./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/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_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC --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-6497de0 [2024-11-23 23:56:21,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:56:21,089 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:56:21,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:56:21,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:56:21,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:56:21,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:56:21,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:56:21,147 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:56:21,147 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:56:21,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:56:21,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:56:21,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:56:21,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:56:21,149 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:56:21,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:56:21,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:56:21,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:56:21,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:56:21,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:56:21,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:56:21,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:56:21,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:56:21,150 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:56:21,150 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:56:21,150 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:56:21,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:56:21,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:56:21,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:56:21,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:56:21,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:56:21,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:56:21,151 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:56:21,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:56:21,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:56:21,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:56:21,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:56:21,152 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:56:21,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:56:21,152 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:56:21,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:56:21,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:56:21,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:56:21,152 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:56:21,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:56:21,153 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_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-23 23:56:21,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:56:21,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:56:21,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:56:21,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:56:21,521 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:56:21,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2024-11-23 23:56:24,484 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/data/27636c3fb/1ce5a2a337a14b619a271fd26b52b57c/FLAGfdb41f5ef [2024-11-23 23:56:25,291 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:56:25,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2024-11-23 23:56:25,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/data/27636c3fb/1ce5a2a337a14b619a271fd26b52b57c/FLAGfdb41f5ef [2024-11-23 23:56:25,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/data/27636c3fb/1ce5a2a337a14b619a271fd26b52b57c [2024-11-23 23:56:25,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:56:25,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:56:25,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:56:25,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:56:25,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:56:25,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:56:25" (1/1) ... [2024-11-23 23:56:25,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448d3b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:25, skipping insertion in model container [2024-11-23 23:56:25,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:56:25" (1/1) ... [2024-11-23 23:56:25,561 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:56:27,531 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_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/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] [2024-11-23 23:56:27,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:56:27,606 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:56:27,821 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] [2024-11-23 23:56:27,824 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] [2024-11-23 23:56:27,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6355] [2024-11-23 23:56:27,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6363] [2024-11-23 23:56:27,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsb": "+S" (addr), "+c" (count): "d" (port)); [6370] [2024-11-23 23:56:27,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insb": "+D" (addr), "+c" (count): "d" (port)); [6377] [2024-11-23 23:56:28,135 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_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/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] [2024-11-23 23:56:28,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:56:28,235 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:56:28,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28 WrapperNode [2024-11-23 23:56:28,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:56:28,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:56:28,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:56:28,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:56:28,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (1/1) ... [2024-11-23 23:56:28,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (1/1) ... [2024-11-23 23:56:28,510 INFO L138 Inliner]: procedures = 228, calls = 2107, calls flagged for inlining = 106, calls inlined = 86, statements flattened = 3367 [2024-11-23 23:56:28,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:56:28,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:56:28,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:56:28,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:56:28,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (1/1) ... [2024-11-23 23:56:28,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (1/1) ... [2024-11-23 23:56:28,544 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (1/1) ... [2024-11-23 23:56:29,052 INFO L175 MemorySlicer]: Split 921 memory accesses to 32 slices as follows [192, 14, 6, 13, 6, 7, 2, 8, 2, 6, 14, 6, 224, 6, 7, 2, 6, 16, 14, 6, 7, 6, 254, 6, 4, 7, 6, 6, 14, 5, 43, 6]. 28 percent of accesses are in the largest equivalence class. The 362 initializations are split as follows [192, 14, 6, 0, 6, 0, 0, 8, 0, 6, 14, 6, 0, 6, 0, 2, 6, 16, 14, 6, 0, 6, 8, 6, 4, 0, 6, 6, 14, 4, 0, 6]. The 356 writes are split as follows [0, 0, 0, 13, 0, 6, 0, 0, 0, 0, 0, 0, 192, 0, 6, 0, 0, 0, 0, 0, 6, 0, 84, 0, 0, 6, 0, 0, 0, 0, 43, 0]. [2024-11-23 23:56:29,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (1/1) ... [2024-11-23 23:56:29,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (1/1) ... [2024-11-23 23:56:29,182 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (1/1) ... [2024-11-23 23:56:29,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (1/1) ... [2024-11-23 23:56:29,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (1/1) ... [2024-11-23 23:56:29,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (1/1) ... [2024-11-23 23:56:29,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (1/1) ... [2024-11-23 23:56:29,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:56:29,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:56:29,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:56:29,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:56:29,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (1/1) ... [2024-11-23 23:56:29,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:56:29,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:56:29,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:56:29,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:56:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2024-11-23 23:56:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2024-11-23 23:56:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2024-11-23 23:56:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2024-11-23 23:56:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2024-11-23 23:56:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2024-11-23 23:56:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:56:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:56:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:56:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:56:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 23:56:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 23:56:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 23:56:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 23:56:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 23:56:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 23:56:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 23:56:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 23:56:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 23:56:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 23:56:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 23:56:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 23:56:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 23:56:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 23:56:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 23:56:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-23 23:56:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-23 23:56:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-23 23:56:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-23 23:56:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-23 23:56:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-23 23:56:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-23 23:56:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-23 23:56:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-11-23 23:56:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-11-23 23:56:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-11-23 23:56:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-11-23 23:56:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2024-11-23 23:56:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 23:56:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 23:56:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 23:56:29,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 23:56:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-23 23:56:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-23 23:56:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:56:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:56:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2024-11-23 23:56:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2024-11-23 23:56:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2024-11-23 23:56:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2024-11-23 23:56:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2024-11-23 23:56:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2024-11-23 23:56:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-23 23:56:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-23 23:56:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2024-11-23 23:56:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2024-11-23 23:56:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 23:56:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 23:56:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:56:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:56:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2024-11-23 23:56:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2024-11-23 23:56:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-23 23:56:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-23 23:56:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2024-11-23 23:56:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2024-11-23 23:56:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2024-11-23 23:56:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2024-11-23 23:56:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-23 23:56:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-23 23:56:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2024-11-23 23:56:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 23:56:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 23:56:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 23:56:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 23:56:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 23:56:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 23:56:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 23:56:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-23 23:56:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-23 23:56:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-23 23:56:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-23 23:56:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-23 23:56:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-23 23:56:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-23 23:56:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-23 23:56:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-11-23 23:56:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-11-23 23:56:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-11-23 23:56:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-11-23 23:56:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-11-23 23:56:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-23 23:56:29,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-23 23:56:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-23 23:56:29,406 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-23 23:56:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:56:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 23:56:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 23:56:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 23:56:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 23:56:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 23:56:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 23:56:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 23:56:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 23:56:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 23:56:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 23:56:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 23:56:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 23:56:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 23:56:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-23 23:56:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-23 23:56:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-23 23:56:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-23 23:56:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 23:56:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-23 23:56:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2024-11-23 23:56:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2024-11-23 23:56:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2024-11-23 23:56:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2024-11-23 23:56:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-23 23:56:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-23 23:56:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-23 23:56:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-23 23:56:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2024-11-23 23:56:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2024-11-23 23:56:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2024-11-23 23:56:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2024-11-23 23:56:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2024-11-23 23:56:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2024-11-23 23:56:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:56:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:56:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:56:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:56:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:56:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:56:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 23:56:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 23:56:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 23:56:29,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 23:56:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 23:56:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 23:56:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 23:56:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 23:56:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 23:56:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 23:56:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 23:56:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 23:56:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:56:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-23 23:56:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-11-23 23:56:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-11-23 23:56:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-11-23 23:56:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-11-23 23:56:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-11-23 23:56:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2024-11-23 23:56:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2024-11-23 23:56:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-23 23:56:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-23 23:56:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-23 23:56:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-23 23:56:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-23 23:56:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-23 23:56:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2024-11-23 23:56:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2024-11-23 23:56:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-23 23:56:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-23 23:56:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 23:56:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 23:56:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2024-11-23 23:56:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2024-11-23 23:56:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2024-11-23 23:56:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2024-11-23 23:56:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:56:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:56:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:56:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:56:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:56:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:56:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:56:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:56:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:56:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:56:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:56:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 23:56:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 23:56:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 23:56:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 23:56:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 23:56:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 23:56:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 23:56:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 23:56:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-23 23:56:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-23 23:56:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-23 23:56:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-23 23:56:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-23 23:56:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-23 23:56:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-23 23:56:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2024-11-23 23:56:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-23 23:56:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2024-11-23 23:56:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-23 23:56:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 23:56:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-23 23:56:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-23 23:56:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-23 23:56:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2024-11-23 23:56:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2024-11-23 23:56:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-23 23:56:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-23 23:56:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:56:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2024-11-23 23:56:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2024-11-23 23:56:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2024-11-23 23:56:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2024-11-23 23:56:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:56:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:56:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:56:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:56:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:56:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:56:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 23:56:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 23:56:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 23:56:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 23:56:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 23:56:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 23:56:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 23:56:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 23:56:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 23:56:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 23:56:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 23:56:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 23:56:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 23:56:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-23 23:56:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-23 23:56:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-23 23:56:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-23 23:56:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-23 23:56:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-23 23:56:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-23 23:56:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-23 23:56:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-11-23 23:56:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-11-23 23:56:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-11-23 23:56:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-11-23 23:56:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-11-23 23:56:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-23 23:56:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-23 23:56:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2024-11-23 23:56:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2024-11-23 23:56:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2024-11-23 23:56:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2024-11-23 23:56:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2024-11-23 23:56:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2024-11-23 23:56:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2024-11-23 23:56:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2024-11-23 23:56:29,424 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2024-11-23 23:56:29,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-23 23:56:29,424 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2024-11-23 23:56:29,424 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-23 23:56:29,424 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-23 23:56:29,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:56:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:56:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 23:56:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 23:56:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 23:56:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 23:56:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 23:56:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 23:56:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 23:56:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 23:56:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-23 23:56:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-23 23:56:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-23 23:56:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-23 23:56:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-23 23:56:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-23 23:56:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-23 23:56:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-23 23:56:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-11-23 23:56:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-11-23 23:56:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-11-23 23:56:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-11-23 23:56:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-11-23 23:56:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-23 23:56:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-23 23:56:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:56:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:56:30,314 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:56:30,318 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:56:30,378 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 23:56:39,321 INFO L? ?]: Removed 1110 outVars from TransFormulas that were not future-live. [2024-11-23 23:56:39,321 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:56:39,380 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:56:39,384 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-23 23:56:39,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:56:39 BoogieIcfgContainer [2024-11-23 23:56:39,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:56:39,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:56:39,390 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:56:39,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:56:39,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:56:25" (1/3) ... [2024-11-23 23:56:39,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569db2f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:56:39, skipping insertion in model container [2024-11-23 23:56:39,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:56:28" (2/3) ... [2024-11-23 23:56:39,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569db2f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:56:39, skipping insertion in model container [2024-11-23 23:56:39,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:56:39" (3/3) ... [2024-11-23 23:56:39,403 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2024-11-23 23:56:39,424 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:56:39,427 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. [2024-11-23 23:56:39,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:56:39,574 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;@1499c0ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:56:39,575 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:56:39,585 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) [2024-11-23 23:56:39,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 23:56:39,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:56:39,599 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] [2024-11-23 23:56:39,600 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:56:39,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:56:39,606 INFO L85 PathProgramCache]: Analyzing trace with hash 745809999, now seen corresponding path program 1 times [2024-11-23 23:56:39,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:56:39,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293752601] [2024-11-23 23:56:39,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:56:39,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:56:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:56:41,659 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-23 23:56:41,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:56:41,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293752601] [2024-11-23 23:56:41,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293752601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:56:41,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46283404] [2024-11-23 23:56:41,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:56:41,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:56:41,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:56:41,665 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:56:41,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:56:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:56:43,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 3101 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:56:43,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:56:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 23:56:43,894 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:56:43,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46283404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:56:43,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:56:43,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:56:43,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196112568] [2024-11-23 23:56:43,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:56:43,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:56:43,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:56:43,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:56:43,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:56:43,931 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) [2024-11-23 23:56:44,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:56:44,159 INFO L93 Difference]: Finished difference Result 2583 states and 3815 transitions. [2024-11-23 23:56:44,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:56:44,161 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 [2024-11-23 23:56:44,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:56:44,197 INFO L225 Difference]: With dead ends: 2583 [2024-11-23 23:56:44,197 INFO L226 Difference]: Without dead ends: 1277 [2024-11-23 23:56:44,216 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 [2024-11-23 23:56:44,220 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 [2024-11-23 23:56:44,220 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] [2024-11-23 23:56:44,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2024-11-23 23:56:44,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1277. [2024-11-23 23:56:44,352 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) [2024-11-23 23:56:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1861 transitions. [2024-11-23 23:56:44,375 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1861 transitions. Word has length 64 [2024-11-23 23:56:44,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:56:44,376 INFO L471 AbstractCegarLoop]: Abstraction has 1277 states and 1861 transitions. [2024-11-23 23:56:44,377 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) [2024-11-23 23:56:44,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1861 transitions. [2024-11-23 23:56:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 23:56:44,380 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:56:44,380 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] [2024-11-23 23:56:44,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:56:44,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:56:44,581 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:56:44,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:56:44,582 INFO L85 PathProgramCache]: Analyzing trace with hash -2023023275, now seen corresponding path program 1 times [2024-11-23 23:56:44,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:56:44,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224967785] [2024-11-23 23:56:44,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:56:44,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:56:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:56:46,268 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-23 23:56:46,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:56:46,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224967785] [2024-11-23 23:56:46,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224967785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:56:46,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:56:46,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:56:46,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631517811] [2024-11-23 23:56:46,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:56:46,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:56:46,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:56:46,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:56:46,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:56:46,273 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) [2024-11-23 23:56:46,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:56:46,741 INFO L93 Difference]: Finished difference Result 3386 states and 4947 transitions. [2024-11-23 23:56:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:56:46,742 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 [2024-11-23 23:56:46,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:56:46,779 INFO L225 Difference]: With dead ends: 3386 [2024-11-23 23:56:46,779 INFO L226 Difference]: Without dead ends: 2118 [2024-11-23 23:56:46,791 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 [2024-11-23 23:56:46,793 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, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:56:46,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1243 Valid, 3723 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:56:46,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2024-11-23 23:56:47,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 2113. [2024-11-23 23:56:47,031 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) [2024-11-23 23:56:47,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 3093 transitions. [2024-11-23 23:56:47,067 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 3093 transitions. Word has length 64 [2024-11-23 23:56:47,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:56:47,068 INFO L471 AbstractCegarLoop]: Abstraction has 2113 states and 3093 transitions. [2024-11-23 23:56:47,068 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) [2024-11-23 23:56:47,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 3093 transitions. [2024-11-23 23:56:47,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-23 23:56:47,079 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:56:47,080 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] [2024-11-23 23:56:47,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:56:47,080 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:56:47,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:56:47,081 INFO L85 PathProgramCache]: Analyzing trace with hash 190120773, now seen corresponding path program 1 times [2024-11-23 23:56:47,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:56:47,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208037430] [2024-11-23 23:56:47,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:56:47,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:56:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:56:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-23 23:56:48,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:56:48,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208037430] [2024-11-23 23:56:48,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208037430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:56:48,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:56:48,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:56:48,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494102323] [2024-11-23 23:56:48,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:56:48,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:56:48,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:56:48,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:56:48,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:56:48,584 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) [2024-11-23 23:56:52,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:56:52,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:56:52,883 INFO L93 Difference]: Finished difference Result 4208 states and 6165 transitions. [2024-11-23 23:56:52,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:56:52,883 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 [2024-11-23 23:56:52,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:56:52,909 INFO L225 Difference]: With dead ends: 4208 [2024-11-23 23:56:52,909 INFO L226 Difference]: Without dead ends: 2113 [2024-11-23 23:56:52,986 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 [2024-11-23 23:56:52,992 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 [2024-11-23 23:56:52,993 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] [2024-11-23 23:56:52,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2024-11-23 23:56:53,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2113. [2024-11-23 23:56:53,137 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) [2024-11-23 23:56:53,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 3092 transitions. [2024-11-23 23:56:53,162 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 3092 transitions. Word has length 99 [2024-11-23 23:56:53,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:56:53,164 INFO L471 AbstractCegarLoop]: Abstraction has 2113 states and 3092 transitions. [2024-11-23 23:56:53,164 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) [2024-11-23 23:56:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 3092 transitions. [2024-11-23 23:56:53,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 23:56:53,170 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:56:53,170 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] [2024-11-23 23:56:53,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:56:53,170 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:56:53,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:56:53,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1797528433, now seen corresponding path program 1 times [2024-11-23 23:56:53,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:56:53,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075443313] [2024-11-23 23:56:53,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:56:53,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:56:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:56:54,572 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-23 23:56:54,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:56:54,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075443313] [2024-11-23 23:56:54,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075443313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:56:54,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:56:54,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:56:54,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281225976] [2024-11-23 23:56:54,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:56:54,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:56:54,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:56:54,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:56:54,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:56:54,575 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) [2024-11-23 23:56:54,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:56:54,690 INFO L93 Difference]: Finished difference Result 2118 states and 3098 transitions. [2024-11-23 23:56:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:56:54,691 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 [2024-11-23 23:56:54,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:56:54,711 INFO L225 Difference]: With dead ends: 2118 [2024-11-23 23:56:54,711 INFO L226 Difference]: Without dead ends: 2115 [2024-11-23 23:56:54,713 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 [2024-11-23 23:56:54,714 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 [2024-11-23 23:56:54,715 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] [2024-11-23 23:56:54,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2024-11-23 23:56:54,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 2115. [2024-11-23 23:56:54,837 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) [2024-11-23 23:56:54,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 3094 transitions. [2024-11-23 23:56:54,857 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 3094 transitions. Word has length 116 [2024-11-23 23:56:54,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:56:54,858 INFO L471 AbstractCegarLoop]: Abstraction has 2115 states and 3094 transitions. [2024-11-23 23:56:54,859 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) [2024-11-23 23:56:54,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 3094 transitions. [2024-11-23 23:56:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:56:54,867 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:56:54,867 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] [2024-11-23 23:56:54,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:56:54,868 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:56:54,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:56:54,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1355828748, now seen corresponding path program 1 times [2024-11-23 23:56:54,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:56:54,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156783934] [2024-11-23 23:56:54,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:56:54,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:56:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:56:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-23 23:56:57,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:56:57,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156783934] [2024-11-23 23:56:57,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156783934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:56:57,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:56:57,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:56:57,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930796382] [2024-11-23 23:56:57,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:56:57,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:56:57,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:56:57,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:56:57,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:56:57,106 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) [2024-11-23 23:56:57,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:56:57,334 INFO L93 Difference]: Finished difference Result 4252 states and 6204 transitions. [2024-11-23 23:56:57,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:56:57,334 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 [2024-11-23 23:56:57,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:56:57,358 INFO L225 Difference]: With dead ends: 4252 [2024-11-23 23:56:57,358 INFO L226 Difference]: Without dead ends: 2156 [2024-11-23 23:56:57,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:56:57,374 INFO L435 NwaCegarLoop]: 1881 mSDtfsCounter, 502 mSDsluCounter, 3223 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:56:57,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 5104 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:56:57,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2024-11-23 23:56:57,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 2156. [2024-11-23 23:56:57,503 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) [2024-11-23 23:56:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 2156 states and 3129 transitions. [2024-11-23 23:56:57,524 INFO L78 Accepts]: Start accepts. Automaton has 2156 states and 3129 transitions. Word has length 118 [2024-11-23 23:56:57,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:56:57,526 INFO L471 AbstractCegarLoop]: Abstraction has 2156 states and 3129 transitions. [2024-11-23 23:56:57,527 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) [2024-11-23 23:56:57,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 3129 transitions. [2024-11-23 23:56:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-23 23:56:57,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:56:57,536 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] [2024-11-23 23:56:57,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:56:57,540 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:56:57,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:56:57,541 INFO L85 PathProgramCache]: Analyzing trace with hash 636533339, now seen corresponding path program 1 times [2024-11-23 23:56:57,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:56:57,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877256500] [2024-11-23 23:56:57,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:56:57,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:56:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:56:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 23:56:59,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:56:59,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877256500] [2024-11-23 23:56:59,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877256500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:56:59,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:56:59,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:56:59,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507784820] [2024-11-23 23:56:59,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:56:59,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:56:59,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:56:59,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:56:59,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:56:59,466 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) [2024-11-23 23:57:00,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:00,009 INFO L93 Difference]: Finished difference Result 6434 states and 9359 transitions. [2024-11-23 23:57:00,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:57:00,010 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 [2024-11-23 23:57:00,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:00,052 INFO L225 Difference]: With dead ends: 6434 [2024-11-23 23:57:00,052 INFO L226 Difference]: Without dead ends: 4301 [2024-11-23 23:57:00,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:57:00,071 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:57:00,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 7886 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:57:00,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4301 states. [2024-11-23 23:57:00,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4301 to 4294. [2024-11-23 23:57:00,322 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) [2024-11-23 23:57:00,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4294 states to 4294 states and 6238 transitions. [2024-11-23 23:57:00,362 INFO L78 Accepts]: Start accepts. Automaton has 4294 states and 6238 transitions. Word has length 118 [2024-11-23 23:57:00,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:00,363 INFO L471 AbstractCegarLoop]: Abstraction has 4294 states and 6238 transitions. [2024-11-23 23:57:00,363 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) [2024-11-23 23:57:00,363 INFO L276 IsEmpty]: Start isEmpty. Operand 4294 states and 6238 transitions. [2024-11-23 23:57:00,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-23 23:57:00,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:00,369 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] [2024-11-23 23:57:00,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:57:00,370 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:00,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:00,370 INFO L85 PathProgramCache]: Analyzing trace with hash 68406076, now seen corresponding path program 1 times [2024-11-23 23:57:00,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:00,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544787983] [2024-11-23 23:57:00,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:00,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:02,252 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 23:57:02,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:02,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544787983] [2024-11-23 23:57:02,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544787983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:02,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:57:02,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:57:02,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336690659] [2024-11-23 23:57:02,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:02,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:57:02,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:02,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:57:02,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:57:02,255 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) [2024-11-23 23:57:02,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:02,988 INFO L93 Difference]: Finished difference Result 12858 states and 18712 transitions. [2024-11-23 23:57:02,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:57:02,990 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 [2024-11-23 23:57:02,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:03,078 INFO L225 Difference]: With dead ends: 12858 [2024-11-23 23:57:03,079 INFO L226 Difference]: Without dead ends: 8587 [2024-11-23 23:57:03,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:57:03,115 INFO L435 NwaCegarLoop]: 2008 mSDtfsCounter, 1844 mSDsluCounter, 5847 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-23 23:57:03,116 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] [2024-11-23 23:57:03,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8587 states. [2024-11-23 23:57:03,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8587 to 8548. [2024-11-23 23:57:03,835 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) [2024-11-23 23:57:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8548 states to 8548 states and 12436 transitions. [2024-11-23 23:57:03,928 INFO L78 Accepts]: Start accepts. Automaton has 8548 states and 12436 transitions. Word has length 117 [2024-11-23 23:57:03,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:03,929 INFO L471 AbstractCegarLoop]: Abstraction has 8548 states and 12436 transitions. [2024-11-23 23:57:03,929 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) [2024-11-23 23:57:03,930 INFO L276 IsEmpty]: Start isEmpty. Operand 8548 states and 12436 transitions. [2024-11-23 23:57:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-23 23:57:03,935 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:03,936 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] [2024-11-23 23:57:03,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:57:03,936 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:03,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:03,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1714086343, now seen corresponding path program 1 times [2024-11-23 23:57:03,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:03,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238527380] [2024-11-23 23:57:03,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:03,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 23:57:06,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:06,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238527380] [2024-11-23 23:57:06,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238527380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:06,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:57:06,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:57:06,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465784831] [2024-11-23 23:57:06,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:06,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:57:06,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:06,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:57:06,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:57:06,081 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) [2024-11-23 23:57:07,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:07,188 INFO L93 Difference]: Finished difference Result 25653 states and 37382 transitions. [2024-11-23 23:57:07,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:57:07,189 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 [2024-11-23 23:57:07,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:07,387 INFO L225 Difference]: With dead ends: 25653 [2024-11-23 23:57:07,387 INFO L226 Difference]: Without dead ends: 17128 [2024-11-23 23:57:07,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:57:07,453 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 [2024-11-23 23:57:07,453 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] [2024-11-23 23:57:07,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17128 states. [2024-11-23 23:57:08,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17128 to 17085. [2024-11-23 23:57:08,671 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) [2024-11-23 23:57:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17085 states to 17085 states and 24875 transitions. [2024-11-23 23:57:08,837 INFO L78 Accepts]: Start accepts. Automaton has 17085 states and 24875 transitions. Word has length 119 [2024-11-23 23:57:08,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:08,837 INFO L471 AbstractCegarLoop]: Abstraction has 17085 states and 24875 transitions. [2024-11-23 23:57:08,839 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) [2024-11-23 23:57:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 17085 states and 24875 transitions. [2024-11-23 23:57:08,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 23:57:08,845 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:08,845 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] [2024-11-23 23:57:08,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:57:08,845 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:08,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:08,846 INFO L85 PathProgramCache]: Analyzing trace with hash -56580808, now seen corresponding path program 1 times [2024-11-23 23:57:08,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:08,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583507251] [2024-11-23 23:57:08,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:08,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 23:57:10,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:10,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583507251] [2024-11-23 23:57:10,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583507251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:10,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:57:10,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:57:10,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229051868] [2024-11-23 23:57:10,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:10,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:57:10,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:10,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:57:10,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:57:10,514 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) [2024-11-23 23:57:12,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:12,020 INFO L93 Difference]: Finished difference Result 49853 states and 72645 transitions. [2024-11-23 23:57:12,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:57:12,020 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 [2024-11-23 23:57:12,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:12,243 INFO L225 Difference]: With dead ends: 49853 [2024-11-23 23:57:12,244 INFO L226 Difference]: Without dead ends: 32791 [2024-11-23 23:57:12,328 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 [2024-11-23 23:57:12,330 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 [2024-11-23 23:57:12,330 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] [2024-11-23 23:57:12,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32791 states. [2024-11-23 23:57:14,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32791 to 32710. [2024-11-23 23:57:14,477 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) [2024-11-23 23:57:14,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32710 states to 32710 states and 47596 transitions. [2024-11-23 23:57:14,644 INFO L78 Accepts]: Start accepts. Automaton has 32710 states and 47596 transitions. Word has length 120 [2024-11-23 23:57:14,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:14,644 INFO L471 AbstractCegarLoop]: Abstraction has 32710 states and 47596 transitions. [2024-11-23 23:57:14,644 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) [2024-11-23 23:57:14,644 INFO L276 IsEmpty]: Start isEmpty. Operand 32710 states and 47596 transitions. [2024-11-23 23:57:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-23 23:57:14,647 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:14,648 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] [2024-11-23 23:57:14,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:57:14,649 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:14,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:14,649 INFO L85 PathProgramCache]: Analyzing trace with hash -546921472, now seen corresponding path program 1 times [2024-11-23 23:57:14,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:14,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340609161] [2024-11-23 23:57:14,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:14,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-23 23:57:16,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:16,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340609161] [2024-11-23 23:57:16,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340609161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:57:16,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117780665] [2024-11-23 23:57:16,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:16,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:57:16,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:57:16,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:57:16,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:57:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:19,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 3580 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:57:19,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:57:19,602 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 23:57:19,603 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:57:19,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117780665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:19,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:57:19,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-23 23:57:19,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058285023] [2024-11-23 23:57:19,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:19,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:57:19,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:19,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:57:19,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:57:19,606 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) [2024-11-23 23:57:22,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:22,401 INFO L93 Difference]: Finished difference Result 81372 states and 118380 transitions. [2024-11-23 23:57:22,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:57:22,402 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 [2024-11-23 23:57:22,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:22,712 INFO L225 Difference]: With dead ends: 81372 [2024-11-23 23:57:22,713 INFO L226 Difference]: Without dead ends: 48685 [2024-11-23 23:57:22,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:57:22,837 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 [2024-11-23 23:57:22,837 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] [2024-11-23 23:57:22,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48685 states. [2024-11-23 23:57:25,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48685 to 43058. [2024-11-23 23:57:25,104 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) [2024-11-23 23:57:25,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43058 states to 43058 states and 62571 transitions. [2024-11-23 23:57:25,417 INFO L78 Accepts]: Start accepts. Automaton has 43058 states and 62571 transitions. Word has length 130 [2024-11-23 23:57:25,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:25,418 INFO L471 AbstractCegarLoop]: Abstraction has 43058 states and 62571 transitions. [2024-11-23 23:57:25,418 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) [2024-11-23 23:57:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 43058 states and 62571 transitions. [2024-11-23 23:57:25,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:57:25,423 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:25,423 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] [2024-11-23 23:57:25,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:57:25,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-23 23:57:25,629 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:25,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:25,629 INFO L85 PathProgramCache]: Analyzing trace with hash 902202588, now seen corresponding path program 1 times [2024-11-23 23:57:25,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:25,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013628065] [2024-11-23 23:57:25,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:25,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 23:57:27,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:27,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013628065] [2024-11-23 23:57:27,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013628065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:57:27,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678767424] [2024-11-23 23:57:27,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:27,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:57:27,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:57:27,651 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:57:27,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:57:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:29,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 3582 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:57:29,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:57:30,119 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 23:57:30,120 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:57:30,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678767424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:30,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:57:30,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-23 23:57:30,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480789598] [2024-11-23 23:57:30,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:30,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:57:30,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:30,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:57:30,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:57:30,122 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) [2024-11-23 23:57:32,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:32,505 INFO L93 Difference]: Finished difference Result 107506 states and 156314 transitions. [2024-11-23 23:57:32,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:57:32,506 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 [2024-11-23 23:57:32,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:32,908 INFO L225 Difference]: With dead ends: 107506 [2024-11-23 23:57:32,908 INFO L226 Difference]: Without dead ends: 64471 [2024-11-23 23:57:33,076 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 [2024-11-23 23:57:33,077 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 [2024-11-23 23:57:33,077 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] [2024-11-23 23:57:33,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64471 states. [2024-11-23 23:57:36,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64471 to 53446. [2024-11-23 23:57:36,119 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) [2024-11-23 23:57:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53446 states to 53446 states and 77578 transitions. [2024-11-23 23:57:36,732 INFO L78 Accepts]: Start accepts. Automaton has 53446 states and 77578 transitions. Word has length 131 [2024-11-23 23:57:36,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:36,733 INFO L471 AbstractCegarLoop]: Abstraction has 53446 states and 77578 transitions. [2024-11-23 23:57:36,733 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) [2024-11-23 23:57:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 53446 states and 77578 transitions. [2024-11-23 23:57:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-23 23:57:36,737 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:36,737 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] [2024-11-23 23:57:36,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:57:36,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-23 23:57:36,938 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:36,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:36,941 INFO L85 PathProgramCache]: Analyzing trace with hash 22339417, now seen corresponding path program 1 times [2024-11-23 23:57:36,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:36,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045797422] [2024-11-23 23:57:36,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:36,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 23:57:39,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:39,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045797422] [2024-11-23 23:57:39,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045797422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:57:39,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849416200] [2024-11-23 23:57:39,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:39,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:57:39,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:57:39,152 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:57:39,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:57:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:41,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 3584 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:57:41,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:57:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 23:57:41,857 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:57:41,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849416200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:41,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:57:41,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-23 23:57:41,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293759646] [2024-11-23 23:57:41,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:41,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:57:41,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:41,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:57:41,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:57:41,860 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) [2024-11-23 23:57:44,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:44,621 INFO L93 Difference]: Finished difference Result 128263 states and 186298 transitions. [2024-11-23 23:57:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:57:44,622 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 [2024-11-23 23:57:44,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:45,098 INFO L225 Difference]: With dead ends: 128263 [2024-11-23 23:57:45,099 INFO L226 Difference]: Without dead ends: 74840 [2024-11-23 23:57:45,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:57:45,319 INFO L435 NwaCegarLoop]: 3125 mSDtfsCounter, 1875 mSDsluCounter, 14326 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-23 23:57:45,319 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] [2024-11-23 23:57:45,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74840 states. [2024-11-23 23:57:47,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74840 to 53478. [2024-11-23 23:57:47,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53478 states, 38128 states have (on average 1.3684431389005456) internal successors, (52176), 40359 states have internal predecessors, (52176), 12404 states have call successors, (12404), 2890 states have call predecessors, (12404), 2945 states have return successors, (13034), 12043 states have call predecessors, (13034), 12403 states have call successors, (13034) [2024-11-23 23:57:47,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53478 states to 53478 states and 77614 transitions. [2024-11-23 23:57:48,373 INFO L78 Accepts]: Start accepts. Automaton has 53478 states and 77614 transitions. Word has length 132 [2024-11-23 23:57:48,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:57:48,375 INFO L471 AbstractCegarLoop]: Abstraction has 53478 states and 77614 transitions. [2024-11-23 23:57:48,376 INFO L472 AbstractCegarLoop]: INTERPOLANT 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) [2024-11-23 23:57:48,376 INFO L276 IsEmpty]: Start isEmpty. Operand 53478 states and 77614 transitions. [2024-11-23 23:57:48,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 23:57:48,380 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:57:48,381 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, 1] [2024-11-23 23:57:48,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 23:57:48,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-23 23:57:48,581 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:57:48,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:57:48,582 INFO L85 PathProgramCache]: Analyzing trace with hash -41683883, now seen corresponding path program 1 times [2024-11-23 23:57:48,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:57:48,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801095566] [2024-11-23 23:57:48,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:48,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:57:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 23:57:50,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:57:50,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801095566] [2024-11-23 23:57:50,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801095566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:57:50,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678946391] [2024-11-23 23:57:50,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:57:50,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:57:50,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:57:50,927 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:57:50,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd6eb822-b8fe-44a6-8b91-dc7bc1bb7cb6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:57:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:57:53,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 3586 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:57:53,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:57:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 23:57:53,960 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:57:53,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678946391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:57:53,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:57:53,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-23 23:57:53,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725288822] [2024-11-23 23:57:53,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:57:53,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:57:53,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:57:53,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:57:53,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:57:53,964 INFO L87 Difference]: Start difference. First operand 53478 states and 77614 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 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) [2024-11-23 23:57:56,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:57:56,633 INFO L93 Difference]: Finished difference Result 128311 states and 186350 transitions. [2024-11-23 23:57:56,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:57:56,633 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 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 133 [2024-11-23 23:57:56,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:57:57,326 INFO L225 Difference]: With dead ends: 128311 [2024-11-23 23:57:57,327 INFO L226 Difference]: Without dead ends: 74856 [2024-11-23 23:57:57,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-23 23:57:57,518 INFO L435 NwaCegarLoop]: 3125 mSDtfsCounter, 1875 mSDsluCounter, 14326 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-23 23:57:57,518 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] [2024-11-23 23:57:57,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74856 states.