08:06,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:08:06,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:08:06,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:08:06,864 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:08:06,865 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:08:06,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2023-11-06 22:08:09,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:08:10,704 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:08:10,706 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2023-11-06 22:08:10,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP/data/503583050/dcbf3a3550924a1fb2b66f072427db90/FLAGd8e2cd379 [2023-11-06 22:08:10,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP/data/503583050/dcbf3a3550924a1fb2b66f072427db90 [2023-11-06 22:08:10,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:08:10,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:08:10,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:10,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:08:10,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:08:10,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:10" (1/1) ... [2023-11-06 22:08:10,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b085551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:10, skipping insertion in model container [2023-11-06 22:08:10,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:08:10" (1/1) ... [2023-11-06 22:08:11,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:08:14,305 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_11586905-ff56-4c5e-bda0-61d711843c67/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2023-11-06 22:08:14,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:14,456 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:08:14,653 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"); [5726] [2023-11-06 22:08:14,655 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)); [5733] [2023-11-06 22:08:14,655 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5741-5742] [2023-11-06 22:08:14,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5922] [2023-11-06 22:08:14,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5930] [2023-11-06 22:08:14,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5937] [2023-11-06 22:08:14,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5945] [2023-11-06 22:08:14,681 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)); [6193-6194] [2023-11-06 22:08:14,683 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)); [6222-6223] [2023-11-06 22:08:14,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6926] [2023-11-06 22:08:14,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7152] [2023-11-06 22:08:14,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7505] [2023-11-06 22:08:14,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7513] [2023-11-06 22:08:14,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7849] [2023-11-06 22:08:14,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7851] [2023-11-06 22:08:14,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10163] [2023-11-06 22:08:15,099 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_11586905-ff56-4c5e-bda0-61d711843c67/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2023-11-06 22:08:15,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:08:15,321 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:08:15,321 WARN L672 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:08:15,321 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:08:15,322 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:08:15,329 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:08:15,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:15 WrapperNode [2023-11-06 22:08:15,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:08:15,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:15,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:08:15,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:08:15,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:15" (1/1) ... [2023-11-06 22:08:15,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:15" (1/1) ... [2023-11-06 22:08:15,842 INFO L138 Inliner]: procedures = 333, calls = 3770, calls flagged for inlining = 139, calls inlined = 136, statements flattened = 8428 [2023-11-06 22:08:15,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:08:15,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:08:15,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:08:15,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:08:15,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:15" (1/1) ... [2023-11-06 22:08:15,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:15" (1/1) ... [2023-11-06 22:08:15,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:15" (1/1) ... [2023-11-06 22:08:15,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:15" (1/1) ... [2023-11-06 22:08:16,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:15" (1/1) ... [2023-11-06 22:08:16,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:15" (1/1) ... [2023-11-06 22:08:16,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:15" (1/1) ... [2023-11-06 22:08:16,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:15" (1/1) ... [2023-11-06 22:08:16,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:08:16,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:08:16,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:08:16,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:08:16,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:15" (1/1) ... [2023-11-06 22:08:16,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:08:16,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:08:16,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:08:16,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11586905-ff56-4c5e-bda0-61d711843c67/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:08:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2023-11-06 22:08:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2023-11-06 22:08:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-06 22:08:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-06 22:08:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2023-11-06 22:08:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2023-11-06 22:08:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:08:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:08:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:08:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:08:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_interrupt [2023-11-06 22:08:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_interrupt [2023-11-06 22:08:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:08:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:08:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2023-11-06 22:08:16,522 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2023-11-06 22:08:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-06 22:08:16,524 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-06 22:08:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-06 22:08:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-06 22:08:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2023-11-06 22:08:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2023-11-06 22:08:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-06 22:08:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-06 22:08:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2023-11-06 22:08:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2023-11-06 22:08:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:08:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:08:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2023-11-06 22:08:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2023-11-06 22:08:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2023-11-06 22:08:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2023-11-06 22:08:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-06 22:08:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-06 22:08:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2023-11-06 22:08:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2023-11-06 22:08:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2023-11-06 22:08:16,528 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2023-11-06 22:08:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 22:08:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 22:08:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2023-11-06 22:08:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2023-11-06 22:08:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2023-11-06 22:08:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2023-11-06 22:08:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2023-11-06 22:08:16,529 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2023-11-06 22:08:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-06 22:08:16,530 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-06 22:08:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2023-11-06 22:08:16,531 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2023-11-06 22:08:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2023-11-06 22:08:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2023-11-06 22:08:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2023-11-06 22:08:16,532 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2023-11-06 22:08:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:08:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:08:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2023-11-06 22:08:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2023-11-06 22:08:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-11-06 22:08:16,533 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-11-06 22:08:16,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:08:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:08:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-06 22:08:16,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-06 22:08:16,534 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2023-11-06 22:08:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2023-11-06 22:08:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-06 22:08:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-06 22:08:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 22:08:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 22:08:16,535 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2023-11-06 22:08:16,535 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2023-11-06 22:08:16,536 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2023-11-06 22:08:16,536 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2023-11-06 22:08:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2023-11-06 22:08:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2023-11-06 22:08:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2023-11-06 22:08:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2023-11-06 22:08:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2023-11-06 22:08:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2023-11-06 22:08:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-06 22:08:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-06 22:08:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:08:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 22:08:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2023-11-06 22:08:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2023-11-06 22:08:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-06 22:08:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-06 22:08:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 22:08:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2023-11-06 22:08:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2023-11-06 22:08:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2023-11-06 22:08:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2023-11-06 22:08:16,539 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2023-11-06 22:08:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2023-11-06 22:08:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2023-11-06 22:08:16,540 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2023-11-06 22:08:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-06 22:08:16,541 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-06 22:08:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2023-11-06 22:08:16,541 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2023-11-06 22:08:16,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:08:16,542 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2023-11-06 22:08:16,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2023-11-06 22:08:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-06 22:08:16,543 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-06 22:08:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-06 22:08:16,543 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-06 22:08:16,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-06 22:08:16,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-06 22:08:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 22:08:16,544 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 22:08:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2023-11-06 22:08:16,544 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2023-11-06 22:08:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-06 22:08:16,544 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2023-11-06 22:08:16,545 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2023-11-06 22:08:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:08:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-06 22:08:16,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2023-11-06 22:08:16,545 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-06 22:08:16,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-06 22:08:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:08:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2023-11-06 22:08:16,546 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2023-11-06 22:08:16,546 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:08:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:08:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-06 22:08:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-06 22:08:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-06 22:08:16,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-06 22:08:16,547 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2023-11-06 22:08:16,549 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2023-11-06 22:08:16,549 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-06 22:08:16,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-06 22:08:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2023-11-06 22:08:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2023-11-06 22:08:16,553 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-06 22:08:16,553 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-06 22:08:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-06 22:08:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-06 22:08:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-06 22:08:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-06 22:08:16,556 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2023-11-06 22:08:16,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2023-11-06 22:08:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2023-11-06 22:08:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2023-11-06 22:08:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 22:08:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 22:08:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 22:08:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 22:08:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-06 22:08:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-06 22:08:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2023-11-06 22:08:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2023-11-06 22:08:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:08:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2023-11-06 22:08:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2023-11-06 22:08:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2023-11-06 22:08:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2023-11-06 22:08:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2023-11-06 22:08:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2023-11-06 22:08:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 22:08:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 22:08:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 22:08:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 22:08:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-06 22:08:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-06 22:08:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2023-11-06 22:08:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2023-11-06 22:08:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:08:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2023-11-06 22:08:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2023-11-06 22:08:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-06 22:08:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-06 22:08:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:08:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-06 22:08:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-06 22:08:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-06 22:08:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-06 22:08:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-11-06 22:08:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-11-06 22:08:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:08:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:08:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2023-11-06 22:08:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2023-11-06 22:08:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2023-11-06 22:08:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2023-11-06 22:08:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-06 22:08:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-06 22:08:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-06 22:08:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-06 22:08:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2023-11-06 22:08:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2023-11-06 22:08:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:08:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2023-11-06 22:08:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2023-11-06 22:08:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-06 22:08:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-06 22:08:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-06 22:08:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-06 22:08:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:08:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:08:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2023-11-06 22:08:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2023-11-06 22:08:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-06 22:08:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-06 22:08:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2023-11-06 22:08:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2023-11-06 22:08:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-06 22:08:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-06 22:08:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2023-11-06 22:08:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2023-11-06 22:08:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:08:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-06 22:08:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-06 22:08:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2023-11-06 22:08:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2023-11-06 22:08:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-06 22:08:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-06 22:08:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2023-11-06 22:08:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2023-11-06 22:08:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-06 22:08:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-06 22:08:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:08:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2023-11-06 22:08:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2023-11-06 22:08:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2023-11-06 22:08:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2023-11-06 22:08:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 22:08:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 22:08:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:08:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-06 22:08:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-06 22:08:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2023-11-06 22:08:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2023-11-06 22:08:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-11-06 22:08:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-11-06 22:08:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2023-11-06 22:08:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2023-11-06 22:08:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:08:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:08:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2023-11-06 22:08:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2023-11-06 22:08:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2023-11-06 22:08:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2023-11-06 22:08:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2023-11-06 22:08:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2023-11-06 22:08:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2023-11-06 22:08:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2023-11-06 22:08:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2023-11-06 22:08:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2023-11-06 22:08:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2023-11-06 22:08:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2023-11-06 22:08:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2023-11-06 22:08:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2023-11-06 22:08:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2023-11-06 22:08:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2023-11-06 22:08:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2023-11-06 22:08:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2023-11-06 22:08:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2023-11-06 22:08:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2023-11-06 22:08:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2023-11-06 22:08:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2023-11-06 22:08:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2023-11-06 22:08:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2023-11-06 22:08:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2023-11-06 22:08:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2023-11-06 22:08:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2023-11-06 22:08:16,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2023-11-06 22:08:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-06 22:08:16,585 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-06 22:08:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-06 22:08:16,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-06 22:08:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2023-11-06 22:08:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2023-11-06 22:08:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-06 22:08:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-06 22:08:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2023-11-06 22:08:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2023-11-06 22:08:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2023-11-06 22:08:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2023-11-06 22:08:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2023-11-06 22:08:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2023-11-06 22:08:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:08:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2023-11-06 22:08:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2023-11-06 22:08:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2023-11-06 22:08:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2023-11-06 22:08:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-06 22:08:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:08:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:08:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2023-11-06 22:08:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2023-11-06 22:08:17,769 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:08:17,774 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:08:18,209 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:08:38,412 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:08:38,457 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:08:38,458 INFO L302 CfgBuilder]: Removed 17 assume(true) statements. [2023-11-06 22:08:38,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:38 BoogieIcfgContainer [2023-11-06 22:08:38,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:08:38,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:08:38,471 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:08:38,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:08:38,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:08:10" (1/3) ... [2023-11-06 22:08:38,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee61d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:38, skipping insertion in model container [2023-11-06 22:08:38,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:08:15" (2/3) ... [2023-11-06 22:08:38,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee61d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:08:38, skipping insertion in model container [2023-11-06 22:08:38,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:08:38" (3/3) ... [2023-11-06 22:08:38,479 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2023-11-06 22:08:38,498 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:08:38,498 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:08:38,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:08:38,683 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@73d36635, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:08:38,684 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:08:38,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 4429 states, 3382 states have (on average 1.4923122412773506) internal successors, (5047), 3444 states have internal predecessors, (5047), 925 states have call successors, (925), 137 states have call predecessors, (925), 136 states have return successors, (917), 906 states have call predecessors, (917), 917 states have call successors, (917) [2023-11-06 22:08:38,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-06 22:08:38,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:38,754 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:38,755 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:38,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:38,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2018187330, now seen corresponding path program 1 times [2023-11-06 22:08:38,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:38,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831020273] [2023-11-06 22:08:38,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:38,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:08:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:08:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:08:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:08:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:08:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:08:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:08:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:08:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:08:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:08:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:08:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 22:08:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:40,362 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-06 22:08:40,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:40,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831020273] [2023-11-06 22:08:40,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831020273] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:40,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:40,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:08:40,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196989341] [2023-11-06 22:08:40,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:40,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:08:40,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:40,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:08:40,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:40,424 INFO L87 Difference]: Start difference. First operand has 4429 states, 3382 states have (on average 1.4923122412773506) internal successors, (5047), 3444 states have internal predecessors, (5047), 925 states have call successors, (925), 137 states have call predecessors, (925), 136 states have return successors, (917), 906 states have call predecessors, (917), 917 states have call successors, (917) Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:08:42,505 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 [] [2023-11-06 22:08:44,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:08:46,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:09:09,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:09,422 INFO L93 Difference]: Finished difference Result 14278 states and 22951 transitions. [2023-11-06 22:09:09,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:09:09,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 127 [2023-11-06 22:09:09,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:09,566 INFO L225 Difference]: With dead ends: 14278 [2023-11-06 22:09:09,566 INFO L226 Difference]: Without dead ends: 9815 [2023-11-06 22:09:09,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:09:09,645 INFO L413 NwaCegarLoop]: 4236 mSDtfsCounter, 21373 mSDsluCounter, 6153 mSDsCounter, 0 mSdLazyCounter, 7856 mSolverCounterSat, 9311 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21766 SdHoareTripleChecker+Valid, 10389 SdHoareTripleChecker+Invalid, 17170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9311 IncrementalHoareTripleChecker+Valid, 7856 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:09,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21766 Valid, 10389 Invalid, 17170 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9311 Valid, 7856 Invalid, 3 Unknown, 0 Unchecked, 27.6s Time] [2023-11-06 22:09:09,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9815 states. [2023-11-06 22:09:10,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9815 to 8411. [2023-11-06 22:09:10,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8411 states, 6430 states have (on average 1.483670295489891) internal successors, (9540), 6508 states have internal predecessors, (9540), 1719 states have call successors, (1719), 262 states have call predecessors, (1719), 261 states have return successors, (1718), 1695 states have call predecessors, (1718), 1718 states have call successors, (1718) [2023-11-06 22:09:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8411 states to 8411 states and 12977 transitions. [2023-11-06 22:09:10,493 INFO L78 Accepts]: Start accepts. Automaton has 8411 states and 12977 transitions. Word has length 127 [2023-11-06 22:09:10,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:10,495 INFO L495 AbstractCegarLoop]: Abstraction has 8411 states and 12977 transitions. [2023-11-06 22:09:10,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:09:10,495 INFO L276 IsEmpty]: Start isEmpty. Operand 8411 states and 12977 transitions. [2023-11-06 22:09:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-06 22:09:10,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:10,516 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:10,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:09:10,516 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:09:10,517 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:10,517 INFO L85 PathProgramCache]: Analyzing trace with hash 2104060210, now seen corresponding path program 1 times [2023-11-06 22:09:10,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:09:10,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947771041] [2023-11-06 22:09:10,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:10,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:09:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:09:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:09:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:09:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:09:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:09:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:09:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:09:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:09:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:09:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:09:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:09:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-06 22:09:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-06 22:09:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-06 22:09:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-06 22:09:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-06 22:09:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:09:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:09:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-06 22:09:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-06 22:09:11,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:09:11,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947771041] [2023-11-06 22:09:11,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947771041] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:09:11,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:09:11,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:09:11,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028281992] [2023-11-06 22:09:11,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:09:11,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:09:11,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:09:11,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:09:11,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:09:11,967 INFO L87 Difference]: Start difference. First operand 8411 states and 12977 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:09:14,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:09:16,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:09:18,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:09:20,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:10:01,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:01,535 INFO L93 Difference]: Finished difference Result 29276 states and 45528 transitions. [2023-11-06 22:10:01,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:10:01,536 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 186 [2023-11-06 22:10:01,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:01,724 INFO L225 Difference]: With dead ends: 29276 [2023-11-06 22:10:01,724 INFO L226 Difference]: Without dead ends: 20885 [2023-11-06 22:10:01,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:10:01,799 INFO L413 NwaCegarLoop]: 3641 mSDtfsCounter, 24299 mSDsluCounter, 16968 mSDsCounter, 0 mSdLazyCounter, 23055 mSolverCounterSat, 10742 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24825 SdHoareTripleChecker+Valid, 20609 SdHoareTripleChecker+Invalid, 33801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 10742 IncrementalHoareTripleChecker+Valid, 23055 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:01,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24825 Valid, 20609 Invalid, 33801 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [10742 Valid, 23055 Invalid, 4 Unknown, 0 Unchecked, 47.1s Time] [2023-11-06 22:10:01,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20885 states. [2023-11-06 22:10:02,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20885 to 16801. [2023-11-06 22:10:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16801 states, 12847 states have (on average 1.4841597260060715) internal successors, (19067), 13011 states have internal predecessors, (19067), 3430 states have call successors, (3430), 524 states have call predecessors, (3430), 523 states have return successors, (3429), 3375 states have call predecessors, (3429), 3429 states have call successors, (3429) [2023-11-06 22:10:03,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16801 states to 16801 states and 25926 transitions. [2023-11-06 22:10:03,161 INFO L78 Accepts]: Start accepts. Automaton has 16801 states and 25926 transitions. Word has length 186 [2023-11-06 22:10:03,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:03,162 INFO L495 AbstractCegarLoop]: Abstraction has 16801 states and 25926 transitions. [2023-11-06 22:10:03,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:10:03,163 INFO L276 IsEmpty]: Start isEmpty. Operand 16801 states and 25926 transitions. [2023-11-06 22:10:03,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-06 22:10:03,169 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:03,170 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:03,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:10:03,171 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:03,171 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:03,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1403711009, now seen corresponding path program 1 times [2023-11-06 22:10:03,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:03,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312754986] [2023-11-06 22:10:03,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:03,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:10:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:10:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:10:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:10:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:10:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:10:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:10:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:10:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:10:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:10:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-06 22:10:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-06 22:10:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-06 22:10:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-06 22:10:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 22:10:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-06 22:10:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-06 22:10:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-06 22:10:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-06 22:10:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-06 22:10:04,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:04,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312754986] [2023-11-06 22:10:04,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312754986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:04,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:04,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:10:04,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974640812] [2023-11-06 22:10:04,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:04,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:10:04,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:04,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:10:04,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:10:04,310 INFO L87 Difference]: Start difference. First operand 16801 states and 25926 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:10:06,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:10:08,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:10:10,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:10:12,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:10:53,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:53,343 INFO L93 Difference]: Finished difference Result 58506 states and 92541 transitions. [2023-11-06 22:10:53,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:10:53,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 183 [2023-11-06 22:10:53,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:53,711 INFO L225 Difference]: With dead ends: 58506 [2023-11-06 22:10:53,711 INFO L226 Difference]: Without dead ends: 41725 [2023-11-06 22:10:53,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:10:53,832 INFO L413 NwaCegarLoop]: 3603 mSDtfsCounter, 24440 mSDsluCounter, 15352 mSDsCounter, 0 mSdLazyCounter, 20657 mSolverCounterSat, 10832 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24953 SdHoareTripleChecker+Valid, 18955 SdHoareTripleChecker+Invalid, 31493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 10832 IncrementalHoareTripleChecker+Valid, 20657 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:53,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24953 Valid, 18955 Invalid, 31493 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [10832 Valid, 20657 Invalid, 4 Unknown, 0 Unchecked, 45.6s Time] [2023-11-06 22:10:53,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41725 states. [2023-11-06 22:10:56,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41725 to 35947. [2023-11-06 22:10:56,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35947 states, 27457 states have (on average 1.4606475579997815) internal successors, (40105), 27381 states have internal predecessors, (40105), 7160 states have call successors, (7160), 1050 states have call predecessors, (7160), 1329 states have return successors, (8951), 7715 states have call predecessors, (8951), 7159 states have call successors, (8951) [2023-11-06 22:10:57,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35947 states to 35947 states and 56216 transitions. [2023-11-06 22:10:57,560 INFO L78 Accepts]: Start accepts. Automaton has 35947 states and 56216 transitions. Word has length 183 [2023-11-06 22:10:57,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:57,561 INFO L495 AbstractCegarLoop]: Abstraction has 35947 states and 56216 transitions. [2023-11-06 22:10:57,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 4 states have internal predecessors, (87), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:10:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 35947 states and 56216 transitions. [2023-11-06 22:10:57,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-06 22:10:57,574 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:57,576 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:57,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:10:57,577 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:57,577 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:57,578 INFO L85 PathProgramCache]: Analyzing trace with hash 674276634, now seen corresponding path program 1 times [2023-11-06 22:10:57,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:57,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383069773] [2023-11-06 22:10:57,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:57,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:10:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:10:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:10:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:10:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:10:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:10:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:10:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:10:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:10:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:10:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:10:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:10:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 22:10:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:10:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:10:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-06 22:10:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:10:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-06 22:10:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-06 22:10:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-06 22:10:59,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:59,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383069773] [2023-11-06 22:10:59,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383069773] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:59,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:59,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:10:59,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012388324] [2023-11-06 22:10:59,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:59,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:10:59,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:59,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:10:59,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:10:59,380 INFO L87 Difference]: Start difference. First operand 35947 states and 56216 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:11:01,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:11:03,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:11:05,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:11:07,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []