./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--isdn--hardware--mISDN--w6692.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_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/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_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/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--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/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_c7f2ca9f-051d-4989-85ee-cb956309d185/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 739f3451e6066963c0b7569760000f821b0e10d41a2bb279dc204ee3e2cd1a3e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:18:02,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:18:02,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:18:02,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:18:02,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:18:02,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:18:02,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:18:02,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:18:02,759 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:18:02,759 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:18:02,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:18:02,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:18:02,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:18:02,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:18:02,760 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:18:02,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:18:02,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:18:02,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:18:02,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:18:02,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:18:02,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:18:02,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:18:02,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:18:02,761 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:18:02,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:18:02,761 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:18:02,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:18:02,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:18:02,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:18:02,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:18:02,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:18:02,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:18:02,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:18:02,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:18:02,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:18:02,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:18:02,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:18:02,763 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:18:02,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:18:02,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:18:02,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:18:02,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:18:02,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:18:02,763 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:18:02,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:18:02,763 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_c7f2ca9f-051d-4989-85ee-cb956309d185/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 -> 739f3451e6066963c0b7569760000f821b0e10d41a2bb279dc204ee3e2cd1a3e [2024-11-28 04:18:03,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:18:03,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:18:03,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:18:03,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:18:03,077 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:18:03,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2024-11-28 04:18:06,072 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/data/f5a14ff11/0190612253eb4a73a048f3ad2a059274/FLAGcc9a73e36 [2024-11-28 04:18:06,755 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:18:06,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2024-11-28 04:18:06,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/data/f5a14ff11/0190612253eb4a73a048f3ad2a059274/FLAGcc9a73e36 [2024-11-28 04:18:06,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/data/f5a14ff11/0190612253eb4a73a048f3ad2a059274 [2024-11-28 04:18:06,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:18:06,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:18:06,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:18:06,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:18:06,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:18:06,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:18:06" (1/1) ... [2024-11-28 04:18:06,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c84459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:06, skipping insertion in model container [2024-11-28 04:18:06,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:18:06" (1/1) ... [2024-11-28 04:18:06,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:18:08,885 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_c7f2ca9f-051d-4989-85ee-cb956309d185/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i[284626,284639] [2024-11-28 04:18:08,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:18:08,997 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:18:09,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6149-6150] [2024-11-28 04:18:09,116 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6158-6159] [2024-11-28 04:18:09,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6355] [2024-11-28 04:18:09,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6363] [2024-11-28 04:18:09,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsb": "+S" (addr), "+c" (count): "d" (port)); [6370] [2024-11-28 04:18:09,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insb": "+D" (addr), "+c" (count): "d" (port)); [6377] [2024-11-28 04:18:09,378 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_c7f2ca9f-051d-4989-85ee-cb956309d185/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i[284626,284639] [2024-11-28 04:18:09,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:18:09,465 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:18:09,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09 WrapperNode [2024-11-28 04:18:09,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:18:09,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:18:09,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:18:09,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:18:09,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (1/1) ... [2024-11-28 04:18:09,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (1/1) ... [2024-11-28 04:18:09,731 INFO L138 Inliner]: procedures = 228, calls = 2107, calls flagged for inlining = 106, calls inlined = 86, statements flattened = 3367 [2024-11-28 04:18:09,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:18:09,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:18:09,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:18:09,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:18:09,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (1/1) ... [2024-11-28 04:18:09,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (1/1) ... [2024-11-28 04:18:09,783 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (1/1) ... [2024-11-28 04:18:10,243 INFO L175 MemorySlicer]: Split 921 memory accesses to 32 slices as follows [254, 192, 14, 6, 7, 6, 13, 6, 7, 14, 8, 6, 224, 2, 6, 2, 6, 2, 7, 14, 16, 6, 6, 6, 4, 6, 6, 14, 5, 43, 7, 6]. 28 percent of accesses are in the largest equivalence class. The 362 initializations are split as follows [8, 192, 14, 6, 0, 6, 0, 6, 0, 14, 8, 6, 0, 0, 6, 2, 6, 0, 0, 14, 16, 6, 6, 6, 4, 6, 6, 14, 4, 0, 0, 6]. The 356 writes are split as follows [84, 0, 0, 0, 6, 0, 13, 0, 6, 0, 0, 0, 192, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43, 6, 0]. [2024-11-28 04:18:10,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (1/1) ... [2024-11-28 04:18:10,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (1/1) ... [2024-11-28 04:18:10,437 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (1/1) ... [2024-11-28 04:18:10,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (1/1) ... [2024-11-28 04:18:10,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (1/1) ... [2024-11-28 04:18:10,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (1/1) ... [2024-11-28 04:18:10,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (1/1) ... [2024-11-28 04:18:10,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:18:10,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:18:10,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:18:10,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:18:10,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (1/1) ... [2024-11-28 04:18:10,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:18:10,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:18:10,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:18:10,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:18:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2024-11-28 04:18:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2024-11-28 04:18:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2024-11-28 04:18:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2024-11-28 04:18:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2024-11-28 04:18:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2024-11-28 04:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 04:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 04:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 04:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 04:18:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 04:18:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 04:18:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 04:18:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 04:18:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 04:18:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 04:18:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 04:18:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 04:18:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 04:18:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 04:18:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 04:18:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-28 04:18:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-28 04:18:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-28 04:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-28 04:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-28 04:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-28 04:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-28 04:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-11-28 04:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-11-28 04:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-11-28 04:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-11-28 04:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2024-11-28 04:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 04:18:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 04:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 04:18:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 04:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-28 04:18:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-28 04:18:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 04:18:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 04:18:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2024-11-28 04:18:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2024-11-28 04:18:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2024-11-28 04:18:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2024-11-28 04:18:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2024-11-28 04:18:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2024-11-28 04:18:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 04:18:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 04:18:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2024-11-28 04:18:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2024-11-28 04:18:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 04:18:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 04:18:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:18:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:18:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2024-11-28 04:18:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-28 04:18:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2024-11-28 04:18:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2024-11-28 04:18:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-28 04:18:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2024-11-28 04:18:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 04:18:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-28 04:18:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-28 04:18:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-11-28 04:18:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-11-28 04:18:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-11-28 04:18:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-11-28 04:18:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-11-28 04:18:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-28 04:18:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-28 04:18:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 04:18:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 04:18:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 04:18:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 04:18:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-28 04:18:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-28 04:18:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2024-11-28 04:18:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2024-11-28 04:18:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2024-11-28 04:18:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2024-11-28 04:18:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-28 04:18:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-28 04:18:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-28 04:18:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-28 04:18:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2024-11-28 04:18:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2024-11-28 04:18:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2024-11-28 04:18:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2024-11-28 04:18:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2024-11-28 04:18:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2024-11-28 04:18:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 04:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 04:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 04:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 04:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 04:18:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2024-11-28 04:18:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 04:18:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2024-11-28 04:18:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-28 04:18:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-28 04:18:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-28 04:18:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-28 04:18:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-28 04:18:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2024-11-28 04:18:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2024-11-28 04:18:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-28 04:18:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-28 04:18:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 04:18:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 04:18:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2024-11-28 04:18:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2024-11-28 04:18:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2024-11-28 04:18:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2024-11-28 04:18:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:18:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:18:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:18:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:18:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:18:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:18:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:18:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 04:18:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 04:18:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 04:18:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 04:18:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 04:18:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 04:18:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 04:18:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2024-11-28 04:18:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2024-11-28 04:18:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-28 04:18:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-28 04:18:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2024-11-28 04:18:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2024-11-28 04:18:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-28 04:18:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-28 04:18:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 04:18:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 04:18:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 04:18:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 04:18:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:18:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-28 04:18:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-28 04:18:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2024-11-28 04:18:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2024-11-28 04:18:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-28 04:18:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-28 04:18:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:18:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2024-11-28 04:18:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2024-11-28 04:18:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2024-11-28 04:18:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2024-11-28 04:18:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:18:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:18:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:18:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:18:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:18:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:18:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 04:18:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 04:18:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 04:18:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 04:18:10,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-11-28 04:18:10,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-28 04:18:10,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-11-28 04:18:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2024-11-28 04:18:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2024-11-28 04:18:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2024-11-28 04:18:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2024-11-28 04:18:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2024-11-28 04:18:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-28 04:18:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2024-11-28 04:18:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-28 04:18:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-28 04:18:10,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:18:10,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-11-28 04:18:10,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-11-28 04:18:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-11-28 04:18:10,698 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-28 04:18:10,698 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-28 04:18:10,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:18:10,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:18:11,561 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:18:11,564 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:18:11,615 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 04:18:20,286 INFO L? ?]: Removed 1110 outVars from TransFormulas that were not future-live. [2024-11-28 04:18:20,286 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:18:20,340 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:18:20,344 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-28 04:18:20,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:18:20 BoogieIcfgContainer [2024-11-28 04:18:20,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:18:20,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:18:20,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:18:20,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:18:20,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:18:06" (1/3) ... [2024-11-28 04:18:20,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215c88d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:18:20, skipping insertion in model container [2024-11-28 04:18:20,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:18:09" (2/3) ... [2024-11-28 04:18:20,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215c88d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:18:20, skipping insertion in model container [2024-11-28 04:18:20,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:18:20" (3/3) ... [2024-11-28 04:18:20,362 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2024-11-28 04:18:20,383 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:18:20,386 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i that has 64 procedures, 1295 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-28 04:18:20,489 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:18:20,501 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;@165e94cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:18:20,501 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:18:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 1294 states, 909 states have (on average 1.3828382838283828) internal successors, (1257), 965 states have internal predecessors, (1257), 321 states have call successors, (321), 63 states have call predecessors, (321), 62 states have return successors, (315), 309 states have call predecessors, (315), 315 states have call successors, (315) [2024-11-28 04:18:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 04:18:20,518 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:18:20,519 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 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 04:18:20,520 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:18:20,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:18:20,527 INFO L85 PathProgramCache]: Analyzing trace with hash 745809999, now seen corresponding path program 1 times [2024-11-28 04:18:20,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:18:20,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541065035] [2024-11-28 04:18:20,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:20,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:18:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-28 04:18:22,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:18:22,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541065035] [2024-11-28 04:18:22,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541065035] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:18:22,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660577199] [2024-11-28 04:18:22,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:22,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:18:22,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:18:22,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:18:22,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:18:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:24,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 3101 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:18:24,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:18:24,728 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-28 04:18:24,730 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:18:24,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660577199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:18:24,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:18:24,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:18:24,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167081192] [2024-11-28 04:18:24,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:18:24,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:18:24,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:18:24,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:18:24,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:18:24,765 INFO L87 Difference]: Start difference. First operand has 1294 states, 909 states have (on average 1.3828382838283828) internal successors, (1257), 965 states have internal predecessors, (1257), 321 states have call successors, (321), 63 states have call predecessors, (321), 62 states have return successors, (315), 309 states have call predecessors, (315), 315 states have call successors, (315) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 04:18:24,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:18:24,956 INFO L93 Difference]: Finished difference Result 2583 states and 3815 transitions. [2024-11-28 04:18:24,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:18:24,958 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 64 [2024-11-28 04:18:24,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:18:24,998 INFO L225 Difference]: With dead ends: 2583 [2024-11-28 04:18:24,999 INFO L226 Difference]: Without dead ends: 1277 [2024-11-28 04:18:25,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 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 04:18:25,021 INFO L435 NwaCegarLoop]: 1883 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, 1883 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 04:18:25,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:18:25,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2024-11-28 04:18:25,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1277. [2024-11-28 04:18:25,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 900 states have (on average 1.3688888888888888) internal successors, (1232), 948 states have internal predecessors, (1232), 315 states have call successors, (315), 62 states have call predecessors, (315), 61 states have return successors, (314), 308 states have call predecessors, (314), 314 states have call successors, (314) [2024-11-28 04:18:25,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1861 transitions. [2024-11-28 04:18:25,203 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1861 transitions. Word has length 64 [2024-11-28 04:18:25,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:18:25,206 INFO L471 AbstractCegarLoop]: Abstraction has 1277 states and 1861 transitions. [2024-11-28 04:18:25,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 04:18:25,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1861 transitions. [2024-11-28 04:18:25,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 04:18:25,208 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:18:25,209 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 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 04:18:25,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:18:25,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:18:25,413 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:18:25,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:18:25,414 INFO L85 PathProgramCache]: Analyzing trace with hash -2023023275, now seen corresponding path program 1 times [2024-11-28 04:18:25,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:18:25,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925516040] [2024-11-28 04:18:25,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:25,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:18:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-28 04:18:26,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:18:26,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925516040] [2024-11-28 04:18:26,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925516040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:18:26,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:18:26,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:18:26,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534773378] [2024-11-28 04:18:26,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:18:26,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:18:26,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:18:26,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:18:26,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:18:26,559 INFO L87 Difference]: Start difference. First operand 1277 states and 1861 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 04:18:26,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:18:26,862 INFO L93 Difference]: Finished difference Result 3386 states and 4947 transitions. [2024-11-28 04:18:26,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:18:26,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 64 [2024-11-28 04:18:26,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:18:26,885 INFO L225 Difference]: With dead ends: 3386 [2024-11-28 04:18:26,885 INFO L226 Difference]: Without dead ends: 2118 [2024-11-28 04:18:26,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:18:26,894 INFO L435 NwaCegarLoop]: 1886 mSDtfsCounter, 1243 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1243 SdHoareTripleChecker+Valid, 3723 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:18:26,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1243 Valid, 3723 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:18:26,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2024-11-28 04:18:27,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 2113. [2024-11-28 04:18:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2113 states, 1502 states have (on average 1.3861517976031958) internal successors, (2082), 1596 states have internal predecessors, (2082), 506 states have call successors, (506), 105 states have call predecessors, (506), 104 states have return successors, (505), 492 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-28 04:18:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 3093 transitions. [2024-11-28 04:18:27,085 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 3093 transitions. Word has length 64 [2024-11-28 04:18:27,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:18:27,085 INFO L471 AbstractCegarLoop]: Abstraction has 2113 states and 3093 transitions. [2024-11-28 04:18:27,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 04:18:27,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 3093 transitions. [2024-11-28 04:18:27,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:18:27,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:18:27,090 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-28 04:18:27,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:18:27,094 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:18:27,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:18:27,094 INFO L85 PathProgramCache]: Analyzing trace with hash 190120773, now seen corresponding path program 1 times [2024-11-28 04:18:27,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:18:27,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431460137] [2024-11-28 04:18:27,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:27,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:18:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 04:18:28,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:18:28,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431460137] [2024-11-28 04:18:28,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431460137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:18:28,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:18:28,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:18:28,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119633145] [2024-11-28 04:18:28,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:18:28,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:18:28,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:18:28,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:18:28,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:18:28,376 INFO L87 Difference]: Start difference. First operand 2113 states and 3093 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-28 04:18:32,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:18:32,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:18:32,594 INFO L93 Difference]: Finished difference Result 4208 states and 6165 transitions. [2024-11-28 04:18:32,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:18:32,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 99 [2024-11-28 04:18:32,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:18:32,615 INFO L225 Difference]: With dead ends: 4208 [2024-11-28 04:18:32,616 INFO L226 Difference]: Without dead ends: 2113 [2024-11-28 04:18:32,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:18:32,630 INFO L435 NwaCegarLoop]: 1861 mSDtfsCounter, 0 mSDsluCounter, 1856 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3717 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:18:32,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3717 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 04:18:32,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2024-11-28 04:18:32,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2113. [2024-11-28 04:18:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2113 states, 1502 states have (on average 1.385486018641811) internal successors, (2081), 1596 states have internal predecessors, (2081), 506 states have call successors, (506), 105 states have call predecessors, (506), 104 states have return successors, (505), 492 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-28 04:18:32,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 3092 transitions. [2024-11-28 04:18:32,762 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 3092 transitions. Word has length 99 [2024-11-28 04:18:32,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:18:32,764 INFO L471 AbstractCegarLoop]: Abstraction has 2113 states and 3092 transitions. [2024-11-28 04:18:32,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-28 04:18:32,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 3092 transitions. [2024-11-28 04:18:32,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 04:18:32,769 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:18:32,769 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-28 04:18:32,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:18:32,770 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:18:32,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:18:32,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1797528433, now seen corresponding path program 1 times [2024-11-28 04:18:32,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:18:32,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957284273] [2024-11-28 04:18:32,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:32,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:18:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-28 04:18:34,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:18:34,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957284273] [2024-11-28 04:18:34,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957284273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:18:34,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:18:34,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:18:34,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472447006] [2024-11-28 04:18:34,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:18:34,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:18:34,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:18:34,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:18:34,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:18:34,076 INFO L87 Difference]: Start difference. First operand 2113 states and 3092 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-28 04:18:34,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:18:34,189 INFO L93 Difference]: Finished difference Result 2118 states and 3098 transitions. [2024-11-28 04:18:34,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:18:34,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 116 [2024-11-28 04:18:34,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:18:34,207 INFO L225 Difference]: With dead ends: 2118 [2024-11-28 04:18:34,207 INFO L226 Difference]: Without dead ends: 2115 [2024-11-28 04:18:34,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:18:34,210 INFO L435 NwaCegarLoop]: 1859 mSDtfsCounter, 0 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3713 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:18:34,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3713 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:18:34,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2024-11-28 04:18:34,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 2115. [2024-11-28 04:18:34,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2115 states, 1504 states have (on average 1.3849734042553192) internal successors, (2083), 1598 states have internal predecessors, (2083), 506 states have call successors, (506), 105 states have call predecessors, (506), 104 states have return successors, (505), 492 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-28 04:18:34,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 3094 transitions. [2024-11-28 04:18:34,320 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 3094 transitions. Word has length 116 [2024-11-28 04:18:34,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:18:34,321 INFO L471 AbstractCegarLoop]: Abstraction has 2115 states and 3094 transitions. [2024-11-28 04:18:34,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-28 04:18:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 3094 transitions. [2024-11-28 04:18:34,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 04:18:34,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:18:34,325 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-28 04:18:34,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:18:34,326 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:18:34,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:18:34,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1355828748, now seen corresponding path program 1 times [2024-11-28 04:18:34,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:18:34,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074114236] [2024-11-28 04:18:34,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:34,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:18:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:35,950 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-28 04:18:35,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:18:35,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074114236] [2024-11-28 04:18:35,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074114236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:18:35,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:18:35,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:18:35,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875220206] [2024-11-28 04:18:35,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:18:35,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:18:35,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:18:35,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:18:35,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:18:35,953 INFO L87 Difference]: Start difference. First operand 2115 states and 3094 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 04:18:36,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:18:36,162 INFO L93 Difference]: Finished difference Result 4252 states and 6204 transitions. [2024-11-28 04:18:36,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:18:36,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 118 [2024-11-28 04:18:36,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:18:36,180 INFO L225 Difference]: With dead ends: 4252 [2024-11-28 04:18:36,180 INFO L226 Difference]: Without dead ends: 2156 [2024-11-28 04:18:36,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:18:36,191 INFO L435 NwaCegarLoop]: 1881 mSDtfsCounter, 502 mSDsluCounter, 3223 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 5104 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:18:36,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 5104 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:18:36,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2024-11-28 04:18:36,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2156. [2024-11-28 04:18:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2156 states, 1532 states have (on average 1.3785900783289817) internal successors, (2112), 1626 states have internal predecessors, (2112), 509 states have call successors, (509), 115 states have call predecessors, (509), 114 states have return successors, (508), 495 states have call predecessors, (508), 508 states have call successors, (508) [2024-11-28 04:18:36,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 2156 states and 3129 transitions. [2024-11-28 04:18:36,302 INFO L78 Accepts]: Start accepts. Automaton has 2156 states and 3129 transitions. Word has length 118 [2024-11-28 04:18:36,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:18:36,303 INFO L471 AbstractCegarLoop]: Abstraction has 2156 states and 3129 transitions. [2024-11-28 04:18:36,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 04:18:36,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 3129 transitions. [2024-11-28 04:18:36,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 04:18:36,311 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:18:36,311 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:36,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:18:36,312 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:18:36,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:18:36,312 INFO L85 PathProgramCache]: Analyzing trace with hash 636533339, now seen corresponding path program 1 times [2024-11-28 04:18:36,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:18:36,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710328039] [2024-11-28 04:18:36,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:36,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:18:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:18:37,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:18:37,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710328039] [2024-11-28 04:18:37,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710328039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:18:37,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:18:37,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:18:37,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772479532] [2024-11-28 04:18:37,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:18:37,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:18:37,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:18:37,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:18:37,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:18:37,598 INFO L87 Difference]: Start difference. First operand 2156 states and 3129 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:18:38,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:18:38,038 INFO L93 Difference]: Finished difference Result 6434 states and 9359 transitions. [2024-11-28 04:18:38,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:18:38,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 118 [2024-11-28 04:18:38,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:18:38,067 INFO L225 Difference]: With dead ends: 6434 [2024-11-28 04:18:38,068 INFO L226 Difference]: Without dead ends: 4301 [2024-11-28 04:18:38,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:18:38,081 INFO L435 NwaCegarLoop]: 2019 mSDtfsCounter, 1844 mSDsluCounter, 5867 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 7886 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:18:38,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 7886 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:18:38,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4301 states. [2024-11-28 04:18:38,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4301 to 4294. [2024-11-28 04:18:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4294 states, 3054 states have (on average 1.3785199738048461) internal successors, (4210), 3242 states have internal predecessors, (4210), 1012 states have call successors, (1012), 228 states have call predecessors, (1012), 227 states have return successors, (1016), 985 states have call predecessors, (1016), 1011 states have call successors, (1016) [2024-11-28 04:18:38,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4294 states to 4294 states and 6238 transitions. [2024-11-28 04:18:38,308 INFO L78 Accepts]: Start accepts. Automaton has 4294 states and 6238 transitions. Word has length 118 [2024-11-28 04:18:38,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:18:38,309 INFO L471 AbstractCegarLoop]: Abstraction has 4294 states and 6238 transitions. [2024-11-28 04:18:38,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:18:38,309 INFO L276 IsEmpty]: Start isEmpty. Operand 4294 states and 6238 transitions. [2024-11-28 04:18:38,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-28 04:18:38,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:18:38,312 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:18:38,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:18:38,312 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:18:38,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:18:38,313 INFO L85 PathProgramCache]: Analyzing trace with hash 68406076, now seen corresponding path program 1 times [2024-11-28 04:18:38,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:18:38,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478318121] [2024-11-28 04:18:38,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:38,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:18:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:18:39,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:18:39,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478318121] [2024-11-28 04:18:39,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478318121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:18:39,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:18:39,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:18:39,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191088614] [2024-11-28 04:18:39,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:18:39,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:18:39,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:18:39,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:18:39,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:18:39,831 INFO L87 Difference]: Start difference. First operand 4294 states and 6238 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:18:40,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:18:40,522 INFO L93 Difference]: Finished difference Result 12858 states and 18712 transitions. [2024-11-28 04:18:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:18:40,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 117 [2024-11-28 04:18:40,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:18:40,604 INFO L225 Difference]: With dead ends: 12858 [2024-11-28 04:18:40,604 INFO L226 Difference]: Without dead ends: 8587 [2024-11-28 04:18:40,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:18:40,635 INFO L435 NwaCegarLoop]: 2008 mSDtfsCounter, 1844 mSDsluCounter, 5847 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 7855 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:18:40,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 7855 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:18:40,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8587 states. [2024-11-28 04:18:41,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8587 to 8548. [2024-11-28 04:18:41,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8548 states, 6078 states have (on average 1.3792365909838762) internal successors, (8383), 6468 states have internal predecessors, (8383), 2016 states have call successors, (2016), 454 states have call predecessors, (2016), 453 states have return successors, (2037), 1949 states have call predecessors, (2037), 2015 states have call successors, (2037) [2024-11-28 04:18:41,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8548 states to 8548 states and 12436 transitions. [2024-11-28 04:18:41,307 INFO L78 Accepts]: Start accepts. Automaton has 8548 states and 12436 transitions. Word has length 117 [2024-11-28 04:18:41,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:18:41,310 INFO L471 AbstractCegarLoop]: Abstraction has 8548 states and 12436 transitions. [2024-11-28 04:18:41,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:18:41,310 INFO L276 IsEmpty]: Start isEmpty. Operand 8548 states and 12436 transitions. [2024-11-28 04:18:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 04:18:41,315 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:18:41,315 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:41,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:18:41,315 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:18:41,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:18:41,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1714086343, now seen corresponding path program 1 times [2024-11-28 04:18:41,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:18:41,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863383318] [2024-11-28 04:18:41,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:41,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:18:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:42,722 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:18:42,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:18:42,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863383318] [2024-11-28 04:18:42,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863383318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:18:42,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:18:42,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:18:42,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397879729] [2024-11-28 04:18:42,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:18:42,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:18:42,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:18:42,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:18:42,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:18:42,725 INFO L87 Difference]: Start difference. First operand 8548 states and 12436 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:18:43,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:18:43,541 INFO L93 Difference]: Finished difference Result 25653 states and 37382 transitions. [2024-11-28 04:18:43,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:18:43,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 119 [2024-11-28 04:18:43,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:18:43,687 INFO L225 Difference]: With dead ends: 25653 [2024-11-28 04:18:43,687 INFO L226 Difference]: Without dead ends: 17128 [2024-11-28 04:18:43,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:18:43,741 INFO L435 NwaCegarLoop]: 1857 mSDtfsCounter, 1847 mSDsluCounter, 5543 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 7400 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:18:43,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 7400 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:18:43,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17128 states. [2024-11-28 04:18:44,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17128 to 17085. [2024-11-28 04:18:44,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17085 states, 12155 states have (on average 1.378774167009461) internal successors, (16759), 12931 states have internal predecessors, (16759), 4022 states have call successors, (4022), 908 states have call predecessors, (4022), 907 states have return successors, (4094), 3893 states have call predecessors, (4094), 4021 states have call successors, (4094) [2024-11-28 04:18:44,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17085 states to 17085 states and 24875 transitions. [2024-11-28 04:18:44,907 INFO L78 Accepts]: Start accepts. Automaton has 17085 states and 24875 transitions. Word has length 119 [2024-11-28 04:18:44,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:18:44,908 INFO L471 AbstractCegarLoop]: Abstraction has 17085 states and 24875 transitions. [2024-11-28 04:18:44,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:18:44,909 INFO L276 IsEmpty]: Start isEmpty. Operand 17085 states and 24875 transitions. [2024-11-28 04:18:44,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 04:18:44,913 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:18:44,913 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:44,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:18:44,914 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:18:44,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:18:44,915 INFO L85 PathProgramCache]: Analyzing trace with hash -56580808, now seen corresponding path program 1 times [2024-11-28 04:18:44,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:18:44,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101468963] [2024-11-28 04:18:44,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:44,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:18:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:46,504 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:18:46,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:18:46,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101468963] [2024-11-28 04:18:46,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101468963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:18:46,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:18:46,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:18:46,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973655533] [2024-11-28 04:18:46,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:18:46,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:18:46,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:18:46,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:18:46,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:18:46,507 INFO L87 Difference]: Start difference. First operand 17085 states and 24875 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:18:48,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:18:48,197 INFO L93 Difference]: Finished difference Result 49853 states and 72645 transitions. [2024-11-28 04:18:48,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:18:48,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 120 [2024-11-28 04:18:48,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:18:48,472 INFO L225 Difference]: With dead ends: 49853 [2024-11-28 04:18:48,473 INFO L226 Difference]: Without dead ends: 32791 [2024-11-28 04:18:48,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:18:48,581 INFO L435 NwaCegarLoop]: 1857 mSDtfsCounter, 1848 mSDsluCounter, 5543 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 7400 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:18:48,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1849 Valid, 7400 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:18:48,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32791 states. [2024-11-28 04:18:50,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32791 to 32710. [2024-11-28 04:18:50,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32710 states, 23280 states have (on average 1.3761168384879725) internal successors, (32036), 24735 states have internal predecessors, (32036), 7674 states have call successors, (7674), 1756 states have call predecessors, (7674), 1755 states have return successors, (7886), 7437 states have call predecessors, (7886), 7673 states have call successors, (7886) [2024-11-28 04:18:50,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32710 states to 32710 states and 47596 transitions. [2024-11-28 04:18:50,632 INFO L78 Accepts]: Start accepts. Automaton has 32710 states and 47596 transitions. Word has length 120 [2024-11-28 04:18:50,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:18:50,632 INFO L471 AbstractCegarLoop]: Abstraction has 32710 states and 47596 transitions. [2024-11-28 04:18:50,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 04:18:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 32710 states and 47596 transitions. [2024-11-28 04:18:50,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 04:18:50,636 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:18:50,636 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:18:50,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:18:50,637 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:18:50,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:18:50,638 INFO L85 PathProgramCache]: Analyzing trace with hash -546921472, now seen corresponding path program 1 times [2024-11-28 04:18:50,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:18:50,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968225216] [2024-11-28 04:18:50,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:50,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:18:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:52,239 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-28 04:18:52,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:18:52,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968225216] [2024-11-28 04:18:52,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968225216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:18:52,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238641315] [2024-11-28 04:18:52,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:52,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:18:52,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:18:52,243 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:18:52,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:18:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:54,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 3580 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:18:54,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:18:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:18:55,026 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:18:55,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238641315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:18:55,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:18:55,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-28 04:18:55,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194208988] [2024-11-28 04:18:55,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:18:55,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:18:55,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:18:55,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:18:55,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:18:55,028 INFO L87 Difference]: Start difference. First operand 32710 states and 47596 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 04:18:57,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:18:57,811 INFO L93 Difference]: Finished difference Result 81372 states and 118380 transitions. [2024-11-28 04:18:57,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:18:57,812 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 130 [2024-11-28 04:18:57,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:18:58,105 INFO L225 Difference]: With dead ends: 81372 [2024-11-28 04:18:58,105 INFO L226 Difference]: Without dead ends: 48685 [2024-11-28 04:18:58,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:18:58,225 INFO L435 NwaCegarLoop]: 2955 mSDtfsCounter, 1876 mSDsluCounter, 13658 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1880 SdHoareTripleChecker+Valid, 16613 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:18:58,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1880 Valid, 16613 Invalid, 81 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:18:58,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48685 states. [2024-11-28 04:19:00,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48685 to 43058. [2024-11-28 04:19:00,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43058 states, 30680 states have (on average 1.3716427640156454) internal successors, (42082), 32511 states have internal predecessors, (42082), 10039 states have call successors, (10039), 2323 states have call predecessors, (10039), 2338 states have return successors, (10450), 9740 states have call predecessors, (10450), 10038 states have call successors, (10450) [2024-11-28 04:19:00,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43058 states to 43058 states and 62571 transitions. [2024-11-28 04:19:00,615 INFO L78 Accepts]: Start accepts. Automaton has 43058 states and 62571 transitions. Word has length 130 [2024-11-28 04:19:00,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:00,616 INFO L471 AbstractCegarLoop]: Abstraction has 43058 states and 62571 transitions. [2024-11-28 04:19:00,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 04:19:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 43058 states and 62571 transitions. [2024-11-28 04:19:00,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:19:00,619 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:00,620 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:19:00,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:19:00,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 04:19:00,825 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:19:00,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:00,825 INFO L85 PathProgramCache]: Analyzing trace with hash 902202588, now seen corresponding path program 1 times [2024-11-28 04:19:00,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:00,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145516580] [2024-11-28 04:19:00,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:00,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:19:02,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:02,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145516580] [2024-11-28 04:19:02,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145516580] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:19:02,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976683956] [2024-11-28 04:19:02,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:02,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:19:02,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:19:02,835 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:19:02,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:19:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:05,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 3582 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:19:05,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:05,718 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:19:05,718 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:19:05,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976683956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:05,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:19:05,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-28 04:19:05,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584195239] [2024-11-28 04:19:05,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:05,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:19:05,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:05,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:19:05,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:19:05,721 INFO L87 Difference]: Start difference. First operand 43058 states and 62571 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 04:19:08,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:08,824 INFO L93 Difference]: Finished difference Result 107506 states and 156314 transitions. [2024-11-28 04:19:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:19:08,825 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 131 [2024-11-28 04:19:08,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:09,513 INFO L225 Difference]: With dead ends: 107506 [2024-11-28 04:19:09,514 INFO L226 Difference]: Without dead ends: 64471 [2024-11-28 04:19:09,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:19:09,658 INFO L435 NwaCegarLoop]: 3125 mSDtfsCounter, 1875 mSDsluCounter, 14325 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1879 SdHoareTripleChecker+Valid, 17450 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:09,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1879 Valid, 17450 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:19:09,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64471 states. [2024-11-28 04:19:12,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64471 to 53446. [2024-11-28 04:19:12,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53446 states, 38104 states have (on average 1.3686752047029183) internal successors, (52152), 40335 states have internal predecessors, (52152), 12404 states have call successors, (12404), 2890 states have call predecessors, (12404), 2937 states have return successors, (13022), 12035 states have call predecessors, (13022), 12403 states have call successors, (13022) [2024-11-28 04:19:12,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53446 states to 53446 states and 77578 transitions. [2024-11-28 04:19:12,823 INFO L78 Accepts]: Start accepts. Automaton has 53446 states and 77578 transitions. Word has length 131 [2024-11-28 04:19:12,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:12,823 INFO L471 AbstractCegarLoop]: Abstraction has 53446 states and 77578 transitions. [2024-11-28 04:19:12,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 04:19:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 53446 states and 77578 transitions. [2024-11-28 04:19:12,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 04:19:12,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:12,828 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:19:12,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:19:13,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 04:19:13,029 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:19:13,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:13,029 INFO L85 PathProgramCache]: Analyzing trace with hash 22339417, now seen corresponding path program 1 times [2024-11-28 04:19:13,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:13,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614352056] [2024-11-28 04:19:13,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:13,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:15,054 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:19:15,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:15,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614352056] [2024-11-28 04:19:15,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614352056] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:19:15,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914367077] [2024-11-28 04:19:15,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:15,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:19:15,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:19:15,057 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:19:15,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f2ca9f-051d-4989-85ee-cb956309d185/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:19:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:16,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 3584 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:19:16,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:19:17,324 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-28 04:19:17,324 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:19:17,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914367077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:17,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:19:17,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-28 04:19:17,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846561330] [2024-11-28 04:19:17,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:17,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:19:17,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:17,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:19:17,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:19:17,326 INFO L87 Difference]: Start difference. First operand 53446 states and 77578 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 04:19:20,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:20,405 INFO L93 Difference]: Finished difference Result 128263 states and 186298 transitions. [2024-11-28 04:19:20,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:19:20,406 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 132 [2024-11-28 04:19:20,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:20,834 INFO L225 Difference]: With dead ends: 128263 [2024-11-28 04:19:20,834 INFO L226 Difference]: Without dead ends: 74840 [2024-11-28 04:19:21,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:19:21,049 INFO L435 NwaCegarLoop]: 3125 mSDtfsCounter, 1875 mSDsluCounter, 14326 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1879 SdHoareTripleChecker+Valid, 17451 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:21,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1879 Valid, 17451 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:19:21,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74840 states.