./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_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1/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_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1 --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 [2024-12-02 11:06:22,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:06:22,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 11:06:22,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:06:22,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:06:22,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:06:22,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:06:22,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:06:22,470 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:06:22,471 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:06:22,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:06:22,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:06:22,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:06:22,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:06:22,471 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:06:22,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:06:22,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:06:22,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:06:22,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:06:22,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:06:22,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:06:22,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:06:22,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:06:22,472 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:06:22,472 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:06:22,472 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:06:22,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:06:22,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:06:22,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:06:22,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:06:22,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:06:22,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:06:22,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:06:22,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:06:22,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:06:22,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:06:22,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:06:22,473 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:06:22,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:06:22,474 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:06:22,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:06:22,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:06:22,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:06:22,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:06:22,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:06:22,474 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_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 11:06:22,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:06:22,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:06:22,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:06:22,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:06:22,726 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:06:22,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2024-12-02 11:06:25,307 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1/data/3bca8cecb/e8aa1e2bed0a4287b029d18710396a5b/FLAGa7d828f4e [2024-12-02 11:06:25,739 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:06:25,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2024-12-02 11:06:25,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1/data/3bca8cecb/e8aa1e2bed0a4287b029d18710396a5b/FLAGa7d828f4e [2024-12-02 11:06:25,791 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1/data/3bca8cecb/e8aa1e2bed0a4287b029d18710396a5b [2024-12-02 11:06:25,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:06:25,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:06:25,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:06:25,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:06:25,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:06:25,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:06:25" (1/1) ... [2024-12-02 11:06:25,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eeed835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:25, skipping insertion in model container [2024-12-02 11:06:25,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:06:25" (1/1) ... [2024-12-02 11:06:25,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:06:26,885 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i[220631,220644] [2024-12-02 11:06:26,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:06:27,020 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:06:27,154 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] [2024-12-02 11:06:27,156 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] [2024-12-02 11:06:27,157 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] [2024-12-02 11:06:27,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5298] [2024-12-02 11:06:27,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5348] [2024-12-02 11:06:27,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5351] [2024-12-02 11:06:27,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5354] [2024-12-02 11:06:27,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5357] [2024-12-02 11:06:27,275 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_b17f120a-dc33-4720-ad25-1d555b1fadf3/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i[220631,220644] [2024-12-02 11:06:27,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:06:27,382 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:06:27,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27 WrapperNode [2024-12-02 11:06:27,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:06:27,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:06:27,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:06:27,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:06:27,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (1/1) ... [2024-12-02 11:06:27,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (1/1) ... [2024-12-02 11:06:27,572 INFO L138 Inliner]: procedures = 181, calls = 2379, calls flagged for inlining = 63, calls inlined = 41, statements flattened = 3596 [2024-12-02 11:06:27,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:06:27,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:06:27,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:06:27,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:06:27,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (1/1) ... [2024-12-02 11:06:27,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (1/1) ... [2024-12-02 11:06:27,600 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (1/1) ... [2024-12-02 11:06:27,775 INFO L175 MemorySlicer]: Split 1523 memory accesses to 19 slices as follows [2, 5, 8, 19, 19, 68, 18, 18, 17, 18, 18, 243, 258, 2, 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, 16, 16, 64, 16, 16, 16, 16, 16, 12, 0, 0, 0, 0, 0, 0, 0]. The 1154 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 91, 257, 1, 257, 257, 17, 257, 17]. [2024-12-02 11:06:27,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (1/1) ... [2024-12-02 11:06:27,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (1/1) ... [2024-12-02 11:06:27,865 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (1/1) ... [2024-12-02 11:06:27,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (1/1) ... [2024-12-02 11:06:27,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (1/1) ... [2024-12-02 11:06:27,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (1/1) ... [2024-12-02 11:06:27,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (1/1) ... [2024-12-02 11:06:27,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:06:27,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:06:27,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:06:27,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:06:27,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (1/1) ... [2024-12-02 11:06:27,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:06:27,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:06:27,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:06:27,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b17f120a-dc33-4720-ad25-1d555b1fadf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:06:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2024-12-02 11:06:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2024-12-02 11:06:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 11:06:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 11:06:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 11:06:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 11:06:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 11:06:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 11:06:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 11:06:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 11:06:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 11:06:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 11:06:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 11:06:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 11:06:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 11:06:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:06:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:06:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:06:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:06:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:06:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 11:06:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 11:06:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 11:06:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 11:06:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 11:06:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 11:06:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 11:06:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 11:06:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 11:06:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 11:06:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 11:06:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 11:06:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 11:06:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 11:06:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2024-12-02 11:06:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2024-12-02 11:06:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 11:06:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 11:06:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 11:06:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 11:06:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 11:06:28,000 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 11:06:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-12-02 11:06:28,000 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-12-02 11:06:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_ulaw_to_alaw [2024-12-02 11:06:28,000 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_ulaw_to_alaw [2024-12-02 11:06:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 11:06:28,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 11:06:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-12-02 11:06:28,000 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-12-02 11:06:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-12-02 11:06:28,000 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-12-02 11:06:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:06:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:06:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:06:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:06:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:06:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 11:06:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 11:06:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 11:06:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 11:06:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_send [2024-12-02 11:06:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_send [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 11:06:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-12-02 11:06:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-12-02 11:06:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2024-12-02 11:06:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 11:06:28,003 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 11:06:28,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-12-02 11:06:28,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_open [2024-12-02 11:06:28,003 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_open [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 11:06:28,003 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 11:06:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 11:06:28,004 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 11:06:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_free [2024-12-02 11:06:28,005 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_free [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-12-02 11:06:28,005 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 11:06:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-12-02 11:06:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 11:06:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2024-12-02 11:06:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2024-12-02 11:06:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 11:06:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 11:06:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2024-12-02 11:06:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 11:06:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 11:06:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 11:06:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_alaw_to_ulaw [2024-12-02 11:06:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_alaw_to_ulaw [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_close [2024-12-02 11:06:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_close [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 11:06:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 11:06:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure memchr_inv [2024-12-02 11:06:28,008 INFO L138 BoogieDeclarations]: Found implementation of procedure memchr_inv [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-12-02 11:06:28,008 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 11:06:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 11:06:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 11:06:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 11:06:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 11:06:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 11:06:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 11:06:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 11:06:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 11:06:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 11:06:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 11:06:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_cleanup [2024-12-02 11:06:28,009 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_cleanup [2024-12-02 11:06:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:06:28,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:06:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 11:06:28,009 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 11:06:28,527 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:06:28,529 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:06:44,569 INFO L? ?]: Removed 1037 outVars from TransFormulas that were not future-live. [2024-12-02 11:06:44,569 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:06:44,594 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:06:44,595 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:06:44,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:44 BoogieIcfgContainer [2024-12-02 11:06:44,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:06:44,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:06:44,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:06:44,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:06:44,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:06:25" (1/3) ... [2024-12-02 11:06:44,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389f54ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:06:44, skipping insertion in model container [2024-12-02 11:06:44,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:27" (2/3) ... [2024-12-02 11:06:44,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@389f54ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:06:44, skipping insertion in model container [2024-12-02 11:06:44,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:44" (3/3) ... [2024-12-02 11:06:44,604 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2024-12-02 11:06:44,619 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:06:44,621 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. [2024-12-02 11:06:44,688 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:06:44,699 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;@4036d096, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:06:44,699 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:06:44,705 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) [2024-12-02 11:06:44,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-02 11:06:44,712 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:06:44,713 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] [2024-12-02 11:06:44,713 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:06:44,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:06:44,718 INFO L85 PathProgramCache]: Analyzing trace with hash 2077076030, now seen corresponding path program 1 times [2024-12-02 11:06:44,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:06:44,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398384261] [2024-12-02 11:06:44,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:06:44,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:13:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:13:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:13:40,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:13:40,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398384261] [2024-12-02 11:13:40,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398384261] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:13:40,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:13:40,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:13:40,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934497670] [2024-12-02 11:13:40,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:13:40,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:13:40,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:13:40,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:13:40,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:13:40,213 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) [2024-12-02 11:13:44,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:13:45,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:13:45,614 INFO L93 Difference]: Finished difference Result 1936 states and 2769 transitions. [2024-12-02 11:13:45,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:13:45,616 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 [2024-12-02 11:13:45,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:13:45,634 INFO L225 Difference]: With dead ends: 1936 [2024-12-02 11:13:45,634 INFO L226 Difference]: Without dead ends: 1174 [2024-12-02 11:13:45,641 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 [2024-12-02 11:13:45,643 INFO L435 NwaCegarLoop]: 1625 mSDtfsCounter, 1042 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:13:45,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 2220 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 11:13:45,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2024-12-02 11:13:45,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1174. [2024-12-02 11:13:45,744 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) [2024-12-02 11:13:45,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1649 transitions. [2024-12-02 11:13:45,759 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1649 transitions. Word has length 24 [2024-12-02 11:13:45,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:13:45,759 INFO L471 AbstractCegarLoop]: Abstraction has 1174 states and 1649 transitions. [2024-12-02 11:13:45,760 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) [2024-12-02 11:13:45,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1649 transitions. [2024-12-02 11:13:45,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-02 11:13:45,761 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:13:45,761 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] [2024-12-02 11:13:45,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:13:45,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:13:45,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:13:45,762 INFO L85 PathProgramCache]: Analyzing trace with hash -674686131, now seen corresponding path program 1 times [2024-12-02 11:13:45,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:13:45,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105001660] [2024-12-02 11:13:45,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:13:45,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:20:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:20:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:20:43,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:20:43,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105001660] [2024-12-02 11:20:43,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105001660] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:20:43,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:20:43,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:20:43,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091199866] [2024-12-02 11:20:43,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:20:43,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:20:43,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:20:43,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:20:43,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:20:43,876 INFO L87 Difference]: Start difference. First operand 1174 states and 1649 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:20:44,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:20:44,029 INFO L93 Difference]: Finished difference Result 2347 states and 3298 transitions. [2024-12-02 11:20:44,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:20:44,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 38 [2024-12-02 11:20:44,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:20:44,036 INFO L225 Difference]: With dead ends: 2347 [2024-12-02 11:20:44,037 INFO L226 Difference]: Without dead ends: 1176 [2024-12-02 11:20:44,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:20:44,040 INFO L435 NwaCegarLoop]: 1065 mSDtfsCounter, 0 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3188 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:20:44,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3188 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:20:44,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2024-12-02 11:20:44,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1176. [2024-12-02 11:20:44,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 901 states have (on average 1.3740288568257493) internal successors, (1238), 919 states have internal predecessors, (1238), 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) [2024-12-02 11:20:44,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1651 transitions. [2024-12-02 11:20:44,084 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1651 transitions. Word has length 38 [2024-12-02 11:20:44,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:20:44,085 INFO L471 AbstractCegarLoop]: Abstraction has 1176 states and 1651 transitions. [2024-12-02 11:20:44,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:20:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1651 transitions. [2024-12-02 11:20:44,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-02 11:20:44,086 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:20:44,086 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 11:20:44,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:20:44,087 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:20:44,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:20:44,087 INFO L85 PathProgramCache]: Analyzing trace with hash 741519525, now seen corresponding path program 1 times [2024-12-02 11:20:44,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:20:44,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334184305] [2024-12-02 11:20:44,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:20:44,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms