./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu --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 bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:50:40,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:50:40,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:50:40,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:50:40,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:50:40,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:50:40,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:50:40,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:50:40,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:50:40,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:50:40,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:50:40,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:50:40,813 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:50:40,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:50:40,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:50:40,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:50:40,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:50:40,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:50:40,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:50:40,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:50:40,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:50:40,818 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:50:40,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:50:40,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:50:40,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:50:40,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:40,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:50:40,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:50:40,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:50:40,822 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:50:40,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:50:40,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:50:40,823 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:50:40,824 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:50:40,824 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:50:40,825 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:50:40,825 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_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc34b562a518e1962cb00b051353e0f6c91b97d77e3b06d95f31a41553709599 [2023-11-19 07:50:41,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:50:41,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:50:41,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:50:41,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:50:41,119 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:50:41,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2023-11-19 07:50:44,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:44,831 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:44,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2023-11-19 07:50:44,891 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu/data/c573132fc/dd34a04c591b4988a7ec94d7be5f76c1/FLAG110a65205 [2023-11-19 07:50:44,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu/data/c573132fc/dd34a04c591b4988a7ec94d7be5f76c1 [2023-11-19 07:50:44,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:44,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:44,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:44,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:44,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:44,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:44" (1/1) ... [2023-11-19 07:50:44,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d84509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:44, skipping insertion in model container [2023-11-19 07:50:44,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:44" (1/1) ... [2023-11-19 07:50:45,088 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:47,541 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_af35845e-33a9-4bf2-b4fa-7e3bd040d910/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2023-11-19 07:50:47,548 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_af35845e-33a9-4bf2-b4fa-7e3bd040d910/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2023-11-19 07:50:47,548 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_af35845e-33a9-4bf2-b4fa-7e3bd040d910/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2023-11-19 07:50:47,549 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_af35845e-33a9-4bf2-b4fa-7e3bd040d910/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2023-11-19 07:50:47,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:47,651 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:47,783 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"); [5761] [2023-11-19 07:50:47,787 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)); [5768] [2023-11-19 07:50:47,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5775] [2023-11-19 07:50:47,794 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/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5805-5806] [2023-11-19 07:50:47,795 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"); [5811-5813] [2023-11-19 07:50:47,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5870] [2023-11-19 07:50:47,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5878] [2023-11-19 07:50:48,050 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_af35845e-33a9-4bf2-b4fa-7e3bd040d910/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295458,295471] [2023-11-19 07:50:48,051 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_af35845e-33a9-4bf2-b4fa-7e3bd040d910/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295605,295618] [2023-11-19 07:50:48,051 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_af35845e-33a9-4bf2-b4fa-7e3bd040d910/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295744,295757] [2023-11-19 07:50:48,051 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_af35845e-33a9-4bf2-b4fa-7e3bd040d910/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i[295902,295915] [2023-11-19 07:50:48,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:48,154 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:50:48,162 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:48,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:48 WrapperNode [2023-11-19 07:50:48,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:48,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:48,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:48,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:48,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:48" (1/1) ... [2023-11-19 07:50:48,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:48" (1/1) ... [2023-11-19 07:50:48,491 INFO L138 Inliner]: procedures = 290, calls = 1916, calls flagged for inlining = 144, calls inlined = 136, statements flattened = 4856 [2023-11-19 07:50:48,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:48,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:50:48,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:50:48,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:50:48,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:48" (1/1) ... [2023-11-19 07:50:48,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:48" (1/1) ... [2023-11-19 07:50:48,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:48" (1/1) ... [2023-11-19 07:50:48,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:48" (1/1) ... [2023-11-19 07:50:48,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:48" (1/1) ... [2023-11-19 07:50:48,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:48" (1/1) ... [2023-11-19 07:50:48,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:48" (1/1) ... [2023-11-19 07:50:48,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:48" (1/1) ... [2023-11-19 07:50:48,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:50:48,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:50:48,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:50:48,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:50:48,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:48" (1/1) ... [2023-11-19 07:50:48,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:48,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:48,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:48,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af35845e-33a9-4bf2-b4fa-7e3bd040d910/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:50:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2023-11-19 07:50:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2023-11-19 07:50:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:50:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:50:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:50:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:50:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:50:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:50:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2023-11-19 07:50:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2023-11-19 07:50:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2023-11-19 07:50:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2023-11-19 07:50:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2023-11-19 07:50:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2023-11-19 07:50:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:50:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:50:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:50:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:50:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-19 07:50:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-19 07:50:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2023-11-19 07:50:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2023-11-19 07:50:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 07:50:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 07:50:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2023-11-19 07:50:48,844 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2023-11-19 07:50:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2023-11-19 07:50:48,844 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2023-11-19 07:50:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2023-11-19 07:50:48,845 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2023-11-19 07:50:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2023-11-19 07:50:48,845 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2023-11-19 07:50:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:50:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:50:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2023-11-19 07:50:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2023-11-19 07:50:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:50:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:50:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2023-11-19 07:50:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2023-11-19 07:50:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-19 07:50:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-19 07:50:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 07:50:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 07:50:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:50:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:50:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:50:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 07:50:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 07:50:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2023-11-19 07:50:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2023-11-19 07:50:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2023-11-19 07:50:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2023-11-19 07:50:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-19 07:50:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-19 07:50:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:50:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:50:48,851 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2023-11-19 07:50:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2023-11-19 07:50:48,852 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:50:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:50:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:50:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:50:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2023-11-19 07:50:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2023-11-19 07:50:48,853 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2023-11-19 07:50:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2023-11-19 07:50:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:50:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:50:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 07:50:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 07:50:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 07:50:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 07:50:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-19 07:50:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-19 07:50:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:50:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:50:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2023-11-19 07:50:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2023-11-19 07:50:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:50:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:50:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 07:50:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 07:50:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:50:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:50:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 07:50:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 07:50:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 07:50:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 07:50:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2023-11-19 07:50:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2023-11-19 07:50:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2023-11-19 07:50:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2023-11-19 07:50:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:50:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2023-11-19 07:50:48,958 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2023-11-19 07:50:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2023-11-19 07:50:48,958 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2023-11-19 07:50:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:50:48,958 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:50:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:50:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 07:50:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 07:50:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2023-11-19 07:50:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2023-11-19 07:50:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 07:50:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 07:50:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2023-11-19 07:50:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2023-11-19 07:50:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 07:50:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 07:50:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:50:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 07:50:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 07:50:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:50:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:50:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:50:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:50:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2023-11-19 07:50:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2023-11-19 07:50:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 07:50:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 07:50:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 07:50:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 07:50:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-11-19 07:50:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-11-19 07:50:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 07:50:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 07:50:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:50:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-19 07:50:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-19 07:50:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2023-11-19 07:50:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2023-11-19 07:50:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-19 07:50:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-19 07:50:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:50:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:50:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2023-11-19 07:50:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2023-11-19 07:50:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2023-11-19 07:50:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2023-11-19 07:50:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2023-11-19 07:50:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2023-11-19 07:50:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:50:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 07:50:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 07:50:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2023-11-19 07:50:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2023-11-19 07:50:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:50:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:50:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:50:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:50:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:50:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:50:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:50:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:50:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:50:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:50:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2023-11-19 07:50:48,967 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2023-11-19 07:50:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2023-11-19 07:50:48,967 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2023-11-19 07:50:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2023-11-19 07:50:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2023-11-19 07:50:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 07:50:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 07:50:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2023-11-19 07:50:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2023-11-19 07:50:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2023-11-19 07:50:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2023-11-19 07:50:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:50:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:50:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2023-11-19 07:50:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2023-11-19 07:50:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2023-11-19 07:50:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2023-11-19 07:50:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 07:50:48,977 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 07:50:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 07:50:48,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 07:50:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2023-11-19 07:50:48,977 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2023-11-19 07:50:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 07:50:48,977 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 07:50:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:50:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-19 07:50:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-19 07:50:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2023-11-19 07:50:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2023-11-19 07:50:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 07:50:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 07:50:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-11-19 07:50:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-11-19 07:50:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:50:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:50:49,616 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:50:49,627 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:50:49,944 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:50:54,456 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 07:50:55,545 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:50:55,573 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:50:55,573 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:50:55,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:55 BoogieIcfgContainer [2023-11-19 07:50:55,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:50:55,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:50:55,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:50:55,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:50:55,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:44" (1/3) ... [2023-11-19 07:50:55,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155f7555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:55, skipping insertion in model container [2023-11-19 07:50:55,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:48" (2/3) ... [2023-11-19 07:50:55,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155f7555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:55, skipping insertion in model container [2023-11-19 07:50:55,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:55" (3/3) ... [2023-11-19 07:50:55,601 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-irda-via-ircc.cil.i [2023-11-19 07:50:55,622 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:50:55,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 07:50:55,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:50:55,736 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;@7ca5a614, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:50:55,737 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 07:50:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 2162 states, 1386 states have (on average 1.3225108225108224) internal successors, (1833), 1410 states have internal predecessors, (1833), 686 states have call successors, (686), 89 states have call predecessors, (686), 88 states have return successors, (682), 671 states have call predecessors, (682), 682 states have call successors, (682) [2023-11-19 07:50:55,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 07:50:55,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:55,767 INFO L195 NwaCegarLoop]: trace histogram [6, 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, 1, 1, 1] [2023-11-19 07:50:55,768 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:55,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:55,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1722814293, now seen corresponding path program 1 times [2023-11-19 07:50:55,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:55,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355461200] [2023-11-19 07:50:55,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:55,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:56,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:50:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:56,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:56,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:50:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:50:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:56,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:56,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:50:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:56,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:50:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:56,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:50:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:56,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:50:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:56,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:50:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:56,811 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 07:50:56,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:56,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355461200] [2023-11-19 07:50:56,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355461200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:56,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:56,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:50:56,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423400450] [2023-11-19 07:50:56,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:56,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:50:56,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:56,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:50:56,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:50:56,857 INFO L87 Difference]: Start difference. First operand has 2162 states, 1386 states have (on average 1.3225108225108224) internal successors, (1833), 1410 states have internal predecessors, (1833), 686 states have call successors, (686), 89 states have call predecessors, (686), 88 states have return successors, (682), 671 states have call predecessors, (682), 682 states have call successors, (682) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-19 07:51:07,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:07,092 INFO L93 Difference]: Finished difference Result 6415 states and 9642 transitions. [2023-11-19 07:51:07,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:51:07,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 78 [2023-11-19 07:51:07,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:07,163 INFO L225 Difference]: With dead ends: 6415 [2023-11-19 07:51:07,163 INFO L226 Difference]: Without dead ends: 4258 [2023-11-19 07:51:07,189 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 [2023-11-19 07:51:07,193 INFO L413 NwaCegarLoop]: 1564 mSDtfsCounter, 4300 mSDsluCounter, 2108 mSDsCounter, 0 mSdLazyCounter, 3929 mSolverCounterSat, 2086 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4948 SdHoareTripleChecker+Valid, 3672 SdHoareTripleChecker+Invalid, 6015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2086 IncrementalHoareTripleChecker+Valid, 3929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:07,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4948 Valid, 3672 Invalid, 6015 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2086 Valid, 3929 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2023-11-19 07:51:07,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4258 states. [2023-11-19 07:51:07,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4258 to 4228. [2023-11-19 07:51:07,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4228 states, 2709 states have (on average 1.3145071982281284) internal successors, (3561), 2755 states have internal predecessors, (3561), 1343 states have call successors, (1343), 175 states have call predecessors, (1343), 174 states have return successors, (1341), 1319 states have call predecessors, (1341), 1341 states have call successors, (1341) [2023-11-19 07:51:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 4228 states and 6245 transitions. [2023-11-19 07:51:07,844 INFO L78 Accepts]: Start accepts. Automaton has 4228 states and 6245 transitions. Word has length 78 [2023-11-19 07:51:07,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:07,850 INFO L495 AbstractCegarLoop]: Abstraction has 4228 states and 6245 transitions. [2023-11-19 07:51:07,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-19 07:51:07,851 INFO L276 IsEmpty]: Start isEmpty. Operand 4228 states and 6245 transitions. [2023-11-19 07:51:07,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-19 07:51:07,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:07,868 INFO L195 NwaCegarLoop]: trace histogram [6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:07,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:51:07,869 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:07,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:07,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1003255443, now seen corresponding path program 1 times [2023-11-19 07:51:07,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:07,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200337369] [2023-11-19 07:51:07,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:07,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:51:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:51:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:51:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:51:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:51:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:51:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-19 07:51:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-19 07:51:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:08,479 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 07:51:08,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:08,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200337369] [2023-11-19 07:51:08,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200337369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:08,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:08,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:51:08,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478025990] [2023-11-19 07:51:08,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:08,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:51:08,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:08,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:51:08,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:51:08,488 INFO L87 Difference]: Start difference. First operand 4228 states and 6245 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-19 07:51:12,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:51:18,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:18,150 INFO L93 Difference]: Finished difference Result 9287 states and 13798 transitions. [2023-11-19 07:51:18,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:51:18,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 105 [2023-11-19 07:51:18,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:18,197 INFO L225 Difference]: With dead ends: 9287 [2023-11-19 07:51:18,198 INFO L226 Difference]: Without dead ends: 5074 [2023-11-19 07:51:18,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:51:18,228 INFO L413 NwaCegarLoop]: 1545 mSDtfsCounter, 3371 mSDsluCounter, 2065 mSDsCounter, 0 mSdLazyCounter, 4004 mSolverCounterSat, 1777 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3882 SdHoareTripleChecker+Valid, 3610 SdHoareTripleChecker+Invalid, 5781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1777 IncrementalHoareTripleChecker+Valid, 4004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:18,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3882 Valid, 3610 Invalid, 5781 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1777 Valid, 4004 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2023-11-19 07:51:18,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5074 states. [2023-11-19 07:51:18,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5074 to 5031. [2023-11-19 07:51:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5031 states, 3197 states have (on average 1.3246793869252425) internal successors, (4235), 3246 states have internal predecessors, (4235), 1618 states have call successors, (1618), 215 states have call predecessors, (1618), 214 states have return successors, (1616), 1594 states have call predecessors, (1616), 1616 states have call successors, (1616) [2023-11-19 07:51:18,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5031 states to 5031 states and 7469 transitions. [2023-11-19 07:51:18,641 INFO L78 Accepts]: Start accepts. Automaton has 5031 states and 7469 transitions. Word has length 105 [2023-11-19 07:51:18,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:18,643 INFO L495 AbstractCegarLoop]: Abstraction has 5031 states and 7469 transitions. [2023-11-19 07:51:18,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-19 07:51:18,644 INFO L276 IsEmpty]: Start isEmpty. Operand 5031 states and 7469 transitions. [2023-11-19 07:51:18,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 07:51:18,655 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:18,655 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:18,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:51:18,656 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:18,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:18,656 INFO L85 PathProgramCache]: Analyzing trace with hash -664653684, now seen corresponding path program 1 times [2023-11-19 07:51:18,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:18,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506368935] [2023-11-19 07:51:18,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:18,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:51:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:18,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:51:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:18,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:18,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:51:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:18,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:51:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:51:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:51:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-19 07:51:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-19 07:51:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-19 07:51:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-19 07:51:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-19 07:51:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-19 07:51:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:51:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:19,071 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-11-19 07:51:19,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:19,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506368935] [2023-11-19 07:51:19,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506368935] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:19,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:19,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:51:19,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508401030] [2023-11-19 07:51:19,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:19,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:51:19,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:19,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:51:19,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:51:19,074 INFO L87 Difference]: Start difference. First operand 5031 states and 7469 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-19 07:51:28,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:28,772 INFO L93 Difference]: Finished difference Result 12200 states and 18112 transitions. [2023-11-19 07:51:28,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:51:28,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 133 [2023-11-19 07:51:28,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:28,842 INFO L225 Difference]: With dead ends: 12200 [2023-11-19 07:51:28,843 INFO L226 Difference]: Without dead ends: 8585 [2023-11-19 07:51:28,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:51:28,871 INFO L413 NwaCegarLoop]: 2305 mSDtfsCounter, 3557 mSDsluCounter, 2586 mSDsCounter, 0 mSdLazyCounter, 5384 mSolverCounterSat, 1310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4201 SdHoareTripleChecker+Valid, 4891 SdHoareTripleChecker+Invalid, 6694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1310 IncrementalHoareTripleChecker+Valid, 5384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:28,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4201 Valid, 4891 Invalid, 6694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1310 Valid, 5384 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2023-11-19 07:51:28,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8585 states.