./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 736eaba23c3fcb2b5a61b7fe9adbcb1ebd28d5faf5e1ded37bccbc064c3bb981 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:18:16,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:18:16,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 23:18:16,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:18:16,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:18:16,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:18:16,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:18:16,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:18:16,838 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:18:16,838 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:18:16,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:18:16,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:18:16,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:18:16,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:18:16,840 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:18:16,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:18:16,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:18:16,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:18:16,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:18:16,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:18:16,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:18:16,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:18:16,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:18:16,841 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:18:16,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:18:16,841 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:18:16,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:18:16,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:18:16,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:18:16,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:18:16,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:18:16,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:18:16,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:18:16,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:18:16,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:18:16,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:18:16,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:18:16,843 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:18:16,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:18:16,843 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:18:16,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:18:16,843 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:18:16,843 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:18:16,843 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:18:16,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:18:16,843 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_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 736eaba23c3fcb2b5a61b7fe9adbcb1ebd28d5faf5e1ded37bccbc064c3bb981 [2024-11-27 23:18:17,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:18:17,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:18:17,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:18:17,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:18:17,179 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:18:17,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2024-11-27 23:18:20,219 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB/data/8bec2ac6b/724cc392028d478bac46ab134a13b48a/FLAGd1d2164f9 [2024-11-27 23:18:20,960 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:18:20,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2024-11-27 23:18:21,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB/data/8bec2ac6b/724cc392028d478bac46ab134a13b48a/FLAGd1d2164f9 [2024-11-27 23:18:21,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB/data/8bec2ac6b/724cc392028d478bac46ab134a13b48a [2024-11-27 23:18:21,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:18:21,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:18:21,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:18:21,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:18:21,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:18:21,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:18:21" (1/1) ... [2024-11-27 23:18:21,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74239d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:21, skipping insertion in model container [2024-11-27 23:18:21,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:18:21" (1/1) ... [2024-11-27 23:18:21,193 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:18:22,622 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_ebb5e85c-90ee-42b1-813a-a8621ad6d297/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i[220631,220644] [2024-11-27 23:18:22,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:18:22,811 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:18:22,990 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,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5268-5269] [2024-11-27 23:18:22,992 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,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5276-5277] [2024-11-27 23:18:22,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [5290-5291] [2024-11-27 23:18:22,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5298] [2024-11-27 23:18:23,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5348] [2024-11-27 23:18:23,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5351] [2024-11-27 23:18:23,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5354] [2024-11-27 23:18:23,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5357] [2024-11-27 23:18:23,265 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_ebb5e85c-90ee-42b1-813a-a8621ad6d297/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i[220631,220644] [2024-11-27 23:18:23,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:18:23,426 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:18:23,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23 WrapperNode [2024-11-27 23:18:23,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:18:23,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:18:23,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:18:23,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:18:23,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (1/1) ... [2024-11-27 23:18:23,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (1/1) ... [2024-11-27 23:18:23,693 INFO L138 Inliner]: procedures = 181, calls = 2379, calls flagged for inlining = 63, calls inlined = 41, statements flattened = 3596 [2024-11-27 23:18:23,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:18:23,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:18:23,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:18:23,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:18:23,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (1/1) ... [2024-11-27 23:18:23,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (1/1) ... [2024-11-27 23:18:23,733 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (1/1) ... [2024-11-27 23:18:23,957 INFO L175 MemorySlicer]: Split 1523 memory accesses to 19 slices as follows [2, 5, 8, 2, 19, 19, 243, 68, 18, 18, 17, 18, 18, 258, 258, 258, 18, 258, 18]. 17 percent of accesses are in the largest equivalence class. The 203 initializations are split as follows [2, 5, 8, 0, 16, 16, 12, 64, 16, 16, 16, 16, 16, 0, 0, 0, 0, 0, 0]. The 1154 writes are split as follows [0, 0, 0, 1, 0, 0, 91, 0, 0, 0, 0, 0, 0, 257, 257, 257, 17, 257, 17]. [2024-11-27 23:18:23,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (1/1) ... [2024-11-27 23:18:23,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (1/1) ... [2024-11-27 23:18:24,081 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (1/1) ... [2024-11-27 23:18:24,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (1/1) ... [2024-11-27 23:18:24,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (1/1) ... [2024-11-27 23:18:24,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (1/1) ... [2024-11-27 23:18:24,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (1/1) ... [2024-11-27 23:18:24,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:18:24,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:18:24,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:18:24,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:18:24,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (1/1) ... [2024-11-27 23:18:24,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:18:24,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:18:24,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:18:24,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb5e85c-90ee-42b1-813a-a8621ad6d297/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:18:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2024-11-27 23:18:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2024-11-27 23:18:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-27 23:18:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-27 23:18:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 23:18:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 23:18:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 23:18:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 23:18:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 23:18:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 23:18:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 23:18:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 23:18:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 23:18:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 23:18:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 23:18:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 23:18:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 23:18:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 23:18:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 23:18:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 23:18:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 23:18:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-27 23:18:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-27 23:18:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-27 23:18:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-27 23:18:24,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-27 23:18:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-27 23:18:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 23:18:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 23:18:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 23:18:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 23:18:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 23:18:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 23:18:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 23:18:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 23:18:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 23:18:24,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 23:18:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 23:18:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 23:18:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 23:18:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 23:18:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 23:18:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 23:18:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 23:18:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-27 23:18:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-27 23:18:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:18:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:18:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 23:18:24,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 23:18:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 23:18:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 23:18:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 23:18:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 23:18:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 23:18:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 23:18:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 23:18:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 23:18:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 23:18:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 23:18:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 23:18:24,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 23:18:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 23:18:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-27 23:18:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-27 23:18:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2024-11-27 23:18:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2024-11-27 23:18:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-27 23:18:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-27 23:18:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-27 23:18:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-27 23:18:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-27 23:18:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-27 23:18:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-27 23:18:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-27 23:18:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-27 23:18:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-27 23:18:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-27 23:18:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-27 23:18:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-27 23:18:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-27 23:18:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-27 23:18:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-27 23:18:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-27 23:18:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-27 23:18:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-27 23:18:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-27 23:18:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-27 23:18:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-27 23:18:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-27 23:18:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 23:18:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 23:18:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-27 23:18:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-27 23:18:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-27 23:18:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-27 23:18:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_ulaw_to_alaw [2024-11-27 23:18:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_ulaw_to_alaw [2024-11-27 23:18:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 23:18:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 23:18:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-11-27 23:18:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-11-27 23:18:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-27 23:18:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-27 23:18:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:18:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:18:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-27 23:18:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-27 23:18:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_send [2024-11-27 23:18:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_send [2024-11-27 23:18:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 23:18:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 23:18:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-27 23:18:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-27 23:18:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2024-11-27 23:18:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2024-11-27 23:18:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:18:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-27 23:18:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-27 23:18:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-27 23:18:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-27 23:18:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-27 23:18:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-27 23:18:24,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:18:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_open [2024-11-27 23:18:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_open [2024-11-27 23:18:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-27 23:18:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-27 23:18:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:18:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 23:18:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 23:18:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 23:18:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 23:18:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 23:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 23:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 23:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 23:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 23:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 23:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 23:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 23:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 23:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 23:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 23:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 23:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 23:18:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-27 23:18:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 23:18:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-27 23:18:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-27 23:18:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_free [2024-11-27 23:18:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_free [2024-11-27 23:18:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-27 23:18:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-27 23:18:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:18:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 23:18:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 23:18:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 23:18:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-27 23:18:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-27 23:18:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-27 23:18:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-27 23:18:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 23:18:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 23:18:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2024-11-27 23:18:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2024-11-27 23:18:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2024-11-27 23:18:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2024-11-27 23:18:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-27 23:18:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-27 23:18:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2024-11-27 23:18:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2024-11-27 23:18:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-27 23:18:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-27 23:18:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-27 23:18:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-27 23:18:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-27 23:18:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-27 23:18:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_alaw_to_ulaw [2024-11-27 23:18:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_alaw_to_ulaw [2024-11-27 23:18:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_close [2024-11-27 23:18:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_close [2024-11-27 23:18:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-27 23:18:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-27 23:18:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure memchr_inv [2024-11-27 23:18:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure memchr_inv [2024-11-27 23:18:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-27 23:18:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-27 23:18:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 23:18:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 23:18:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 23:18:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 23:18:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 23:18:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 23:18:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 23:18:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 23:18:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 23:18:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 23:18:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 23:18:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 23:18:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 23:18:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 23:18:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-27 23:18:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-27 23:18:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-27 23:18:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-27 23:18:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-27 23:18:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_cleanup [2024-11-27 23:18:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_cleanup [2024-11-27 23:18:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:18:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:18:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-27 23:18:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-27 23:18:25,153 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:18:25,156 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:18:48,087 INFO L? ?]: Removed 1037 outVars from TransFormulas that were not future-live. [2024-11-27 23:18:48,087 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:18:48,123 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:18:48,123 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:18:48,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:18:48 BoogieIcfgContainer [2024-11-27 23:18:48,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:18:48,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:18:48,127 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:18:48,133 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:18:48,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:18:21" (1/3) ... [2024-11-27 23:18:48,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526d2fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:18:48, skipping insertion in model container [2024-11-27 23:18:48,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:18:23" (2/3) ... [2024-11-27 23:18:48,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526d2fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:18:48, skipping insertion in model container [2024-11-27 23:18:48,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:18:48" (3/3) ... [2024-11-27 23:18:48,136 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2024-11-27 23:18:48,155 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:18:48,166 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i that has 59 procedures, 851 locations, 1 initial locations, 40 loop locations, and 1 error locations. [2024-11-27 23:18:48,283 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:18:48,301 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;@6ffb4d8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:18:48,302 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:18:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 761 states, 587 states have (on average 1.3867120954003407) internal successors, (814), 599 states have internal predecessors, (814), 132 states have call successors, (132), 40 states have call predecessors, (132), 40 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-27 23:18:48,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-27 23:18:48,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:18:48,326 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:18:48,327 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:18:48,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:18:48,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2077076030, now seen corresponding path program 1 times [2024-11-27 23:18:48,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:18:48,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160066461] [2024-11-27 23:18:48,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:18:48,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:26:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:26:38,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:26:38,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:26:38,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160066461] [2024-11-27 23:26:38,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160066461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:26:38,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:26:38,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:26:38,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204603809] [2024-11-27 23:26:38,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:26:38,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:26:38,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:26:38,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:26:38,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:26:38,512 INFO L87 Difference]: Start difference. First operand has 761 states, 587 states have (on average 1.3867120954003407) internal successors, (814), 599 states have internal predecessors, (814), 132 states have call successors, (132), 40 states have call predecessors, (132), 40 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:26:42,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:26:43,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 23:26:44,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:26:44,360 INFO L93 Difference]: Finished difference Result 1936 states and 2769 transitions. [2024-11-27 23:26:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:26:44,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2024-11-27 23:26:44,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:26:44,396 INFO L225 Difference]: With dead ends: 1936 [2024-11-27 23:26:44,396 INFO L226 Difference]: Without dead ends: 1174 [2024-11-27 23:26:44,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:26:44,413 INFO L435 NwaCegarLoop]: 1625 mSDtfsCounter, 1042 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:26:44,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 2220 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-27 23:26:44,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2024-11-27 23:26:44,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1174. [2024-11-27 23:26:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 899 states have (on average 1.3748609566184649) internal successors, (1236), 917 states have internal predecessors, (1236), 208 states have call successors, (208), 67 states have call predecessors, (208), 66 states have return successors, (205), 205 states have call predecessors, (205), 205 states have call successors, (205) [2024-11-27 23:26:44,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1649 transitions. [2024-11-27 23:26:44,657 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1649 transitions. Word has length 24 [2024-11-27 23:26:44,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:26:44,661 INFO L471 AbstractCegarLoop]: Abstraction has 1174 states and 1649 transitions. [2024-11-27 23:26:44,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 23:26:44,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1649 transitions. [2024-11-27 23:26:44,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-27 23:26:44,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:26:44,666 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:26:44,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:26:44,667 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:26:44,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:26:44,667 INFO L85 PathProgramCache]: Analyzing trace with hash -674686131, now seen corresponding path program 1 times [2024-11-27 23:26:44,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:26:44,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20910614] [2024-11-27 23:26:44,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:26:44,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms