./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme --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 20e4a1f568783894f17840aa5f338f3fb65a6686c2b0eb1bb7dec08049ab8d00 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:04:01,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:04:01,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 12:04:01,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:04:01,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:04:01,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:04:01,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:04:01,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:04:01,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:04:01,904 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:04:01,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:04:01,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:04:01,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:04:01,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:04:01,910 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:04:01,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:04:01,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:04:01,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:04:01,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:04:01,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:04:01,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:04:01,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:04:01,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:04:01,915 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:04:01,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:04:01,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:04:01,917 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:04:01,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:04:01,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:04:01,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:04:01,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:04:01,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:04:01,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:04:01,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:04:01,921 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:04:01,921 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:04:01,922 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:04:01,922 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:04:01,922 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:04:01,922 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_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20e4a1f568783894f17840aa5f338f3fb65a6686c2b0eb1bb7dec08049ab8d00 [2023-11-26 12:04:02,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:04:02,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:04:02,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:04:02,257 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:04:02,258 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:04:02,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i [2023-11-26 12:04:05,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:04:05,916 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:04:05,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i [2023-11-26 12:04:05,960 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme/data/4dfbced1b/6fa2369482e04a9985a5085477420cb7/FLAG6f5176c8c [2023-11-26 12:04:05,979 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme/data/4dfbced1b/6fa2369482e04a9985a5085477420cb7 [2023-11-26 12:04:05,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:04:05,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:04:05,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:04:05,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:04:05,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:04:05,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:05" (1/1) ... [2023-11-26 12:04:05,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4921fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:05, skipping insertion in model container [2023-11-26 12:04:06,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:05" (1/1) ... [2023-11-26 12:04:06,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:04:07,620 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_60b3788d-e226-4a60-b049-e7b194069fbb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i[175998,176011] [2023-11-26 12:04:07,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:04:07,796 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:04:07,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [2452] [2023-11-26 12:04:07,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2455] [2023-11-26 12:04:07,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2458] [2023-11-26 12:04:07,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [2461] [2023-11-26 12:04:07,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2613] [2023-11-26 12:04:07,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2621] [2023-11-26 12:04:07,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [2899-2900] [2023-11-26 12:04:07,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [2904-2905] [2023-11-26 12:04:07,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [2909-2910] [2023-11-26 12:04:07,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [2914-2915] [2023-11-26 12:04:07,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [3218-3219] [2023-11-26 12:04:07,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [3223-3224] [2023-11-26 12:04:07,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [3228-3229] [2023-11-26 12:04:07,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [3233-3234] [2023-11-26 12:04:07,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___15->state): : "memory", "cc"); [3313-3314] [2023-11-26 12:04:07,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___16->state): : "memory", "cc"); [3318-3319] [2023-11-26 12:04:07,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [3323-3324] [2023-11-26 12:04:07,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [3328-3329] [2023-11-26 12:04:08,137 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_60b3788d-e226-4a60-b049-e7b194069fbb/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i[175998,176011] [2023-11-26 12:04:08,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:04:08,406 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:08,407 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:08,407 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:08,415 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:04:08,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08 WrapperNode [2023-11-26 12:04:08,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:04:08,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:04:08,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:04:08,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:04:08,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08" (1/1) ... [2023-11-26 12:04:08,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08" (1/1) ... [2023-11-26 12:04:08,761 INFO L138 Inliner]: procedures = 199, calls = 2245, calls flagged for inlining = 73, calls inlined = 51, statements flattened = 3343 [2023-11-26 12:04:08,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:04:08,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:04:08,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:04:08,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:04:08,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08" (1/1) ... [2023-11-26 12:04:08,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08" (1/1) ... [2023-11-26 12:04:08,796 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08" (1/1) ... [2023-11-26 12:04:08,978 INFO L175 MemorySlicer]: Split 1107 memory accesses to 33 slices as follows [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 5, 3, 6, 3, 7, 3, 20, 1, 4, 305, 4, 113, 4, 113, 4, 10, 3, 23, 186, 2, 20, 231, 3]. 28 percent of accesses are in the largest equivalence class. The 638 initializations are split as follows [4, 4, 4, 4, 3, 3, 3, 3, 2, 3, 5, 3, 5, 3, 5, 3, 16, 0, 4, 288, 4, 96, 4, 96, 4, 0, 0, 23, 44, 2, 0, 0, 0]. The 310 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 3, 0, 81, 0, 16, 198, 2]. [2023-11-26 12:04:08,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08" (1/1) ... [2023-11-26 12:04:08,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08" (1/1) ... [2023-11-26 12:04:09,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08" (1/1) ... [2023-11-26 12:04:09,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08" (1/1) ... [2023-11-26 12:04:09,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08" (1/1) ... [2023-11-26 12:04:09,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08" (1/1) ... [2023-11-26 12:04:09,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:04:09,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:04:09,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:04:09,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:04:09,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08" (1/1) ... [2023-11-26 12:04:09,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:04:09,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:09,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:04:09,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60b3788d-e226-4a60-b049-e7b194069fbb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:04:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-26 12:04:09,294 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-26 12:04:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-26 12:04:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-26 12:04:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-26 12:04:09,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 12:04:09,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 12:04:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-26 12:04:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-26 12:04:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-26 12:04:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-26 12:04:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 12:04:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 12:04:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_abituguru_data [2023-11-26 12:04:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_abituguru_data [2023-11-26 12:04:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-26 12:04:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-26 12:04:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 12:04:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 12:04:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-26 12:04:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-26 12:04:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:04:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:04:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_resume [2023-11-26 12:04:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_resume [2023-11-26 12:04:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-26 12:04:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-26 12:04:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:04:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 12:04:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 12:04:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 12:04:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 12:04:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 12:04:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 12:04:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 12:04:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 12:04:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 12:04:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 12:04:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 12:04:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 12:04:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 12:04:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 12:04:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 12:04:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 12:04:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 12:04:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 12:04:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-26 12:04:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-26 12:04:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-26 12:04:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-26 12:04:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-26 12:04:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-26 12:04:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-26 12:04:09,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-26 12:04:09,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-26 12:04:09,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-26 12:04:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-26 12:04:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-26 12:04:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-26 12:04:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-26 12:04:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2023-11-26 12:04:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-26 12:04:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-26 12:04:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:04:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 12:04:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 12:04:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 12:04:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 12:04:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 12:04:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 12:04:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 12:04:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 12:04:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 12:04:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 12:04:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 12:04:09,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 12:04:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 12:04:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 12:04:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 12:04:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 12:04:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 12:04:09,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 12:04:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-26 12:04:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-26 12:04:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-26 12:04:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-26 12:04:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-26 12:04:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-26 12:04:09,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-26 12:04:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-26 12:04:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-26 12:04:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-26 12:04:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-26 12:04:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-26 12:04:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-26 12:04:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-26 12:04:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2023-11-26 12:04:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-26 12:04:09,318 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-26 12:04:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_abituguru_data [2023-11-26 12:04:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_abituguru_data [2023-11-26 12:04:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-26 12:04:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-26 12:04:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_send_address [2023-11-26 12:04:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_send_address [2023-11-26 12:04:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-26 12:04:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-26 12:04:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:04:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:04:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 12:04:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 12:04:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 12:04:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 12:04:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 12:04:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 12:04:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 12:04:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 12:04:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 12:04:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 12:04:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 12:04:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 12:04:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 12:04:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 12:04:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 12:04:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 12:04:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 12:04:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 12:04:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 12:04:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-26 12:04:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-26 12:04:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-26 12:04:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-26 12:04:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-26 12:04:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-26 12:04:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-26 12:04:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-26 12:04:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-26 12:04:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-26 12:04:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-26 12:04:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-26 12:04:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_wait [2023-11-26 12:04:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_wait [2023-11-26 12:04:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_remove [2023-11-26 12:04:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_remove [2023-11-26 12:04:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:04:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:04:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:04:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 12:04:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 12:04:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 12:04:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 12:04:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 12:04:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 12:04:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 12:04:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 12:04:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 12:04:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 12:04:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 12:04:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 12:04:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 12:04:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 12:04:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 12:04:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 12:04:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 12:04:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 12:04:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-26 12:04:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-26 12:04:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-26 12:04:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-26 12:04:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-26 12:04:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-26 12:04:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-26 12:04:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-26 12:04:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-26 12:04:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-26 12:04:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-26 12:04:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-26 12:04:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-26 12:04:09,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-26 12:04:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 12:04:09,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 12:04:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-26 12:04:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-26 12:04:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 12:04:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-11-26 12:04:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-11-26 12:04:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:04:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_write [2023-11-26 12:04:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_write [2023-11-26 12:04:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 12:04:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 12:04:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 12:04:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 12:04:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 12:04:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 12:04:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 12:04:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 12:04:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 12:04:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 12:04:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 12:04:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 12:04:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 12:04:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 12:04:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 12:04:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 12:04:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 12:04:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 12:04:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-26 12:04:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-26 12:04:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-26 12:04:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-26 12:04:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-26 12:04:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-26 12:04:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-26 12:04:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-26 12:04:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-26 12:04:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-26 12:04:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-26 12:04:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-26 12:04:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-26 12:04:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-26 12:04:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2023-11-26 12:04:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_ready [2023-11-26 12:04:09,350 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_ready [2023-11-26 12:04:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-26 12:04:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_suspend [2023-11-26 12:04:09,350 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_suspend [2023-11-26 12:04:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_read [2023-11-26 12:04:09,351 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_read [2023-11-26 12:04:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure abituguru_probe [2023-11-26 12:04:09,351 INFO L138 BoogieDeclarations]: Found implementation of procedure abituguru_probe [2023-11-26 12:04:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-26 12:04:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-26 12:04:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-26 12:04:09,424 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-26 12:04:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:04:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:04:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:04:09,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 12:04:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 12:04:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 12:04:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 12:04:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 12:04:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 12:04:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 12:04:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 12:04:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 12:04:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 12:04:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 12:04:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 12:04:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 12:04:09,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 12:04:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 12:04:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 12:04:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 12:04:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 12:04:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-26 12:04:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-26 12:04:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-26 12:04:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-26 12:04:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-26 12:04:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-26 12:04:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-26 12:04:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-26 12:04:09,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-26 12:04:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-26 12:04:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-26 12:04:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-26 12:04:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-26 12:04:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-26 12:04:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:04:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:04:09,427 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-26 12:04:09,427 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-26 12:04:10,026 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:04:10,030 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:04:10,088 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 12:04:26,656 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:04:26,955 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:04:26,959 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 12:04:26,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:04:26 BoogieIcfgContainer [2023-11-26 12:04:26,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:04:26,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:04:26,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:04:26,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:04:26,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:04:05" (1/3) ... [2023-11-26 12:04:26,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c3e915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:04:26, skipping insertion in model container [2023-11-26 12:04:26,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:08" (2/3) ... [2023-11-26 12:04:26,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c3e915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:04:26, skipping insertion in model container [2023-11-26 12:04:26,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:04:26" (3/3) ... [2023-11-26 12:04:26,975 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--abituguru.ko-entry_point.cil.out.i [2023-11-26 12:04:26,997 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:04:26,997 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:04:27,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:04:27,109 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;@294326b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:04:27,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:04:27,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 772 states, 556 states have (on average 1.5233812949640289) internal successors, (847), 570 states have internal predecessors, (847), 181 states have call successors, (181), 34 states have call predecessors, (181), 33 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2023-11-26 12:04:27,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-26 12:04:27,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:27,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:27,143 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:27,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:27,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1335882488, now seen corresponding path program 1 times [2023-11-26 12:04:27,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:27,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990759471] [2023-11-26 12:04:27,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:27,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:04:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:28,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:28,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990759471] [2023-11-26 12:04:28,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990759471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:28,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:28,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:04:28,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995575211] [2023-11-26 12:04:28,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:28,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:28,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:28,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:28,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:28,239 INFO L87 Difference]: Start difference. First operand has 772 states, 556 states have (on average 1.5233812949640289) internal successors, (847), 570 states have internal predecessors, (847), 181 states have call successors, (181), 34 states have call predecessors, (181), 33 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 12:04:29,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:29,123 INFO L93 Difference]: Finished difference Result 2255 states and 3557 transitions. [2023-11-26 12:04:29,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:29,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-11-26 12:04:29,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:29,169 INFO L225 Difference]: With dead ends: 2255 [2023-11-26 12:04:29,169 INFO L226 Difference]: Without dead ends: 1472 [2023-11-26 12:04:29,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:29,190 INFO L413 NwaCegarLoop]: 1949 mSDtfsCounter, 1167 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 3008 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:29,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 3008 Invalid, 169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 12:04:29,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2023-11-26 12:04:29,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1468. [2023-11-26 12:04:29,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 1068 states have (on average 1.5084269662921348) internal successors, (1611), 1080 states have internal predecessors, (1611), 335 states have call successors, (335), 65 states have call predecessors, (335), 64 states have return successors, (330), 330 states have call predecessors, (330), 330 states have call successors, (330) [2023-11-26 12:04:29,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 2276 transitions. [2023-11-26 12:04:29,446 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 2276 transitions. Word has length 15 [2023-11-26 12:04:29,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:29,447 INFO L495 AbstractCegarLoop]: Abstraction has 1468 states and 2276 transitions. [2023-11-26 12:04:29,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 12:04:29,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 2276 transitions. [2023-11-26 12:04:29,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-26 12:04:29,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:29,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:29,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:04:29,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:29,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:29,454 INFO L85 PathProgramCache]: Analyzing trace with hash 2117468004, now seen corresponding path program 1 times [2023-11-26 12:04:29,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:29,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160122093] [2023-11-26 12:04:29,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:29,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:29,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 12:04:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:29,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:29,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:29,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160122093] [2023-11-26 12:04:29,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160122093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:29,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:29,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:04:29,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202814081] [2023-11-26 12:04:29,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:29,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:29,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:29,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:29,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:29,912 INFO L87 Difference]: Start difference. First operand 1468 states and 2276 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 12:04:30,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:30,487 INFO L93 Difference]: Finished difference Result 4184 states and 6469 transitions. [2023-11-26 12:04:30,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:30,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-26 12:04:30,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:30,517 INFO L225 Difference]: With dead ends: 4184 [2023-11-26 12:04:30,517 INFO L226 Difference]: Without dead ends: 2717 [2023-11-26 12:04:30,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:30,535 INFO L413 NwaCegarLoop]: 1136 mSDtfsCounter, 1000 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 2204 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:30,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 2204 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 12:04:30,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2023-11-26 12:04:30,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2704. [2023-11-26 12:04:30,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 1955 states have (on average 1.4900255754475704) internal successors, (2913), 1975 states have internal predecessors, (2913), 635 states have call successors, (635), 114 states have call predecessors, (635), 113 states have return successors, (630), 630 states have call predecessors, (630), 630 states have call successors, (630) [2023-11-26 12:04:30,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 4178 transitions. [2023-11-26 12:04:30,784 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 4178 transitions. Word has length 22 [2023-11-26 12:04:30,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:30,785 INFO L495 AbstractCegarLoop]: Abstraction has 2704 states and 4178 transitions. [2023-11-26 12:04:30,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 12:04:30,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 4178 transitions. [2023-11-26 12:04:30,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-26 12:04:30,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:30,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:30,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:04:30,793 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:30,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:30,795 INFO L85 PathProgramCache]: Analyzing trace with hash -518395715, now seen corresponding path program 1 times [2023-11-26 12:04:30,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:30,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632284682] [2023-11-26 12:04:30,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:30,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:31,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:04:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:31,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:31,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632284682] [2023-11-26 12:04:31,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632284682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:31,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:31,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:04:31,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052009319] [2023-11-26 12:04:31,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:31,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:04:31,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:31,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:04:31,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:04:31,207 INFO L87 Difference]: Start difference. First operand 2704 states and 4178 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 12:04:34,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:34,121 INFO L93 Difference]: Finished difference Result 2714 states and 4199 transitions. [2023-11-26 12:04:34,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:04:34,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-26 12:04:34,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:34,146 INFO L225 Difference]: With dead ends: 2714 [2023-11-26 12:04:34,147 INFO L226 Difference]: Without dead ends: 2711 [2023-11-26 12:04:34,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:34,151 INFO L413 NwaCegarLoop]: 1028 mSDtfsCounter, 1083 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:34,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 1720 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-26 12:04:34,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2711 states. [2023-11-26 12:04:34,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2711 to 2703. [2023-11-26 12:04:34,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2703 states, 1955 states have (on average 1.4895140664961637) internal successors, (2912), 1974 states have internal predecessors, (2912), 634 states have call successors, (634), 114 states have call predecessors, (634), 113 states have return successors, (630), 630 states have call predecessors, (630), 630 states have call successors, (630) [2023-11-26 12:04:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 2703 states and 4176 transitions. [2023-11-26 12:04:34,368 INFO L78 Accepts]: Start accepts. Automaton has 2703 states and 4176 transitions. Word has length 22 [2023-11-26 12:04:34,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:34,368 INFO L495 AbstractCegarLoop]: Abstraction has 2703 states and 4176 transitions. [2023-11-26 12:04:34,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 12:04:34,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2703 states and 4176 transitions. [2023-11-26 12:04:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-26 12:04:34,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:34,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:34,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:04:34,371 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:34,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:34,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1109409757, now seen corresponding path program 1 times [2023-11-26 12:04:34,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:34,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268364451] [2023-11-26 12:04:34,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:34,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:34,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:04:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:34,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:34,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268364451] [2023-11-26 12:04:34,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268364451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:34,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:34,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:04:34,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591490542] [2023-11-26 12:04:34,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:34,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:04:34,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:34,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:04:34,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:04:34,796 INFO L87 Difference]: Start difference. First operand 2703 states and 4176 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 12:04:37,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:37,978 INFO L93 Difference]: Finished difference Result 2713 states and 4197 transitions. [2023-11-26 12:04:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:04:37,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-26 12:04:37,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:38,002 INFO L225 Difference]: With dead ends: 2713 [2023-11-26 12:04:38,002 INFO L226 Difference]: Without dead ends: 2710 [2023-11-26 12:04:38,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:38,006 INFO L413 NwaCegarLoop]: 1026 mSDtfsCounter, 1080 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:38,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 1717 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-26 12:04:38,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2023-11-26 12:04:38,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2702. [2023-11-26 12:04:38,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2702 states, 1955 states have (on average 1.489002557544757) internal successors, (2911), 1973 states have internal predecessors, (2911), 633 states have call successors, (633), 114 states have call predecessors, (633), 113 states have return successors, (630), 630 states have call predecessors, (630), 630 states have call successors, (630) [2023-11-26 12:04:38,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2702 states and 4174 transitions. [2023-11-26 12:04:38,227 INFO L78 Accepts]: Start accepts. Automaton has 2702 states and 4174 transitions. Word has length 23 [2023-11-26 12:04:38,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:38,228 INFO L495 AbstractCegarLoop]: Abstraction has 2702 states and 4174 transitions. [2023-11-26 12:04:38,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 12:04:38,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 4174 transitions. [2023-11-26 12:04:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-26 12:04:38,230 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:38,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:38,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:04:38,231 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:38,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:38,231 INFO L85 PathProgramCache]: Analyzing trace with hash 31776704, now seen corresponding path program 1 times [2023-11-26 12:04:38,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:38,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373332863] [2023-11-26 12:04:38,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:38,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:38,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:04:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:38,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:38,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373332863] [2023-11-26 12:04:38,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373332863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:38,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:38,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:04:38,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032096882] [2023-11-26 12:04:38,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:38,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:04:38,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:38,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:04:38,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:04:38,619 INFO L87 Difference]: Start difference. First operand 2702 states and 4174 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 12:04:43,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:43,216 INFO L93 Difference]: Finished difference Result 8066 states and 12502 transitions. [2023-11-26 12:04:43,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:04:43,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-11-26 12:04:43,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:43,306 INFO L225 Difference]: With dead ends: 8066 [2023-11-26 12:04:43,306 INFO L226 Difference]: Without dead ends: 5357 [2023-11-26 12:04:43,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:04:43,320 INFO L413 NwaCegarLoop]: 1027 mSDtfsCounter, 1145 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 2605 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:43,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 2605 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-26 12:04:43,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5357 states. [2023-11-26 12:04:43,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5357 to 5332. [2023-11-26 12:04:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5332 states, 3861 states have (on average 1.4897694897694898) internal successors, (5752), 3904 states have internal predecessors, (5752), 1257 states have call successors, (1257), 221 states have call predecessors, (1257), 213 states have return successors, (1247), 1238 states have call predecessors, (1247), 1247 states have call successors, (1247) [2023-11-26 12:04:43,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5332 states to 5332 states and 8256 transitions. [2023-11-26 12:04:43,724 INFO L78 Accepts]: Start accepts. Automaton has 5332 states and 8256 transitions. Word has length 24 [2023-11-26 12:04:43,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:43,725 INFO L495 AbstractCegarLoop]: Abstraction has 5332 states and 8256 transitions. [2023-11-26 12:04:43,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 12:04:43,726 INFO L276 IsEmpty]: Start isEmpty. Operand 5332 states and 8256 transitions. [2023-11-26 12:04:43,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-26 12:04:43,733 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:43,733 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:43,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 12:04:43,734 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:43,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:43,734 INFO L85 PathProgramCache]: Analyzing trace with hash 87892329, now seen corresponding path program 1 times [2023-11-26 12:04:43,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:43,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50209179] [2023-11-26 12:04:43,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:43,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:04:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:44,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 12:04:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:44,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:44,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:04:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:44,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-26 12:04:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 12:04:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:44,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:44,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:44,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50209179] [2023-11-26 12:04:44,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50209179] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:44,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:44,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:04:44,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691606023] [2023-11-26 12:04:44,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:44,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:04:44,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:44,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:04:44,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:04:44,376 INFO L87 Difference]: Start difference. First operand 5332 states and 8256 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:04:47,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:04:52,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:04:52,738 INFO L93 Difference]: Finished difference Result 10710 states and 16583 transitions. [2023-11-26 12:04:52,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:04:52,738 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 61 [2023-11-26 12:04:52,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:04:52,780 INFO L225 Difference]: With dead ends: 10710 [2023-11-26 12:04:52,780 INFO L226 Difference]: Without dead ends: 5375 [2023-11-26 12:04:52,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-26 12:04:52,804 INFO L413 NwaCegarLoop]: 791 mSDtfsCounter, 261 mSDsluCounter, 3021 mSDsCounter, 0 mSdLazyCounter, 2290 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 3812 SdHoareTripleChecker+Invalid, 2451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 2290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-11-26 12:04:52,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 3812 Invalid, 2451 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [161 Valid, 2290 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-11-26 12:04:52,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5375 states. [2023-11-26 12:04:53,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5375 to 5334. [2023-11-26 12:04:53,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5334 states, 3863 states have (on average 1.4884804556044524) internal successors, (5750), 3906 states have internal predecessors, (5750), 1257 states have call successors, (1257), 221 states have call predecessors, (1257), 213 states have return successors, (1247), 1238 states have call predecessors, (1247), 1247 states have call successors, (1247) [2023-11-26 12:04:53,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5334 states to 5334 states and 8254 transitions. [2023-11-26 12:04:53,224 INFO L78 Accepts]: Start accepts. Automaton has 5334 states and 8254 transitions. Word has length 61 [2023-11-26 12:04:53,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:04:53,226 INFO L495 AbstractCegarLoop]: Abstraction has 5334 states and 8254 transitions. [2023-11-26 12:04:53,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:04:53,228 INFO L276 IsEmpty]: Start isEmpty. Operand 5334 states and 8254 transitions. [2023-11-26 12:04:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 12:04:53,236 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:04:53,236 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1] [2023-11-26 12:04:53,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 12:04:53,236 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:04:53,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:53,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1071290908, now seen corresponding path program 1 times [2023-11-26 12:04:53,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:53,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234901510] [2023-11-26 12:04:53,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:53,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:53,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:04:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:53,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-26 12:04:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:53,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:53,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 12:04:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:53,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-26 12:04:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:53,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:53,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:04:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:53,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 12:04:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:53,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-26 12:04:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:53,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:04:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-26 12:04:53,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:53,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234901510] [2023-11-26 12:04:53,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234901510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:53,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:53,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:04:53,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993005124] [2023-11-26 12:04:53,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:53,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:04:53,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:53,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:04:53,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:04:53,941 INFO L87 Difference]: Start difference. First operand 5334 states and 8254 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 12:04:55,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []