./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:03:05,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:03:05,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:03:05,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:03:05,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:03:05,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:03:05,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:03:05,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:03:05,530 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:03:05,530 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:03:05,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:03:05,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:03:05,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:03:05,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:03:05,532 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:03:05,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:03:05,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:03:05,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:03:05,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:03:05,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:03:05,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:03:05,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:03:05,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:03:05,534 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:03:05,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:03:05,534 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:03:05,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:03:05,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:03:05,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:03:05,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:03:05,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:03:05,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:03:05,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:03:05,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:03:05,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:03:05,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:03:05,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:03:05,535 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:03:05,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:03:05,535 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:03:05,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:03:05,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:03:05,536 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:03:05,536 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:03:05,536 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:03:05,536 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 796dd9af134a9ffa7d65525922d125c3e75a459db15e4643a4f13ca47d95e4ce [2024-11-28 03:03:05,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:03:05,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:03:05,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:03:05,920 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:03:05,920 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:03:05,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2024-11-28 03:03:09,402 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/data/f21b4c5d7/78fd1d8454374e048fb00c07e37e90a8/FLAGe7528b60a [2024-11-28 03:03:10,159 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:03:10,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2024-11-28 03:03:10,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/data/f21b4c5d7/78fd1d8454374e048fb00c07e37e90a8/FLAGe7528b60a [2024-11-28 03:03:10,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/data/f21b4c5d7/78fd1d8454374e048fb00c07e37e90a8 [2024-11-28 03:03:10,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:03:10,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:03:10,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:03:10,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:03:10,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:03:10,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:10" (1/1) ... [2024-11-28 03:03:10,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c2c59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:10, skipping insertion in model container [2024-11-28 03:03:10,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:10" (1/1) ... [2024-11-28 03:03:10,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:03:12,805 WARN L250 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_937511b1-7362-49cf-b538-039c1a386e9c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2024-11-28 03:03:12,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:03:12,962 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:03:13,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5577] [2024-11-28 03:03:13,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5584] [2024-11-28 03:03:13,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5925-5926] [2024-11-28 03:03:13,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5954-5955] [2024-11-28 03:03:13,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7805] [2024-11-28 03:03:13,477 WARN L250 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_937511b1-7362-49cf-b538-039c1a386e9c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i[263179,263192] [2024-11-28 03:03:13,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:03:13,798 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:03:13,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13 WrapperNode [2024-11-28 03:03:13,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:03:13,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:03:13,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:03:13,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:03:13,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (1/1) ... [2024-11-28 03:03:13,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (1/1) ... [2024-11-28 03:03:14,198 INFO L138 Inliner]: procedures = 262, calls = 1371, calls flagged for inlining = 122, calls inlined = 117, statements flattened = 4063 [2024-11-28 03:03:14,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:03:14,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:03:14,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:03:14,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:03:14,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (1/1) ... [2024-11-28 03:03:14,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (1/1) ... [2024-11-28 03:03:14,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (1/1) ... [2024-11-28 03:03:14,992 INFO L175 MemorySlicer]: Split 748 memory accesses to 15 slices as follows [2, 7, 2, 4, 15, 4, 24, 38, 557, 5, 10, 9, 43, 9, 19]. 74 percent of accesses are in the largest equivalence class. The 57 initializations are split as follows [2, 0, 0, 4, 15, 4, 0, 0, 0, 4, 10, 9, 0, 9, 0]. The 400 writes are split as follows [0, 2, 1, 0, 0, 0, 17, 32, 289, 0, 0, 0, 43, 0, 16]. [2024-11-28 03:03:14,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (1/1) ... [2024-11-28 03:03:14,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (1/1) ... [2024-11-28 03:03:15,140 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (1/1) ... [2024-11-28 03:03:15,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (1/1) ... [2024-11-28 03:03:15,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (1/1) ... [2024-11-28 03:03:15,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (1/1) ... [2024-11-28 03:03:15,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (1/1) ... [2024-11-28 03:03:15,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:03:15,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:03:15,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:03:15,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:03:15,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (1/1) ... [2024-11-28 03:03:15,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:03:15,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:03:15,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:03:15,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:03:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2024-11-28 03:03:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2024-11-28 03:03:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-28 03:03:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-28 03:03:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 03:03:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 03:03:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 03:03:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 03:03:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 03:03:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 03:03:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 03:03:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 03:03:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 03:03:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 03:03:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 03:03:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 03:03:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 03:03:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 03:03:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 03:03:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:03:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:03:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:03:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:03:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:03:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:03:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:03:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:03:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:03:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 03:03:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 03:03:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 03:03:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 03:03:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 03:03:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 03:03:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-28 03:03:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-28 03:03:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2024-11-28 03:03:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2024-11-28 03:03:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 03:03:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 03:03:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 03:03:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 03:03:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset_after_host_error [2024-11-28 03:03:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset_after_host_error [2024-11-28 03:03:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 03:03:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 03:03:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-28 03:03:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-28 03:03:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 03:03:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 03:03:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 03:03:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 03:03:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2024-11-28 03:03:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2024-11-28 03:03:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 03:03:15,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 03:03:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 03:03:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 03:03:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2024-11-28 03:03:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2024-11-28 03:03:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-28 03:03:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-28 03:03:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2024-11-28 03:03:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2024-11-28 03:03:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 03:03:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 03:03:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-28 03:03:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-28 03:03:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2024-11-28 03:03:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2024-11-28 03:03:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-28 03:03:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-28 03:03:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:03:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:03:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-28 03:03:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-28 03:03:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 03:03:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 03:03:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-28 03:03:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-28 03:03:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2024-11-28 03:03:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2024-11-28 03:03:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2024-11-28 03:03:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2024-11-28 03:03:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2024-11-28 03:03:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2024-11-28 03:03:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:03:15,382 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-28 03:03:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-28 03:03:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-28 03:03:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-28 03:03:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2024-11-28 03:03:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2024-11-28 03:03:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:03:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:03:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:03:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:03:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:03:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:03:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:03:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:03:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:03:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 03:03:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 03:03:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 03:03:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 03:03:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 03:03:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 03:03:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-28 03:03:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-28 03:03:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-28 03:03:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-28 03:03:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-28 03:03:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-28 03:03:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-28 03:03:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-28 03:03:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2024-11-28 03:03:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2024-11-28 03:03:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-28 03:03:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-28 03:03:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2024-11-28 03:03:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2024-11-28 03:03:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:03:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:03:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:03:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 03:03:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 03:03:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2024-11-28 03:03:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2024-11-28 03:03:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-28 03:03:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-28 03:03:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 03:03:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 03:03:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 03:03:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 03:03:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-28 03:03:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-28 03:03:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-28 03:03:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-28 03:03:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 03:03:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 03:03:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2024-11-28 03:03:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2024-11-28 03:03:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2024-11-28 03:03:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2024-11-28 03:03:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2024-11-28 03:03:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2024-11-28 03:03:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:03:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:03:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:03:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:03:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:03:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:03:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 03:03:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 03:03:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 03:03:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioctl [2024-11-28 03:03:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioctl [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-28 03:03:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:03:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:03:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:03:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:03:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:03:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:03:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:03:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:03:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 03:03:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 03:03:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 03:03:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 03:03:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 03:03:15,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 03:03:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 03:03:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 03:03:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 03:03:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 03:03:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 03:03:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 03:03:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 03:03:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 03:03:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 03:03:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 03:03:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 03:03:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 03:03:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 03:03:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 03:03:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-28 03:03:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 03:03:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 03:03:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 03:03:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 03:03:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 03:03:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 03:03:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 03:03:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 03:03:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 03:03:15,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 03:03:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 03:03:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 03:03:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 03:03:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 03:03:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-28 03:03:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-28 03:03:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-28 03:03:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-28 03:03:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-28 03:03:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-28 03:03:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-28 03:03:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-28 03:03:15,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-28 03:03:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:03:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:03:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:03:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:03:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:03:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:03:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:03:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:03:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:03:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:03:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:03:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:03:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:03:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 03:03:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 03:03:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 03:03:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 03:03:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-28 03:03:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-28 03:03:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2024-11-28 03:03:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2024-11-28 03:03:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 03:03:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 03:03:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2024-11-28 03:03:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2024-11-28 03:03:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 03:03:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 03:03:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2024-11-28 03:03:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2024-11-28 03:03:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2024-11-28 03:03:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-28 03:03:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2024-11-28 03:03:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 03:03:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 03:03:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 03:03:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 03:03:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 03:03:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 03:03:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-28 03:03:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-28 03:03:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-28 03:03:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-28 03:03:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2024-11-28 03:03:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2024-11-28 03:03:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-28 03:03:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-28 03:03:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2024-11-28 03:03:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2024-11-28 03:03:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-28 03:03:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-28 03:03:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-28 03:03:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-28 03:03:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2024-11-28 03:03:15,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2024-11-28 03:03:15,414 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-28 03:03:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-28 03:03:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2024-11-28 03:03:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2024-11-28 03:03:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-11-28 03:03:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-11-28 03:03:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_change_mtu [2024-11-28 03:03:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_change_mtu [2024-11-28 03:03:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-28 03:03:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-28 03:03:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:03:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:03:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2024-11-28 03:03:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2024-11-28 03:03:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-28 03:03:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-28 03:03:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:03:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:03:16,658 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:03:16,662 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:03:18,377 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 03:03:35,133 INFO L? ?]: Removed 2081 outVars from TransFormulas that were not future-live. [2024-11-28 03:03:35,133 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:03:35,183 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:03:35,183 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:03:35,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:35 BoogieIcfgContainer [2024-11-28 03:03:35,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:03:35,186 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:03:35,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:03:35,240 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:03:35,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:03:10" (1/3) ... [2024-11-28 03:03:35,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bff952c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:03:35, skipping insertion in model container [2024-11-28 03:03:35,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:13" (2/3) ... [2024-11-28 03:03:35,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bff952c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:03:35, skipping insertion in model container [2024-11-28 03:03:35,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:35" (3/3) ... [2024-11-28 03:03:35,247 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i [2024-11-28 03:03:35,280 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:03:35,291 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--icplus--ipg.ko-entry_point.cil.out.i that has 100 procedures, 1858 locations, 1 initial locations, 31 loop locations, and 1 error locations. [2024-11-28 03:03:35,463 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:03:35,480 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@26d6c7a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:03:35,483 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:03:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 1787 states, 1324 states have (on average 1.3678247734138973) internal successors, (1811), 1361 states have internal predecessors, (1811), 379 states have call successors, (379), 85 states have call predecessors, (379), 84 states have return successors, (371), 369 states have call predecessors, (371), 371 states have call successors, (371) [2024-11-28 03:03:35,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 03:03:35,561 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:35,562 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:03:35,563 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:35,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:35,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1298265424, now seen corresponding path program 1 times [2024-11-28 03:03:35,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:35,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707274879] [2024-11-28 03:03:35,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:35,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-28 03:03:44,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:44,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707274879] [2024-11-28 03:03:44,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707274879] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:44,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062684253] [2024-11-28 03:03:44,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:44,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:03:44,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:03:44,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:03:44,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:03:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:53,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 3203 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:03:53,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-28 03:03:53,248 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:03:53,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062684253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:03:53,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:03:53,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:03:53,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871985965] [2024-11-28 03:03:53,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:03:53,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:03:53,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:53,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:03:53,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:03:53,294 INFO L87 Difference]: Start difference. First operand has 1787 states, 1324 states have (on average 1.3678247734138973) internal successors, (1811), 1361 states have internal predecessors, (1811), 379 states have call successors, (379), 85 states have call predecessors, (379), 84 states have return successors, (371), 369 states have call predecessors, (371), 371 states have call successors, (371) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 03:03:53,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:53,578 INFO L93 Difference]: Finished difference Result 3563 states and 5176 transitions. [2024-11-28 03:03:53,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:03:53,581 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2024-11-28 03:03:53,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:53,632 INFO L225 Difference]: With dead ends: 3563 [2024-11-28 03:03:53,632 INFO L226 Difference]: Without dead ends: 1760 [2024-11-28 03:03:53,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:03:53,663 INFO L435 NwaCegarLoop]: 2514 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2514 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:53,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2514 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:03:53,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2024-11-28 03:03:53,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1760. [2024-11-28 03:03:53,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1307 states have (on average 1.3366488140780413) internal successors, (1747), 1333 states have internal predecessors, (1747), 369 states have call successors, (369), 84 states have call predecessors, (369), 83 states have return successors, (368), 366 states have call predecessors, (368), 368 states have call successors, (368) [2024-11-28 03:03:53,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2484 transitions. [2024-11-28 03:03:53,882 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2484 transitions. Word has length 122 [2024-11-28 03:03:53,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:53,883 INFO L471 AbstractCegarLoop]: Abstraction has 1760 states and 2484 transitions. [2024-11-28 03:03:53,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 03:03:53,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2484 transitions. [2024-11-28 03:03:53,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 03:03:53,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:53,894 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:03:53,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:03:54,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:03:54,099 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:03:54,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:54,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1419284655, now seen corresponding path program 1 times [2024-11-28 03:03:54,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:54,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617069428] [2024-11-28 03:03:54,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:54,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-28 03:04:01,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:01,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617069428] [2024-11-28 03:04:01,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617069428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:04:01,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:04:01,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:04:01,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963187346] [2024-11-28 03:04:01,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:01,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:04:01,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:04:01,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:04:01,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:04:01,399 INFO L87 Difference]: Start difference. First operand 1760 states and 2484 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 03:04:02,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:02,247 INFO L93 Difference]: Finished difference Result 5241 states and 7421 transitions. [2024-11-28 03:04:02,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:04:02,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 121 [2024-11-28 03:04:02,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:02,284 INFO L225 Difference]: With dead ends: 5241 [2024-11-28 03:04:02,284 INFO L226 Difference]: Without dead ends: 3502 [2024-11-28 03:04:02,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:04:02,298 INFO L435 NwaCegarLoop]: 2778 mSDtfsCounter, 2466 mSDsluCounter, 7997 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2467 SdHoareTripleChecker+Valid, 10775 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:02,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2467 Valid, 10775 Invalid, 39 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:04:02,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3502 states. [2024-11-28 03:04:02,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3502 to 3493. [2024-11-28 03:04:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3493 states, 2595 states have (on average 1.336801541425819) internal successors, (3469), 2651 states have internal predecessors, (3469), 731 states have call successors, (731), 167 states have call predecessors, (731), 166 states have return successors, (742), 722 states have call predecessors, (742), 730 states have call successors, (742) [2024-11-28 03:04:02,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 3493 states and 4942 transitions. [2024-11-28 03:04:02,573 INFO L78 Accepts]: Start accepts. Automaton has 3493 states and 4942 transitions. Word has length 121 [2024-11-28 03:04:02,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:02,578 INFO L471 AbstractCegarLoop]: Abstraction has 3493 states and 4942 transitions. [2024-11-28 03:04:02,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 03:04:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3493 states and 4942 transitions. [2024-11-28 03:04:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 03:04:02,588 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:02,589 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:02,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:04:02,589 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:02,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:02,594 INFO L85 PathProgramCache]: Analyzing trace with hash 34567579, now seen corresponding path program 1 times [2024-11-28 03:04:02,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:02,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796238528] [2024-11-28 03:04:02,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:02,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-28 03:04:09,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:09,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796238528] [2024-11-28 03:04:09,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796238528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:04:09,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:04:09,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:04:09,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943881019] [2024-11-28 03:04:09,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:09,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:04:09,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:04:09,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:04:09,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:04:09,471 INFO L87 Difference]: Start difference. First operand 3493 states and 4942 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 03:04:10,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:10,258 INFO L93 Difference]: Finished difference Result 10451 states and 14850 transitions. [2024-11-28 03:04:10,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:04:10,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 124 [2024-11-28 03:04:10,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:10,314 INFO L225 Difference]: With dead ends: 10451 [2024-11-28 03:04:10,314 INFO L226 Difference]: Without dead ends: 6979 [2024-11-28 03:04:10,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:04:10,337 INFO L435 NwaCegarLoop]: 2610 mSDtfsCounter, 2468 mSDsluCounter, 7661 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2469 SdHoareTripleChecker+Valid, 10271 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:10,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2469 Valid, 10271 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:04:10,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6979 states. [2024-11-28 03:04:10,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6979 to 6966. [2024-11-28 03:04:10,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6966 states, 5179 states have (on average 1.3367445452790114) internal successors, (6923), 5290 states have internal predecessors, (6923), 1454 states have call successors, (1454), 333 states have call predecessors, (1454), 332 states have return successors, (1507), 1438 states have call predecessors, (1507), 1453 states have call successors, (1507) [2024-11-28 03:04:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6966 states to 6966 states and 9884 transitions. [2024-11-28 03:04:10,772 INFO L78 Accepts]: Start accepts. Automaton has 6966 states and 9884 transitions. Word has length 124 [2024-11-28 03:04:10,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:10,774 INFO L471 AbstractCegarLoop]: Abstraction has 6966 states and 9884 transitions. [2024-11-28 03:04:10,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 03:04:10,774 INFO L276 IsEmpty]: Start isEmpty. Operand 6966 states and 9884 transitions. [2024-11-28 03:04:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 03:04:10,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:10,782 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:10,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:04:10,782 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:10,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:10,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1674685650, now seen corresponding path program 1 times [2024-11-28 03:04:10,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:10,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620000779] [2024-11-28 03:04:10,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:10,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:17,369 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-28 03:04:17,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:17,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620000779] [2024-11-28 03:04:17,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620000779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:04:17,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:04:17,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:04:17,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262637552] [2024-11-28 03:04:17,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:17,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:04:17,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:04:17,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:04:17,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:04:17,372 INFO L87 Difference]: Start difference. First operand 6966 states and 9884 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 03:04:18,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:18,308 INFO L93 Difference]: Finished difference Result 20882 states and 29777 transitions. [2024-11-28 03:04:18,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:04:18,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 123 [2024-11-28 03:04:18,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:18,439 INFO L225 Difference]: With dead ends: 20882 [2024-11-28 03:04:18,439 INFO L226 Difference]: Without dead ends: 13937 [2024-11-28 03:04:18,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:04:18,487 INFO L435 NwaCegarLoop]: 2610 mSDtfsCounter, 2467 mSDsluCounter, 7661 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2468 SdHoareTripleChecker+Valid, 10271 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:18,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2468 Valid, 10271 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:04:18,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13937 states. [2024-11-28 03:04:19,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13937 to 13914. [2024-11-28 03:04:19,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13914 states, 10349 states have (on average 1.3362643733694077) internal successors, (13829), 10569 states have internal predecessors, (13829), 2899 states have call successors, (2899), 666 states have call predecessors, (2899), 665 states have return successors, (3074), 2870 states have call predecessors, (3074), 2898 states have call successors, (3074) [2024-11-28 03:04:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13914 states to 13914 states and 19802 transitions. [2024-11-28 03:04:19,236 INFO L78 Accepts]: Start accepts. Automaton has 13914 states and 19802 transitions. Word has length 123 [2024-11-28 03:04:19,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:19,236 INFO L471 AbstractCegarLoop]: Abstraction has 13914 states and 19802 transitions. [2024-11-28 03:04:19,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 03:04:19,237 INFO L276 IsEmpty]: Start isEmpty. Operand 13914 states and 19802 transitions. [2024-11-28 03:04:19,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 03:04:19,244 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:19,244 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:19,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:04:19,244 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:19,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:19,245 INFO L85 PathProgramCache]: Analyzing trace with hash 825130840, now seen corresponding path program 1 times [2024-11-28 03:04:19,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:19,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970217149] [2024-11-28 03:04:19,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:19,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-28 03:04:25,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:25,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970217149] [2024-11-28 03:04:25,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970217149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:04:25,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:04:25,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:04:25,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608488509] [2024-11-28 03:04:25,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:25,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:04:25,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:04:25,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:04:25,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:04:25,440 INFO L87 Difference]: Start difference. First operand 13914 states and 19802 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 03:04:27,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:27,162 INFO L93 Difference]: Finished difference Result 41305 states and 59097 transitions. [2024-11-28 03:04:27,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:04:27,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 122 [2024-11-28 03:04:27,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:27,441 INFO L225 Difference]: With dead ends: 41305 [2024-11-28 03:04:27,442 INFO L226 Difference]: Without dead ends: 27412 [2024-11-28 03:04:27,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:04:27,547 INFO L435 NwaCegarLoop]: 2610 mSDtfsCounter, 2466 mSDsluCounter, 7661 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2467 SdHoareTripleChecker+Valid, 10271 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:27,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2467 Valid, 10271 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:04:27,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27412 states. [2024-11-28 03:04:28,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27412 to 27370. [2024-11-28 03:04:28,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27370 states, 20344 states have (on average 1.3338576484467164) internal successors, (27136), 20771 states have internal predecessors, (27136), 5703 states have call successors, (5703), 1323 states have call predecessors, (5703), 1322 states have return successors, (6204), 5650 states have call predecessors, (6204), 5702 states have call successors, (6204) [2024-11-28 03:04:28,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27370 states to 27370 states and 39043 transitions. [2024-11-28 03:04:29,016 INFO L78 Accepts]: Start accepts. Automaton has 27370 states and 39043 transitions. Word has length 122 [2024-11-28 03:04:29,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:29,017 INFO L471 AbstractCegarLoop]: Abstraction has 27370 states and 39043 transitions. [2024-11-28 03:04:29,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 03:04:29,019 INFO L276 IsEmpty]: Start isEmpty. Operand 27370 states and 39043 transitions. [2024-11-28 03:04:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 03:04:29,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:29,024 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:29,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:04:29,025 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:29,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:29,026 INFO L85 PathProgramCache]: Analyzing trace with hash 773862880, now seen corresponding path program 1 times [2024-11-28 03:04:29,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:29,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075824944] [2024-11-28 03:04:29,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:29,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:36,149 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-28 03:04:36,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:36,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075824944] [2024-11-28 03:04:36,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075824944] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:36,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520679085] [2024-11-28 03:04:36,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:36,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:04:36,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:36,154 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:04:36,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:04:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:43,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 3312 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:04:43,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-28 03:04:43,467 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:04:43,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520679085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:04:43,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:04:43,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-28 03:04:43,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041581348] [2024-11-28 03:04:43,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:04:43,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:04:43,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:04:43,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:04:43,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:04:43,470 INFO L87 Difference]: Start difference. First operand 27370 states and 39043 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:44,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:44,442 INFO L93 Difference]: Finished difference Result 27389 states and 39077 transitions. [2024-11-28 03:04:44,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:04:44,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 134 [2024-11-28 03:04:44,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:44,668 INFO L225 Difference]: With dead ends: 27389 [2024-11-28 03:04:44,668 INFO L226 Difference]: Without dead ends: 27386 [2024-11-28 03:04:44,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:04:44,688 INFO L435 NwaCegarLoop]: 2483 mSDtfsCounter, 0 mSDsluCounter, 2478 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4961 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:44,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4961 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:04:44,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27386 states. [2024-11-28 03:04:46,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27386 to 27386. [2024-11-28 03:04:46,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27386 states, 20360 states have (on average 1.3335952848722987) internal successors, (27152), 20787 states have internal predecessors, (27152), 5703 states have call successors, (5703), 1323 states have call predecessors, (5703), 1322 states have return successors, (6204), 5650 states have call predecessors, (6204), 5702 states have call successors, (6204) [2024-11-28 03:04:46,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27386 states to 27386 states and 39059 transitions. [2024-11-28 03:04:46,537 INFO L78 Accepts]: Start accepts. Automaton has 27386 states and 39059 transitions. Word has length 134 [2024-11-28 03:04:46,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:46,538 INFO L471 AbstractCegarLoop]: Abstraction has 27386 states and 39059 transitions. [2024-11-28 03:04:46,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-28 03:04:46,538 INFO L276 IsEmpty]: Start isEmpty. Operand 27386 states and 39059 transitions. [2024-11-28 03:04:46,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 03:04:46,545 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:46,546 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:46,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:46,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 03:04:46,747 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:04:46,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:46,747 INFO L85 PathProgramCache]: Analyzing trace with hash 114280293, now seen corresponding path program 1 times [2024-11-28 03:04:46,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:46,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555845523] [2024-11-28 03:04:46,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:46,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:04:54,212 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-28 03:04:54,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:54,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555845523] [2024-11-28 03:04:54,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555845523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:54,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869729260] [2024-11-28 03:04:54,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:04:54,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:04:54,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:54,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:04:54,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:05:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:01,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 3317 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:05:01,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:05:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-28 03:05:02,378 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:05:02,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869729260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:02,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:05:02,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-28 03:05:02,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286672130] [2024-11-28 03:05:02,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:02,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:05:02,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:02,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:05:02,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:05:02,381 INFO L87 Difference]: Start difference. First operand 27386 states and 39059 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:05:05,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:05,234 INFO L93 Difference]: Finished difference Result 68398 states and 97663 transitions. [2024-11-28 03:05:05,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:05:05,238 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 136 [2024-11-28 03:05:05,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:05,504 INFO L225 Difference]: With dead ends: 68398 [2024-11-28 03:05:05,504 INFO L226 Difference]: Without dead ends: 41033 [2024-11-28 03:05:05,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:05:05,602 INFO L435 NwaCegarLoop]: 3621 mSDtfsCounter, 2503 mSDsluCounter, 16932 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2507 SdHoareTripleChecker+Valid, 20553 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:05,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 20553 Invalid, 81 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:05:05,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41033 states. [2024-11-28 03:05:07,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41033 to 40884. [2024-11-28 03:05:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40884 states, 30397 states have (on average 1.3335526532223574) internal successors, (40536), 31043 states have internal predecessors, (40536), 8503 states have call successors, (8503), 1976 states have call predecessors, (8503), 1983 states have return successors, (9418), 8422 states have call predecessors, (9418), 8502 states have call successors, (9418) [2024-11-28 03:05:08,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40884 states to 40884 states and 58457 transitions. [2024-11-28 03:05:08,104 INFO L78 Accepts]: Start accepts. Automaton has 40884 states and 58457 transitions. Word has length 136 [2024-11-28 03:05:08,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:08,105 INFO L471 AbstractCegarLoop]: Abstraction has 40884 states and 58457 transitions. [2024-11-28 03:05:08,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:05:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 40884 states and 58457 transitions. [2024-11-28 03:05:08,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:05:08,115 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:08,116 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:05:08,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:05:08,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 03:05:08,317 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:08,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:08,318 INFO L85 PathProgramCache]: Analyzing trace with hash 500067233, now seen corresponding path program 1 times [2024-11-28 03:05:08,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:08,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543094767] [2024-11-28 03:05:08,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:08,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:16,526 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-28 03:05:16,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:16,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543094767] [2024-11-28 03:05:16,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543094767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:05:16,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073148723] [2024-11-28 03:05:16,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:16,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:16,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:05:16,532 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:05:16,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:05:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:24,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 3319 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:05:24,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:05:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-28 03:05:24,857 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:05:24,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073148723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:24,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:05:24,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-28 03:05:24,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792499402] [2024-11-28 03:05:24,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:24,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:05:24,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:24,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:05:24,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:05:24,859 INFO L87 Difference]: Start difference. First operand 40884 states and 58457 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:05:27,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:27,358 INFO L93 Difference]: Finished difference Result 95447 states and 136505 transitions. [2024-11-28 03:05:27,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:05:27,359 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 137 [2024-11-28 03:05:27,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:27,767 INFO L225 Difference]: With dead ends: 95447 [2024-11-28 03:05:27,767 INFO L226 Difference]: Without dead ends: 54584 [2024-11-28 03:05:27,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:05:27,974 INFO L435 NwaCegarLoop]: 3959 mSDtfsCounter, 2500 mSDsluCounter, 18272 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2504 SdHoareTripleChecker+Valid, 22231 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:27,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2504 Valid, 22231 Invalid, 82 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:05:28,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54584 states. [2024-11-28 03:05:31,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54584 to 54414. [2024-11-28 03:05:31,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54414 states, 40454 states have (on average 1.3333662925792258) internal successors, (53940), 41335 states have internal predecessors, (53940), 11303 states have call successors, (11303), 2629 states have call predecessors, (11303), 2656 states have return successors, (12644), 11190 states have call predecessors, (12644), 11302 states have call successors, (12644) [2024-11-28 03:05:31,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54414 states to 54414 states and 77887 transitions. [2024-11-28 03:05:31,705 INFO L78 Accepts]: Start accepts. Automaton has 54414 states and 77887 transitions. Word has length 137 [2024-11-28 03:05:31,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:31,706 INFO L471 AbstractCegarLoop]: Abstraction has 54414 states and 77887 transitions. [2024-11-28 03:05:31,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:05:31,706 INFO L276 IsEmpty]: Start isEmpty. Operand 54414 states and 77887 transitions. [2024-11-28 03:05:31,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 03:05:31,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:31,719 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:05:31,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:05:31,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:31,920 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:31,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:31,921 INFO L85 PathProgramCache]: Analyzing trace with hash -554552084, now seen corresponding path program 1 times [2024-11-28 03:05:31,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:31,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616187100] [2024-11-28 03:05:31,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:31,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-28 03:05:40,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:40,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616187100] [2024-11-28 03:05:40,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616187100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:05:40,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331997546] [2024-11-28 03:05:40,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:40,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:40,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:05:40,330 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:05:40,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:05:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:49,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 3321 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:05:49,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:05:49,936 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-28 03:05:49,936 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:05:49,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331997546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:49,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:05:49,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-28 03:05:49,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074043173] [2024-11-28 03:05:49,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:49,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:05:49,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:49,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:05:49,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:05:49,938 INFO L87 Difference]: Start difference. First operand 54414 states and 77887 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:05:52,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:52,239 INFO L93 Difference]: Finished difference Result 122496 states and 175347 transitions. [2024-11-28 03:05:52,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:05:52,240 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 138 [2024-11-28 03:05:52,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:52,733 INFO L225 Difference]: With dead ends: 122496 [2024-11-28 03:05:52,733 INFO L226 Difference]: Without dead ends: 68103 [2024-11-28 03:05:52,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:05:52,996 INFO L435 NwaCegarLoop]: 3959 mSDtfsCounter, 2500 mSDsluCounter, 18272 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2504 SdHoareTripleChecker+Valid, 22231 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:52,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2504 Valid, 22231 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:05:53,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68103 states. [2024-11-28 03:05:55,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68103 to 54436. [2024-11-28 03:05:55,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54436 states, 40470 states have (on average 1.3332344946874228) internal successors, (53956), 41353 states have internal predecessors, (53956), 11303 states have call successors, (11303), 2629 states have call predecessors, (11303), 2662 states have return successors, (12653), 11194 states have call predecessors, (12653), 11302 states have call successors, (12653) [2024-11-28 03:05:55,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54436 states to 54436 states and 77912 transitions. [2024-11-28 03:05:55,441 INFO L78 Accepts]: Start accepts. Automaton has 54436 states and 77912 transitions. Word has length 138 [2024-11-28 03:05:55,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:55,442 INFO L471 AbstractCegarLoop]: Abstraction has 54436 states and 77912 transitions. [2024-11-28 03:05:55,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:05:55,444 INFO L276 IsEmpty]: Start isEmpty. Operand 54436 states and 77912 transitions. [2024-11-28 03:05:55,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 03:05:55,454 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:55,454 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:05:55,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 03:05:55,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:55,655 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:55,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:55,656 INFO L85 PathProgramCache]: Analyzing trace with hash 982874888, now seen corresponding path program 1 times [2024-11-28 03:05:55,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:55,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66494587] [2024-11-28 03:05:55,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:55,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:06:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:06:03,030 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-28 03:06:03,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:06:03,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66494587] [2024-11-28 03:06:03,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66494587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:06:03,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056547419] [2024-11-28 03:06:03,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:06:03,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:06:03,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:06:03,035 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:06:03,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:06:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:06:10,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 3323 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:06:10,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:06:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-28 03:06:11,420 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:06:11,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056547419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:06:11,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:06:11,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-28 03:06:11,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704894145] [2024-11-28 03:06:11,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:06:11,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:06:11,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:06:11,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:06:11,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:06:11,422 INFO L87 Difference]: Start difference. First operand 54436 states and 77912 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:06:14,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:06:14,384 INFO L93 Difference]: Finished difference Result 122526 states and 175380 transitions. [2024-11-28 03:06:14,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:06:14,384 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 139 [2024-11-28 03:06:14,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:06:14,766 INFO L225 Difference]: With dead ends: 122526 [2024-11-28 03:06:14,766 INFO L226 Difference]: Without dead ends: 68111 [2024-11-28 03:06:14,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:06:14,952 INFO L435 NwaCegarLoop]: 3966 mSDtfsCounter, 2502 mSDsluCounter, 18300 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2506 SdHoareTripleChecker+Valid, 22266 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:06:14,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2506 Valid, 22266 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:06:15,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68111 states. [2024-11-28 03:06:17,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68111 to 54449. [2024-11-28 03:06:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54449 states, 40480 states have (on average 1.3331521739130434) internal successors, (53966), 41362 states have internal predecessors, (53966), 11303 states have call successors, (11303), 2629 states have call predecessors, (11303), 2665 states have return successors, (12656), 11198 states have call predecessors, (12656), 11302 states have call successors, (12656) [2024-11-28 03:06:17,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54449 states to 54449 states and 77925 transitions. [2024-11-28 03:06:17,612 INFO L78 Accepts]: Start accepts. Automaton has 54449 states and 77925 transitions. Word has length 139 [2024-11-28 03:06:17,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:06:17,613 INFO L471 AbstractCegarLoop]: Abstraction has 54449 states and 77925 transitions. [2024-11-28 03:06:17,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 03:06:17,613 INFO L276 IsEmpty]: Start isEmpty. Operand 54449 states and 77925 transitions. [2024-11-28 03:06:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 03:06:17,625 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:06:17,625 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 03:06:17,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:06:17,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 03:06:17,826 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:06:17,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:06:17,827 INFO L85 PathProgramCache]: Analyzing trace with hash 780509896, now seen corresponding path program 1 times [2024-11-28 03:06:17,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:06:17,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018113756] [2024-11-28 03:06:17,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:06:17,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:06:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:06:25,475 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:06:25,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:06:25,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018113756] [2024-11-28 03:06:25,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018113756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:06:25,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774308562] [2024-11-28 03:06:25,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:06:25,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:06:25,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:06:25,478 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:06:25,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:06:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:06:33,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 3434 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:06:33,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:06:35,102 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-28 03:06:35,102 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:06:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-28 03:06:37,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774308562] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:06:37,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:06:37,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 18 [2024-11-28 03:06:37,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628218784] [2024-11-28 03:06:37,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:06:37,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 03:06:37,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:06:37,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 03:06:37,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:06:37,947 INFO L87 Difference]: Start difference. First operand 54449 states and 77925 transitions. Second operand has 18 states, 18 states have (on average 6.611111111111111) internal successors, (119), 14 states have internal predecessors, (119), 5 states have call successors, (31), 4 states have call predecessors, (31), 7 states have return successors, (25), 6 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-28 03:06:41,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:06:46,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:06:50,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:06:55,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:08:33,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:08:33,150 INFO L93 Difference]: Finished difference Result 143082 states and 205030 transitions. [2024-11-28 03:08:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-11-28 03:08:33,151 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.611111111111111) internal successors, (119), 14 states have internal predecessors, (119), 5 states have call successors, (31), 4 states have call predecessors, (31), 7 states have return successors, (25), 6 states have call predecessors, (25), 5 states have call successors, (25) Word has length 152 [2024-11-28 03:08:33,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:08:33,695 INFO L225 Difference]: With dead ends: 143082 [2024-11-28 03:08:33,695 INFO L226 Difference]: Without dead ends: 88626 [2024-11-28 03:08:33,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 294 SyntacticMatches, 8 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1751 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=747, Invalid=5105, Unknown=0, NotChecked=0, Total=5852 [2024-11-28 03:08:33,913 INFO L435 NwaCegarLoop]: 6264 mSDtfsCounter, 14320 mSDsluCounter, 60047 mSDsCounter, 0 mSdLazyCounter, 8964 mSolverCounterSat, 2555 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14341 SdHoareTripleChecker+Valid, 66311 SdHoareTripleChecker+Invalid, 11523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2555 IncrementalHoareTripleChecker+Valid, 8964 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:08:33,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14341 Valid, 66311 Invalid, 11523 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2555 Valid, 8964 Invalid, 4 Unknown, 0 Unchecked, 100.9s Time] [2024-11-28 03:08:33,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88626 states. [2024-11-28 03:08:37,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88626 to 88234. [2024-11-28 03:08:37,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88234 states, 65571 states have (on average 1.332860563358802) internal successors, (87397), 67030 states have internal predecessors, (87397), 18342 states have call successors, (18342), 4251 states have call predecessors, (18342), 4320 states have return successors, (20722), 18162 states have call predecessors, (20722), 18341 states have call successors, (20722) [2024-11-28 03:08:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88234 states to 88234 states and 126461 transitions. [2024-11-28 03:08:38,403 INFO L78 Accepts]: Start accepts. Automaton has 88234 states and 126461 transitions. Word has length 152 [2024-11-28 03:08:38,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:08:38,407 INFO L471 AbstractCegarLoop]: Abstraction has 88234 states and 126461 transitions. [2024-11-28 03:08:38,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.611111111111111) internal successors, (119), 14 states have internal predecessors, (119), 5 states have call successors, (31), 4 states have call predecessors, (31), 7 states have return successors, (25), 6 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-28 03:08:38,407 INFO L276 IsEmpty]: Start isEmpty. Operand 88234 states and 126461 transitions. [2024-11-28 03:08:38,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 03:08:38,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:08:38,442 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 03:08:38,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:08:38,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 03:08:38,643 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:08:38,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:08:38,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1072871965, now seen corresponding path program 1 times [2024-11-28 03:08:38,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:08:38,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430276369] [2024-11-28 03:08:38,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:08:38,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:08:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:08:46,260 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 03:08:46,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:08:46,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430276369] [2024-11-28 03:08:46,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430276369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:08:46,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984657837] [2024-11-28 03:08:46,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:08:46,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:08:46,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:08:46,262 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:08:46,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:08:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:08:53,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 3436 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:08:53,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:08:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-28 03:08:55,665 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:08:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-28 03:08:59,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984657837] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:08:59,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:08:59,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 10, 10] total 15 [2024-11-28 03:08:59,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072386566] [2024-11-28 03:08:59,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:08:59,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 03:08:59,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:08:59,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 03:08:59,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:08:59,224 INFO L87 Difference]: Start difference. First operand 88234 states and 126461 transitions. Second operand has 15 states, 15 states have (on average 8.0) internal successors, (120), 12 states have internal predecessors, (120), 4 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-28 03:09:03,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:09:07,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:09:11,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:09:16,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:09:20,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:03,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:06,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:07,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:09,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:11,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:15,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:18,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:20,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:22,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:25,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:27,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:29,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:30,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:13:32,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:18,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:21,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:26,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:28,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:30,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:31,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:34,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:36,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:38,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:41,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:43,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:45,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:48,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:14:50,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:15:32,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:15:32,096 INFO L93 Difference]: Finished difference Result 233988 states and 335503 transitions. [2024-11-28 03:15:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-28 03:15:32,097 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.0) internal successors, (120), 12 states have internal predecessors, (120), 4 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) Word has length 153 [2024-11-28 03:15:32,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:15:32,851 INFO L225 Difference]: With dead ends: 233988 [2024-11-28 03:15:32,851 INFO L226 Difference]: Without dead ends: 145775 [2024-11-28 03:15:33,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 299 SyntacticMatches, 8 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=317, Invalid=1753, Unknown=0, NotChecked=0, Total=2070 [2024-11-28 03:15:33,129 INFO L435 NwaCegarLoop]: 1657 mSDtfsCounter, 6990 mSDsluCounter, 15272 mSDsCounter, 0 mSdLazyCounter, 28874 mSolverCounterSat, 2706 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 374.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7186 SdHoareTripleChecker+Valid, 16929 SdHoareTripleChecker+Invalid, 31586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 2706 IncrementalHoareTripleChecker+Valid, 28874 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 381.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:15:33,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7186 Valid, 16929 Invalid, 31586 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [2706 Valid, 28874 Invalid, 6 Unknown, 0 Unchecked, 381.4s Time] [2024-11-28 03:15:33,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145775 states. [2024-11-28 03:15:38,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145775 to 111330. [2024-11-28 03:15:38,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111330 states, 82329 states have (on average 1.319887281516841) internal successors, (108665), 83880 states have internal predecessors, (108665), 22934 states have call successors, (22934), 5997 states have call predecessors, (22934), 6066 states have return successors, (25314), 22754 states have call predecessors, (25314), 22933 states have call successors, (25314) [2024-11-28 03:15:39,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111330 states to 111330 states and 156913 transitions. [2024-11-28 03:15:39,470 INFO L78 Accepts]: Start accepts. Automaton has 111330 states and 156913 transitions. Word has length 153 [2024-11-28 03:15:39,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:15:39,471 INFO L471 AbstractCegarLoop]: Abstraction has 111330 states and 156913 transitions. [2024-11-28 03:15:39,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.0) internal successors, (120), 12 states have internal predecessors, (120), 4 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-28 03:15:39,472 INFO L276 IsEmpty]: Start isEmpty. Operand 111330 states and 156913 transitions. [2024-11-28 03:15:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-28 03:15:39,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:15:39,531 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 03:15:39,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 03:15:39,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 03:15:39,732 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:15:39,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:15:39,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1065928914, now seen corresponding path program 1 times [2024-11-28 03:15:39,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:15:39,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70332148] [2024-11-28 03:15:39,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:39,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:15:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:15:48,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:15:48,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70332148] [2024-11-28 03:15:48,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70332148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:15:48,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389276281] [2024-11-28 03:15:48,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:15:48,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:15:48,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:15:48,936 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:15:48,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:15:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:15:58,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 3569 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:15:58,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:15:58,740 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 03:15:58,744 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:15:58,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389276281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:15:58,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:15:58,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-28 03:15:58,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868273049] [2024-11-28 03:15:58,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:15:58,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:15:58,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:15:58,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:15:58,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:15:58,747 INFO L87 Difference]: Start difference. First operand 111330 states and 156913 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:16:03,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:03,042 INFO L93 Difference]: Finished difference Result 222685 states and 313975 transitions. [2024-11-28 03:16:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:16:03,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 190 [2024-11-28 03:16:03,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:03,958 INFO L225 Difference]: With dead ends: 222685 [2024-11-28 03:16:03,958 INFO L226 Difference]: Without dead ends: 111376 [2024-11-28 03:16:04,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:16:04,419 INFO L435 NwaCegarLoop]: 2483 mSDtfsCounter, 0 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4960 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:16:04,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4960 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:16:04,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111376 states. [2024-11-28 03:16:10,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111376 to 111376. [2024-11-28 03:16:10,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111376 states, 82375 states have (on average 1.3197086494688923) internal successors, (108711), 83926 states have internal predecessors, (108711), 22934 states have call successors, (22934), 5997 states have call predecessors, (22934), 6066 states have return successors, (25314), 22754 states have call predecessors, (25314), 22933 states have call successors, (25314) [2024-11-28 03:16:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111376 states to 111376 states and 156959 transitions. [2024-11-28 03:16:11,212 INFO L78 Accepts]: Start accepts. Automaton has 111376 states and 156959 transitions. Word has length 190 [2024-11-28 03:16:11,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:11,213 INFO L471 AbstractCegarLoop]: Abstraction has 111376 states and 156959 transitions. [2024-11-28 03:16:11,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:16:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand 111376 states and 156959 transitions. [2024-11-28 03:16:11,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-28 03:16:11,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:11,261 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 03:16:11,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 03:16:11,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 03:16:11,463 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:16:11,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:11,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1972950964, now seen corresponding path program 1 times [2024-11-28 03:16:11,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:11,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041624494] [2024-11-28 03:16:11,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:11,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 03:16:21,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:21,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041624494] [2024-11-28 03:16:21,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041624494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:21,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773947705] [2024-11-28 03:16:21,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:21,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:21,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:21,371 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:21,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937511b1-7362-49cf-b538-039c1a386e9c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process