./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/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_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/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_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/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 178bcd25ed1eb86cc15df15af8dd3c1e4148e54d6c8cf5e12496bd14ffef1855 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:01:55,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:01:55,823 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 21:01:55,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:01:55,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:01:55,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:01:55,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:01:55,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:01:55,878 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:01:55,884 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:01:55,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:01:55,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:01:55,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:01:55,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:01:55,888 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:01:55,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:01:55,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:01:55,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:01:55,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:01:55,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:01:55,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:01:55,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:01:55,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:01:55,894 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:01:55,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:01:55,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:01:55,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:01:55,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:01:55,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:01:55,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:01:55,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:01:55,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:01:55,910 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:01:55,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:01:55,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:01:55,911 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:01:55,912 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:01:55,912 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:01:55,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:01:55,913 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_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 178bcd25ed1eb86cc15df15af8dd3c1e4148e54d6c8cf5e12496bd14ffef1855 [2023-11-21 21:01:56,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:01:56,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:01:56,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:01:56,222 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:01:56,223 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:01:56,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2023-11-21 21:01:59,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:02:00,563 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:02:00,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2023-11-21 21:02:00,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/bin/uautomizer-verify-bycVGegfSx/data/b794d1575/1b14e4df15f7466da1d68ad0472eaab6/FLAG8a311a09b [2023-11-21 21:02:00,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/bin/uautomizer-verify-bycVGegfSx/data/b794d1575/1b14e4df15f7466da1d68ad0472eaab6 [2023-11-21 21:02:00,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:02:00,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:02:00,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:00,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:02:00,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:02:00,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe719b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:00, skipping insertion in model container [2023-11-21 21:02:00,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:00" (1/1) ... [2023-11-21 21:02:00,851 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:02:03,580 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_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2023-11-21 21:02:03,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:04,008 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:02:04,160 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)); [2870] [2023-11-21 21:02:04,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2878-2879] [2023-11-21 21:02:04,172 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; subl %2,%0; sete %1": "+m" (v->counter), "=qm" (c): "ir" (i): "memory"); [2950-2951] [2023-11-21 21:02:04,173 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [2962-2963] [2023-11-21 21:02:04,173 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2966-2967] [2023-11-21 21:02:04,174 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2970-2971] [2023-11-21 21:02:04,174 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2974-2975] [2023-11-21 21:02:04,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (buf + i), "i" (1UL)); [5470-5471] [2023-11-21 21:02:04,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5568] [2023-11-21 21:02:04,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5571] [2023-11-21 21:02:04,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5574] [2023-11-21 21:02:04,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5577] [2023-11-21 21:02:04,417 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [5580] [2023-11-21 21:02:04,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5591-5592] [2023-11-21 21:02:04,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5595-5596] [2023-11-21 21:02:04,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5599-5600] [2023-11-21 21:02:04,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5603-5604] [2023-11-21 21:02:04,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((int *)arg): "ebx"); [5607-5608] [2023-11-21 21:02:04,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5623-5624] [2023-11-21 21:02:04,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5627-5628] [2023-11-21 21:02:04,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5631-5632] [2023-11-21 21:02:04,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5635-5636] [2023-11-21 21:02:04,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((int *)arg): "ebx"); [5639-5640] [2023-11-21 21:02:04,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)arg), "i" (4UL)); [5648-5649] [2023-11-21 21:02:04,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5662-5663] [2023-11-21 21:02:04,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5666-5667] [2023-11-21 21:02:04,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5670-5671] [2023-11-21 21:02:04,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5674-5675] [2023-11-21 21:02:04,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)arg): "ebx"); [5678-5679] [2023-11-21 21:02:04,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" ((int *)arg), "i" (4UL)); [5689-5690] [2023-11-21 21:02:04,569 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_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2023-11-21 21:02:04,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:05,308 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:02:05,309 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:02:05,319 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:02:05,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05 WrapperNode [2023-11-21 21:02:05,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:05,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:05,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:02:05,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:02:05,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,871 INFO L138 Inliner]: procedures = 243, calls = 6571, calls flagged for inlining = 120, calls inlined = 82, statements flattened = 8055 [2023-11-21 21:02:05,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:05,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:02:05,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:02:05,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:02:05,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:05,993 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:06,770 INFO L187 HeapSplitter]: Split 5340 memory accesses to 32 slices as follows [4718, 3, 7, 392, 14, 2, 14, 4, 4, 4, 4, 7, 4, 5, 21, 4, 5, 4, 4, 4, 4, 5, 11, 4, 4, 30, 30, 1, 3, 10, 10, 4] [2023-11-21 21:02:06,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:06,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:07,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:07,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:07,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:07,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:07,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:02:07,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:02:07,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:02:07,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:02:07,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (1/1) ... [2023-11-21 21:02:07,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:07,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:07,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:02:07,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf12d7f-4bd8-4161-9060-15b76dd6dc3c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:02:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_enable [2023-11-21 21:02:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_enable [2023-11-21 21:02:07,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 21:02:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 21:02:07,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2023-11-21 21:02:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2023-11-21 21:02:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_write_value [2023-11-21 21:02:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_write_value [2023-11-21 21:02:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_data_mutex [2023-11-21 21:02:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_data_mutex [2023-11-21 21:02:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_read_value [2023-11-21 21:02:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_read_value [2023-11-21 21:02:07,463 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-11-21 21:02:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-11-21 21:02:07,463 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 21:02:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 21:02:07,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 21:02:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 21:02:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-21 21:02:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-21 21:02:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-21 21:02:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-21 21:02:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-21 21:02:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-21 21:02:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:02:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2023-11-21 21:02:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2023-11-21 21:02:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-21 21:02:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-21 21:02:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-21 21:02:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-21 21:02:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-21 21:02:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-21 21:02:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-21 21:02:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-21 21:02:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-21 21:02:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-21 21:02:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-21 21:02:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-21 21:02:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-21 21:02:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-21 21:02:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-21 21:02:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-21 21:02:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-21 21:02:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-21 21:02:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-21 21:02:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-21 21:02:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-21 21:02:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-21 21:02:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-21 21:02:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-21 21:02:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-21 21:02:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-21 21:02:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-21 21:02:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-21 21:02:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-21 21:02:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-21 21:02:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-21 21:02:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-21 21:02:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-21 21:02:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:02:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-21 21:02:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-21 21:02:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-21 21:02:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-21 21:02:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-21 21:02:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-21 21:02:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-21 21:02:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-21 21:02:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-21 21:02:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-21 21:02:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-21 21:02:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-21 21:02:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-21 21:02:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-21 21:02:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-21 21:02:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-21 21:02:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-21 21:02:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-21 21:02:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-21 21:02:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-21 21:02:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-21 21:02:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-21 21:02:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-21 21:02:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-21 21:02:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-21 21:02:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-21 21:02:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-21 21:02:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-21 21:02:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-21 21:02:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-21 21:02:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-21 21:02:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-21 21:02:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-21 21:02:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-21 21:02:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2023-11-21 21:02:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2023-11-21 21:02:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-21 21:02:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-21 21:02:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-21 21:02:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-21 21:02:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-21 21:02:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-21 21:02:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-21 21:02:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-21 21:02:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 21:02:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 21:02:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 21:02:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 21:02:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 21:02:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 21:02:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 21:02:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-21 21:02:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-21 21:02:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-21 21:02:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-21 21:02:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-21 21:02:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-21 21:02:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-21 21:02:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-21 21:02:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-21 21:02:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-21 21:02:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-21 21:02:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-21 21:02:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-21 21:02:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-21 21:02:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-21 21:02:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-21 21:02:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-21 21:02:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-21 21:02:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-21 21:02:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-21 21:02:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-21 21:02:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-21 21:02:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-21 21:02:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-21 21:02:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-21 21:02:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-11-21 21:02:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-11-21 21:02:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 21:02:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 21:02:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2023-11-21 21:02:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2023-11-21 21:02:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 21:02:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 21:02:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 21:02:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 21:02:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 21:02:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 21:02:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 21:02:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-21 21:02:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-21 21:02:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-21 21:02:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-21 21:02:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-21 21:02:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-21 21:02:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-21 21:02:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-21 21:02:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-21 21:02:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-21 21:02:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-21 21:02:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-21 21:02:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-21 21:02:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-21 21:02:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-21 21:02:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-21 21:02:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-21 21:02:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-21 21:02:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-21 21:02:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-21 21:02:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-21 21:02:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-21 21:02:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-21 21:02:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-21 21:02:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-21 21:02:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-21 21:02:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-21 21:02:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-21 21:02:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-21 21:02:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 21:02:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 21:02:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:02:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:02:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-21 21:02:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-21 21:02:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-21 21:02:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-21 21:02:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-21 21:02:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-21 21:02:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-21 21:02:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-21 21:02:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-21 21:02:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-21 21:02:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-21 21:02:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-21 21:02:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-21 21:02:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-21 21:02:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-21 21:02:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-21 21:02:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-21 21:02:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-21 21:02:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-21 21:02:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-21 21:02:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-21 21:02:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-21 21:02:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-21 21:02:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-21 21:02:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-21 21:02:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-21 21:02:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-21 21:02:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-21 21:02:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-21 21:02:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-21 21:02:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-21 21:02:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-21 21:02:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_data_mutex [2023-11-21 21:02:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_data_mutex [2023-11-21 21:02:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_disable [2023-11-21 21:02:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_disable [2023-11-21 21:02:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 21:02:07,513 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 21:02:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2023-11-21 21:02:07,513 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2023-11-21 21:02:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2023-11-21 21:02:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2023-11-21 21:02:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_trigger [2023-11-21 21:02:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_trigger [2023-11-21 21:02:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-21 21:02:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-21 21:02:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:02:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 21:02:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 21:02:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 21:02:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 21:02:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 21:02:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 21:02:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-21 21:02:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-21 21:02:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-21 21:02:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-21 21:02:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-21 21:02:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-21 21:02:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-21 21:02:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-21 21:02:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-21 21:02:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-21 21:02:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-21 21:02:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-21 21:02:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-21 21:02:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-21 21:02:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-21 21:02:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-21 21:02:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-21 21:02:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-21 21:02:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-21 21:02:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-21 21:02:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-21 21:02:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-21 21:02:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-21 21:02:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-21 21:02:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-21 21:02:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2023-11-21 21:02:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2023-11-21 21:02:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-21 21:02:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-21 21:02:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:02:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:02:08,191 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:02:08,195 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:02:25,088 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:02:28,916 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:02:28,916 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 21:02:28,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:28 BoogieIcfgContainer [2023-11-21 21:02:28,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:02:28,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:02:28,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:02:28,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:02:28,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:02:00" (1/3) ... [2023-11-21 21:02:28,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c263087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:28, skipping insertion in model container [2023-11-21 21:02:28,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:05" (2/3) ... [2023-11-21 21:02:28,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c263087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:28, skipping insertion in model container [2023-11-21 21:02:28,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:28" (3/3) ... [2023-11-21 21:02:28,931 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2023-11-21 21:02:28,952 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:02:28,952 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 21:02:29,032 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:02:29,043 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;@673868a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:02:29,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 21:02:29,055 INFO L276 IsEmpty]: Start isEmpty. Operand has 567 states, 351 states have (on average 1.376068376068376) internal successors, (483), 365 states have internal predecessors, (483), 180 states have call successors, (180), 34 states have call predecessors, (180), 34 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) [2023-11-21 21:02:29,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 21:02:29,071 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:29,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:29,072 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:02:29,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:29,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1698890295, now seen corresponding path program 1 times [2023-11-21 21:02:29,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:29,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023690287] [2023-11-21 21:02:29,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:29,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:31,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:31,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:31,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023690287] [2023-11-21 21:02:31,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023690287] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:31,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:31,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:02:31,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530363573] [2023-11-21 21:02:31,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:31,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:31,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:31,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:31,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:31,160 INFO L87 Difference]: Start difference. First operand has 567 states, 351 states have (on average 1.376068376068376) internal successors, (483), 365 states have internal predecessors, (483), 180 states have call successors, (180), 34 states have call predecessors, (180), 34 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:32,342 INFO L93 Difference]: Finished difference Result 1131 states and 1716 transitions. [2023-11-21 21:02:32,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:32,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-21 21:02:32,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:32,361 INFO L225 Difference]: With dead ends: 1131 [2023-11-21 21:02:32,361 INFO L226 Difference]: Without dead ends: 563 [2023-11-21 21:02:32,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:32,373 INFO L413 NwaCegarLoop]: 728 mSDtfsCounter, 825 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:32,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 728 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-21 21:02:32,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2023-11-21 21:02:32,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2023-11-21 21:02:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 350 states have (on average 1.3657142857142857) internal successors, (478), 361 states have internal predecessors, (478), 179 states have call successors, (179), 34 states have call predecessors, (179), 33 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2023-11-21 21:02:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 827 transitions. [2023-11-21 21:02:32,504 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 827 transitions. Word has length 7 [2023-11-21 21:02:32,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:32,505 INFO L495 AbstractCegarLoop]: Abstraction has 563 states and 827 transitions. [2023-11-21 21:02:32,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:32,505 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 827 transitions. [2023-11-21 21:02:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 21:02:32,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:32,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:32,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:02:32,508 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:02:32,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:32,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1125650631, now seen corresponding path program 1 times [2023-11-21 21:02:32,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:32,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341540201] [2023-11-21 21:02:32,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:32,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:33,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:33,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:33,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341540201] [2023-11-21 21:02:33,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341540201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:33,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:33,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:02:33,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947425298] [2023-11-21 21:02:33,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:33,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:33,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:33,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:33,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:33,823 INFO L87 Difference]: Start difference. First operand 563 states and 827 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:36,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:02:36,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:36,663 INFO L93 Difference]: Finished difference Result 565 states and 828 transitions. [2023-11-21 21:02:36,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:36,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-21 21:02:36,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:36,669 INFO L225 Difference]: With dead ends: 565 [2023-11-21 21:02:36,669 INFO L226 Difference]: Without dead ends: 562 [2023-11-21 21:02:36,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:36,672 INFO L413 NwaCegarLoop]: 725 mSDtfsCounter, 820 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:36,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 725 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2023-11-21 21:02:36,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2023-11-21 21:02:36,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562. [2023-11-21 21:02:36,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 350 states have (on average 1.3628571428571428) internal successors, (477), 360 states have internal predecessors, (477), 178 states have call successors, (178), 34 states have call predecessors, (178), 33 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2023-11-21 21:02:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 825 transitions. [2023-11-21 21:02:36,729 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 825 transitions. Word has length 8 [2023-11-21 21:02:36,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:36,729 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 825 transitions. [2023-11-21 21:02:36,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:36,730 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 825 transitions. [2023-11-21 21:02:36,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 21:02:36,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:36,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:36,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:02:36,732 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:02:36,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:36,732 INFO L85 PathProgramCache]: Analyzing trace with hash 535095098, now seen corresponding path program 1 times [2023-11-21 21:02:36,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:36,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999431625] [2023-11-21 21:02:36,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:36,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:37,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:37,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999431625] [2023-11-21 21:02:37,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999431625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:37,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:37,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:02:37,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118541482] [2023-11-21 21:02:37,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:37,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:37,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:37,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:37,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:37,998 INFO L87 Difference]: Start difference. First operand 562 states and 825 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:39,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:39,202 INFO L93 Difference]: Finished difference Result 564 states and 826 transitions. [2023-11-21 21:02:39,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:39,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-21 21:02:39,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:39,208 INFO L225 Difference]: With dead ends: 564 [2023-11-21 21:02:39,208 INFO L226 Difference]: Without dead ends: 561 [2023-11-21 21:02:39,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:39,210 INFO L413 NwaCegarLoop]: 723 mSDtfsCounter, 817 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:39,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 723 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-21 21:02:39,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2023-11-21 21:02:39,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 561. [2023-11-21 21:02:39,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 350 states have (on average 1.36) internal successors, (476), 359 states have internal predecessors, (476), 177 states have call successors, (177), 34 states have call predecessors, (177), 33 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2023-11-21 21:02:39,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 823 transitions. [2023-11-21 21:02:39,263 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 823 transitions. Word has length 9 [2023-11-21 21:02:39,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:39,263 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 823 transitions. [2023-11-21 21:02:39,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:02:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 823 transitions. [2023-11-21 21:02:39,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 21:02:39,265 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:39,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:39,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 21:02:39,265 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 21:02:39,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:39,266 INFO L85 PathProgramCache]: Analyzing trace with hash -592252374, now seen corresponding path program 1 times [2023-11-21 21:02:39,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:39,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520859301] [2023-11-21 21:02:39,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:39,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:40,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:40,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520859301] [2023-11-21 21:02:40,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520859301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:40,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:40,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:02:40,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750534146] [2023-11-21 21:02:40,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:40,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:40,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:40,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:40,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:40,317 INFO L87 Difference]: Start difference. First operand 561 states and 823 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)