./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx --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 67e7778ced54570c612880d3f2f5d48e6e2d3dc55afd632628e45d31cdc74c58 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:18:52,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:18:52,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:18:52,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:18:52,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:18:52,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:18:52,660 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:18:52,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:18:52,661 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:18:52,662 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:18:52,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:18:52,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:18:52,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:18:52,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:18:52,665 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:18:52,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:18:52,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:18:52,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:18:52,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:18:52,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:18:52,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:18:52,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:18:52,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:18:52,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:18:52,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:18:52,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:18:52,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:18:52,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:18:52,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:18:52,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:18:52,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:18:52,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:18:52,674 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:18:52,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:18:52,675 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:18:52,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:18:52,676 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:18:52,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:18:52,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:18:52,678 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e7778ced54570c612880d3f2f5d48e6e2d3dc55afd632628e45d31cdc74c58 [2023-11-21 22:18:52,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:18:53,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:18:53,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:18:53,012 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:18:53,013 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:18:53,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2023-11-21 22:18:56,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:18:56,751 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:18:56,751 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2023-11-21 22:18:56,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx/data/61cc27792/a3a8cce0b1e3437a965374218546d9af/FLAG57932ff52 [2023-11-21 22:18:56,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx/data/61cc27792/a3a8cce0b1e3437a965374218546d9af [2023-11-21 22:18:56,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:18:56,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:18:56,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:18:56,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:18:56,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:18:56,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:56" (1/1) ... [2023-11-21 22:18:56,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371072db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:56, skipping insertion in model container [2023-11-21 22:18:56,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:56" (1/1) ... [2023-11-21 22:18:57,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:19:00,183 WARN L240 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_339a0bea-fee8-4fc9-a481-ed700a6165b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329615,329628] [2023-11-21 22:19:00,188 WARN L240 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_339a0bea-fee8-4fc9-a481-ed700a6165b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329784,329797] [2023-11-21 22:19:00,189 WARN L240 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_339a0bea-fee8-4fc9-a481-ed700a6165b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329951,329964] [2023-11-21 22:19:00,190 WARN L240 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_339a0bea-fee8-4fc9-a481-ed700a6165b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[330119,330132] [2023-11-21 22:19:00,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:00,274 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:19:00,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5742] [2023-11-21 22:19:00,409 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5749] [2023-11-21 22:19:00,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5756] [2023-11-21 22:19:00,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5786-5787] [2023-11-21 22:19:00,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5792-5794] [2023-11-21 22:19:00,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5875] [2023-11-21 22:19:00,415 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5883] [2023-11-21 22:19:00,737 WARN L240 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_339a0bea-fee8-4fc9-a481-ed700a6165b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329615,329628] [2023-11-21 22:19:00,738 WARN L240 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_339a0bea-fee8-4fc9-a481-ed700a6165b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329784,329797] [2023-11-21 22:19:00,738 WARN L240 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_339a0bea-fee8-4fc9-a481-ed700a6165b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[329951,329964] [2023-11-21 22:19:00,739 WARN L240 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_339a0bea-fee8-4fc9-a481-ed700a6165b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i[330119,330132] [2023-11-21 22:19:00,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:00,960 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:19:00,968 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:19:00,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00 WrapperNode [2023-11-21 22:19:00,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:00,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:00,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:19:00,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:19:00,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2023-11-21 22:19:01,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2023-11-21 22:19:01,300 INFO L138 Inliner]: procedures = 395, calls = 2115, calls flagged for inlining = 159, calls inlined = 138, statements flattened = 4857 [2023-11-21 22:19:01,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:01,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:19:01,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:19:01,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:19:01,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2023-11-21 22:19:01,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2023-11-21 22:19:01,363 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2023-11-21 22:19:02,057 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:19:02,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2023-11-21 22:19:02,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2023-11-21 22:19:02,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2023-11-21 22:19:02,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2023-11-21 22:19:02,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2023-11-21 22:19:02,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2023-11-21 22:19:02,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:19:02,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:19:02,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:19:02,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:19:02,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2023-11-21 22:19:02,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:19:02,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:19:02,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:19:02,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_339a0bea-fee8-4fc9-a481-ed700a6165b8/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:19:02,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:19:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:19:02,450 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2023-11-21 22:19:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2023-11-21 22:19:02,450 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2023-11-21 22:19:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2023-11-21 22:19:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 22:19:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 22:19:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:19:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:19:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_73 [2023-11-21 22:19:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_73 [2023-11-21 22:19:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 22:19:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 22:19:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2023-11-21 22:19:02,455 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2023-11-21 22:19:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 22:19:02,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 22:19:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2023-11-21 22:19:02,457 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2023-11-21 22:19:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2023-11-21 22:19:02,458 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2023-11-21 22:19:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-21 22:19:02,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-21 22:19:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 22:19:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:19:02,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:19:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2023-11-21 22:19:02,460 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2023-11-21 22:19:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2023-11-21 22:19:02,460 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2023-11-21 22:19:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-21 22:19:02,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-21 22:19:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:19:02,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:19:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:19:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2023-11-21 22:19:02,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2023-11-21 22:19:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2023-11-21 22:19:02,461 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2023-11-21 22:19:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-21 22:19:02,462 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-21 22:19:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2023-11-21 22:19:02,462 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2023-11-21 22:19:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:19:02,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:19:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2023-11-21 22:19:02,463 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2023-11-21 22:19:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2023-11-21 22:19:02,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2023-11-21 22:19:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:19:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2023-11-21 22:19:02,465 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2023-11-21 22:19:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2023-11-21 22:19:02,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2023-11-21 22:19:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2023-11-21 22:19:02,466 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2023-11-21 22:19:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:19:02,466 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:19:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:19:02,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:19:02,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:19:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2023-11-21 22:19:02,467 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2023-11-21 22:19:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:19:02,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:19:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:19:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2023-11-21 22:19:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2023-11-21 22:19:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:19:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:19:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:19:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:19:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-11-21 22:19:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-11-21 22:19:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2023-11-21 22:19:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2023-11-21 22:19:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2023-11-21 22:19:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2023-11-21 22:19:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 22:19:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 22:19:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2023-11-21 22:19:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2023-11-21 22:19:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:19:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 22:19:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 22:19:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2023-11-21 22:19:02,472 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2023-11-21 22:19:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:19:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:19:02,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:19:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 22:19:02,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 22:19:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:19:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:19:02,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:19:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:19:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:19:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2023-11-21 22:19:02,474 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2023-11-21 22:19:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-21 22:19:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-21 22:19:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:19:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:19:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2023-11-21 22:19:02,475 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2023-11-21 22:19:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2023-11-21 22:19:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2023-11-21 22:19:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 22:19:02,476 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 22:19:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:19:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:19:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2023-11-21 22:19:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2023-11-21 22:19:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:19:02,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:19:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2023-11-21 22:19:02,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2023-11-21 22:19:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:19:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:19:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:19:02,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:19:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2023-11-21 22:19:02,479 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2023-11-21 22:19:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 22:19:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 22:19:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-21 22:19:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-21 22:19:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2023-11-21 22:19:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2023-11-21 22:19:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2023-11-21 22:19:02,480 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2023-11-21 22:19:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 22:19:02,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 22:19:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2023-11-21 22:19:02,483 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2023-11-21 22:19:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2023-11-21 22:19:02,486 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2023-11-21 22:19:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 22:19:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 22:19:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:19:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:19:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2023-11-21 22:19:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2023-11-21 22:19:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:19:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:19:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:19:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 22:19:02,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 22:19:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-21 22:19:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-21 22:19:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:19:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:19:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-21 22:19:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-21 22:19:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:19:02,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:19:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-21 22:19:02,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-21 22:19:02,498 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2023-11-21 22:19:02,498 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2023-11-21 22:19:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-21 22:19:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-21 22:19:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-21 22:19:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-21 22:19:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-21 22:19:02,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-21 22:19:02,499 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:19:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:19:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-21 22:19:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-21 22:19:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:19:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-21 22:19:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-21 22:19:02,500 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2023-11-21 22:19:02,500 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2023-11-21 22:19:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-21 22:19:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-21 22:19:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:19:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:19:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2023-11-21 22:19:02,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2023-11-21 22:19:02,501 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2023-11-21 22:19:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2023-11-21 22:19:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2023-11-21 22:19:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2023-11-21 22:19:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:19:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:19:02,502 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2023-11-21 22:19:02,502 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2023-11-21 22:19:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2023-11-21 22:19:02,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2023-11-21 22:19:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2023-11-21 22:19:02,503 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2023-11-21 22:19:02,503 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-21 22:19:02,503 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-21 22:19:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:19:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-21 22:19:02,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-21 22:19:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:19:02,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:19:02,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-11-21 22:19:02,504 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-11-21 22:19:03,174 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:19:03,179 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:19:03,517 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:19:08,477 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:19:09,040 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:19:12,700 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:19:12,700 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:19:12,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:12 BoogieIcfgContainer [2023-11-21 22:19:12,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:19:12,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:19:12,706 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:19:12,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:19:12,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:18:56" (1/3) ... [2023-11-21 22:19:12,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f57ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:19:12, skipping insertion in model container [2023-11-21 22:19:12,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (2/3) ... [2023-11-21 22:19:12,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f57ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:19:12, skipping insertion in model container [2023-11-21 22:19:12,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:12" (3/3) ... [2023-11-21 22:19:12,713 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-irda-via-ircc.cil.i [2023-11-21 22:19:12,736 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:19:12,736 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-21 22:19:12,834 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:19:12,842 INFO L357 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, mHoare=true, 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;@8fae6b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:19:12,842 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-21 22:19:12,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 1736 states, 935 states have (on average 1.2524064171122995) internal successors, (1171), 960 states have internal predecessors, (1171), 706 states have call successors, (706), 93 states have call predecessors, (706), 92 states have return successors, (702), 691 states have call predecessors, (702), 702 states have call successors, (702) [2023-11-21 22:19:12,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 22:19:12,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:19:12,871 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:19:12,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-21 22:19:12,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:12,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1003563768, now seen corresponding path program 1 times [2023-11-21 22:19:12,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:12,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684503995] [2023-11-21 22:19:12,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:12,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:13,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:13,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:13,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:19:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:19:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:19:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:13,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:19:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:19:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:13,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-21 22:19:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-21 22:19:13,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:19:13,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684503995] [2023-11-21 22:19:13,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684503995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:19:13,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:19:13,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:19:13,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151520315] [2023-11-21 22:19:13,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:19:13,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:19:13,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:19:13,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:19:13,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:19:13,944 INFO L87 Difference]: Start difference. First operand has 1736 states, 935 states have (on average 1.2524064171122995) internal successors, (1171), 960 states have internal predecessors, (1171), 706 states have call successors, (706), 93 states have call predecessors, (706), 92 states have return successors, (702), 691 states have call predecessors, (702), 702 states have call successors, (702) Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-21 22:19:16,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:19:25,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:19:27,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:19:29,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:19:32,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:19:32,541 INFO L93 Difference]: Finished difference Result 5136 states and 7683 transitions. [2023-11-21 22:19:32,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:19:32,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 67 [2023-11-21 22:19:32,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:19:32,610 INFO L225 Difference]: With dead ends: 5136 [2023-11-21 22:19:32,610 INFO L226 Difference]: Without dead ends: 3402 [2023-11-21 22:19:32,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:19:32,636 INFO L413 NwaCegarLoop]: 1156 mSDtfsCounter, 2963 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 3601 mSolverCounterSat, 2108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3634 SdHoareTripleChecker+Valid, 2472 SdHoareTripleChecker+Invalid, 5709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2108 IncrementalHoareTripleChecker+Valid, 3601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2023-11-21 22:19:32,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3634 Valid, 2472 Invalid, 5709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2108 Valid, 3601 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2023-11-21 22:19:32,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3402 states. [2023-11-21 22:19:33,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3402 to 3378. [2023-11-21 22:19:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3378 states, 1825 states have (on average 1.2476712328767123) internal successors, (2277), 1873 states have internal predecessors, (2277), 1369 states have call successors, (1369), 182 states have call predecessors, (1369), 181 states have return successors, (1366), 1344 states have call predecessors, (1366), 1366 states have call successors, (1366) [2023-11-21 22:19:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 3378 states and 5012 transitions. [2023-11-21 22:19:33,152 INFO L78 Accepts]: Start accepts. Automaton has 3378 states and 5012 transitions. Word has length 67 [2023-11-21 22:19:33,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:19:33,154 INFO L495 AbstractCegarLoop]: Abstraction has 3378 states and 5012 transitions. [2023-11-21 22:19:33,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-21 22:19:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3378 states and 5012 transitions. [2023-11-21 22:19:33,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 22:19:33,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:19:33,172 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:19:33,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:19:33,174 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-21 22:19:33,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:33,176 INFO L85 PathProgramCache]: Analyzing trace with hash -878118038, now seen corresponding path program 1 times [2023-11-21 22:19:33,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:33,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341517596] [2023-11-21 22:19:33,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:33,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:19:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:19:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:19:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:19:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:19:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:19:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-21 22:19:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-21 22:19:33,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:19:33,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341517596] [2023-11-21 22:19:33,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341517596] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:19:33,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:19:33,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:19:33,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715285465] [2023-11-21 22:19:33,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:19:33,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:19:33,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:19:33,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:19:33,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:19:33,750 INFO L87 Difference]: Start difference. First operand 3378 states and 5012 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-21 22:19:37,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []