./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--gpu--drm--ast--ast.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_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya --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 7e3ac2fcc053a51503ae18580c98d5f9812f019f35610d9038863980fd24a66a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:33:19,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:33:19,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-28 20:33:19,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:33:19,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:33:19,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:33:19,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:33:19,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:33:19,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:33:19,898 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:33:19,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:33:19,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:33:19,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:33:19,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:33:19,900 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:33:19,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:33:19,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:33:19,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:33:19,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:33:19,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:33:19,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:33:19,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:33:19,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:33:19,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:33:19,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:33:19,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:33:19,907 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 20:33:19,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:33:19,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:33:19,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:33:19,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:33:19,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:33:19,909 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:33:19,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 20:33:19,910 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:33:19,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:33:19,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:33:19,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:33:19,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:33:19,911 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_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e3ac2fcc053a51503ae18580c98d5f9812f019f35610d9038863980fd24a66a [2023-11-28 20:33:20,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:33:20,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:33:20,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:33:20,162 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:33:20,162 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:33:20,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2023-11-28 20:33:22,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:33:23,504 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:33:23,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2023-11-28 20:33:23,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya/data/695ab2e32/dffe4a886f4948bf9b801a29990a8ff4/FLAG9eb0870b7 [2023-11-28 20:33:23,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya/data/695ab2e32/dffe4a886f4948bf9b801a29990a8ff4 [2023-11-28 20:33:23,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:33:23,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:33:23,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:33:23,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:33:23,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:33:23,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:33:23" (1/1) ... [2023-11-28 20:33:23,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eaab130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:23, skipping insertion in model container [2023-11-28 20:33:23,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:33:23" (1/1) ... [2023-11-28 20:33:23,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:33:27,581 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_65aa54bf-7478-49c9-913c-0a87068a9958/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i[423705,423718] [2023-11-28 20:33:27,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:33:27,988 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:33:28,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [6840-6841] [2023-11-28 20:33:28,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [7921] [2023-11-28 20:33:28,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [7928] [2023-11-28 20:33:28,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (831), "i" (12UL)); [10494-10495] [2023-11-28 20:33:28,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [10500-10502] [2023-11-28 20:33:28,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [10534] [2023-11-28 20:33:28,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10537] [2023-11-28 20:33:28,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10540] [2023-11-28 20:33:28,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10543] [2023-11-28 20:33:28,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [10665] [2023-11-28 20:33:28,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10668] [2023-11-28 20:33:28,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10671] [2023-11-28 20:33:28,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10674] [2023-11-28 20:33:28,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [10685] [2023-11-28 20:33:28,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10688] [2023-11-28 20:33:28,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10691] [2023-11-28 20:33:28,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10694] [2023-11-28 20:33:28,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [10705] [2023-11-28 20:33:28,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10708] [2023-11-28 20:33:28,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10711] [2023-11-28 20:33:28,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10714] [2023-11-28 20:33:28,297 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [10725] [2023-11-28 20:33:28,297 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10728] [2023-11-28 20:33:28,297 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10731] [2023-11-28 20:33:28,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10734] [2023-11-28 20:33:28,441 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_65aa54bf-7478-49c9-913c-0a87068a9958/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i[423705,423718] [2023-11-28 20:33:28,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:33:28,883 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 20:33:28,883 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 20:33:28,891 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:33:28,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28 WrapperNode [2023-11-28 20:33:28,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:33:28,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:33:28,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:33:28,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:33:28,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28" (1/1) ... [2023-11-28 20:33:28,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28" (1/1) ... [2023-11-28 20:33:29,367 INFO L138 Inliner]: procedures = 649, calls = 4739, calls flagged for inlining = 324, calls inlined = 315, statements flattened = 13849 [2023-11-28 20:33:29,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:33:29,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:33:29,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:33:29,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:33:29,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28" (1/1) ... [2023-11-28 20:33:29,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28" (1/1) ... [2023-11-28 20:33:29,430 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28" (1/1) ... [2023-11-28 20:33:32,241 INFO L175 MemorySlicer]: Split 2812 memory accesses to 45 slices as follows [43, 7, 1, 13, 1, 4, 853, 9, 11, 2, 4, 6, 342, 13, 41, 4, 62, 12, 16, 4, 85, 12, 1, 28, 2, 3, 3, 12, 15, 15, 3, 2, 1, 5, 13, 4, 13, 60, 781, 4, 15, 258, 11, 4, 14]. 30 percent of accesses are in the largest equivalence class. The 1482 initializations are split as follows [0, 0, 0, 0, 0, 0, 815, 0, 0, 0, 0, 0, 0, 0, 41, 0, 62, 0, 0, 0, 81, 0, 0, 0, 2, 0, 3, 0, 0, 15, 0, 2, 0, 0, 13, 4, 13, 0, 147, 0, 14, 250, 8, 0, 12]. The 565 writes are split as follows [16, 2, 0, 4, 0, 2, 0, 2, 4, 1, 2, 4, 281, 4, 0, 2, 0, 5, 8, 2, 0, 5, 0, 10, 0, 1, 0, 2, 3, 0, 1, 0, 1, 3, 0, 0, 0, 2, 195, 1, 0, 0, 0, 2, 0]. [2023-11-28 20:33:32,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28" (1/1) ... [2023-11-28 20:33:32,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28" (1/1) ... [2023-11-28 20:33:32,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28" (1/1) ... [2023-11-28 20:33:32,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28" (1/1) ... [2023-11-28 20:33:32,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28" (1/1) ... [2023-11-28 20:33:32,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28" (1/1) ... [2023-11-28 20:33:32,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:33:32,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:33:32,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:33:32,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:33:32,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28" (1/1) ... [2023-11-28 20:33:32,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:33:32,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:33:32,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:33:32,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65aa54bf-7478-49c9-913c-0a87068a9958/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:33:32,762 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2023-11-28 20:33:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2023-11-28 20:33:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure wait_nack [2023-11-28 20:33:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_nack [2023-11-28 20:33:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ack [2023-11-28 20:33:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ack [2023-11-28 20:33:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-28 20:33:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-28 20:33:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure clear_cmd_trigger [2023-11-28 20:33:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_cmd_trigger [2023-11-28 20:33:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-28 20:33:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-28 20:33:32,764 INFO L130 BoogieDeclarations]: Found specification of procedure ast_init_dvo [2023-11-28 20:33:32,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_init_dvo [2023-11-28 20:33:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2023-11-28 20:33:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2023-11-28 20:33:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2023-11-28 20:33:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2023-11-28 20:33:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-28 20:33:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-28 20:33:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure drm_err [2023-11-28 20:33:32,765 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_err [2023-11-28 20:33:32,765 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-28 20:33:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-28 20:33:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2023-11-28 20:33:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2023-11-28 20:33:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_base_of_ww_mutex [2023-11-28 20:33:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_base_of_ww_mutex [2023-11-28 20:33:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_dpms [2023-11-28 20:33:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_dpms [2023-11-28 20:33:32,766 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_dp501_video_output [2023-11-28 20:33:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_dp501_video_output [2023-11-28 20:33:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2023-11-28 20:33:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2023-11-28 20:33:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2023-11-28 20:33:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2023-11-28 20:33:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2023-11-28 20:33:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2023-11-28 20:33:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-28 20:33:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-28 20:33:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-28 20:33:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-28 20:33:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2023-11-28 20:33:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2023-11-28 20:33:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_fixup [2023-11-28 20:33:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_fixup [2023-11-28 20:33:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 20:33:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2023-11-28 20:33:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2023-11-28 20:33:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2023-11-28 20:33:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2023-11-28 20:33:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_vga [2023-11-28 20:33:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_vga [2023-11-28 20:33:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-28 20:33:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-28 20:33:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2023-11-28 20:33:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2023-11-28 20:33:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2023-11-28 20:33:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2023-11-28 20:33:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2023-11-28 20:33:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2023-11-28 20:33:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2023-11-28 20:33:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2023-11-28 20:33:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2023-11-28 20:33:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2023-11-28 20:33:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2023-11-28 20:33:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2023-11-28 20:33:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-28 20:33:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-28 20:33:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-28 20:33:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-28 20:33:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-28 20:33:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-28 20:33:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-28 20:33:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-28 20:33:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-28 20:33:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-28 20:33:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-28 20:33:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-28 20:33:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-28 20:33:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-28 20:33:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-28 20:33:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-28 20:33:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-28 20:33:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-28 20:33:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-28 20:33:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-28 20:33:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-28 20:33:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-28 20:33:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2023-11-28 20:33:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2023-11-28 20:33:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2023-11-28 20:33:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2023-11-28 20:33:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2023-11-28 20:33:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2023-11-28 20:33:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2023-11-28 20:33:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2023-11-28 20:33:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2023-11-28 20:33:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#31 [2023-11-28 20:33:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#32 [2023-11-28 20:33:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#33 [2023-11-28 20:33:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#34 [2023-11-28 20:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#35 [2023-11-28 20:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#36 [2023-11-28 20:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#37 [2023-11-28 20:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#38 [2023-11-28 20:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#39 [2023-11-28 20:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#40 [2023-11-28 20:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#41 [2023-11-28 20:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#42 [2023-11-28 20:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#43 [2023-11-28 20:33:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#44 [2023-11-28 20:33:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mindwm [2023-11-28 20:33:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mindwm [2023-11-28 20:33:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2023-11-28 20:33:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2023-11-28 20:33:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2023-11-28 20:33:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2023-11-28 20:33:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-28 20:33:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-28 20:33:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-28 20:33:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-28 20:33:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-28 20:33:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-28 20:33:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-28 20:33:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-28 20:33:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-28 20:33:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-28 20:33:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-28 20:33:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-28 20:33:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-28 20:33:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-28 20:33:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-28 20:33:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-28 20:33:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-28 20:33:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-28 20:33:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-28 20:33:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-28 20:33:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-28 20:33:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-28 20:33:32,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2023-11-28 20:33:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2023-11-28 20:33:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2023-11-28 20:33:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2023-11-28 20:33:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2023-11-28 20:33:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2023-11-28 20:33:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2023-11-28 20:33:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2023-11-28 20:33:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2023-11-28 20:33:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2023-11-28 20:33:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#32 [2023-11-28 20:33:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#33 [2023-11-28 20:33:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#34 [2023-11-28 20:33:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#35 [2023-11-28 20:33:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#36 [2023-11-28 20:33:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#37 [2023-11-28 20:33:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#38 [2023-11-28 20:33:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#39 [2023-11-28 20:33:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#40 [2023-11-28 20:33:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#41 [2023-11-28 20:33:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#42 [2023-11-28 20:33:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#43 [2023-11-28 20:33:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#44 [2023-11-28 20:33:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2023-11-28 20:33:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2023-11-28 20:33:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure send_ack [2023-11-28 20:33:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure send_ack [2023-11-28 20:33:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2023-11-28 20:33:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2023-11-28 20:33:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-28 20:33:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-28 20:33:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-28 20:33:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-28 20:33:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-28 20:33:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-28 20:33:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-28 20:33:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-28 20:33:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-28 20:33:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-28 20:33:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-28 20:33:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-28 20:33:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-28 20:33:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-28 20:33:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-28 20:33:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-28 20:33:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-28 20:33:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-28 20:33:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-28 20:33:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-28 20:33:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-28 20:33:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-28 20:33:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-28 20:33:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-28 20:33:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-28 20:33:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-28 20:33:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-28 20:33:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-28 20:33:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2023-11-28 20:33:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2023-11-28 20:33:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2023-11-28 20:33:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2023-11-28 20:33:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2023-11-28 20:33:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2023-11-28 20:33:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2023-11-28 20:33:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2023-11-28 20:33:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2023-11-28 20:33:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2023-11-28 20:33:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2023-11-28 20:33:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2023-11-28 20:33:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2023-11-28 20:33:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#41 [2023-11-28 20:33:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#42 [2023-11-28 20:33:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#43 [2023-11-28 20:33:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#44 [2023-11-28 20:33:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2023-11-28 20:33:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2023-11-28 20:33:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-28 20:33:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-28 20:33:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_base [2023-11-28 20:33:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_base [2023-11-28 20:33:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2023-11-28 20:33:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2023-11-28 20:33:32,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-28 20:33:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-28 20:33:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-28 20:33:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure ast_post_gpu [2023-11-28 20:33:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_post_gpu [2023-11-28 20:33:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:33:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_gamma_set [2023-11-28 20:33:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_gamma_set [2023-11-28 20:33:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2023-11-28 20:33:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2023-11-28 20:33:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-28 20:33:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-28 20:33:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-28 20:33:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-28 20:33:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2023-11-28 20:33:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2023-11-28 20:33:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-28 20:33:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-28 20:33:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-28 20:33:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-28 20:33:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-28 20:33:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-28 20:33:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-28 20:33:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-28 20:33:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-28 20:33:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-28 20:33:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-28 20:33:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-28 20:33:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-28 20:33:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-28 20:33:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-28 20:33:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-28 20:33:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-28 20:33:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-28 20:33:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-28 20:33:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-28 20:33:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-28 20:33:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-28 20:33:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-28 20:33:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-28 20:33:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-28 20:33:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-28 20:33:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-28 20:33:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-28 20:33:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2023-11-28 20:33:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2023-11-28 20:33:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2023-11-28 20:33:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2023-11-28 20:33:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2023-11-28 20:33:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2023-11-28 20:33:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2023-11-28 20:33:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2023-11-28 20:33:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#36 [2023-11-28 20:33:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#37 [2023-11-28 20:33:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#38 [2023-11-28 20:33:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#39 [2023-11-28 20:33:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#40 [2023-11-28 20:33:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#41 [2023-11-28 20:33:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#42 [2023-11-28 20:33:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#43 [2023-11-28 20:33:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#44 [2023-11-28 20:33:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-28 20:33:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2023-11-28 20:33:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2023-11-28 20:33:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_set [2023-11-28 20:33:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_set [2023-11-28 20:33:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2023-11-28 20:33:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2023-11-28 20:33:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2023-11-28 20:33:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2023-11-28 20:33:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2023-11-28 20:33:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2023-11-28 20:33:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-28 20:33:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-28 20:33:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2023-11-28 20:33:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2023-11-28 20:33:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-28 20:33:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-28 20:33:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:33:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:33:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-28 20:33:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-28 20:33:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-28 20:33:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-28 20:33:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-28 20:33:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-28 20:33:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-28 20:33:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-28 20:33:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-28 20:33:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-28 20:33:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-28 20:33:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-28 20:33:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-28 20:33:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-28 20:33:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-28 20:33:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-28 20:33:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-28 20:33:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-28 20:33:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-28 20:33:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-28 20:33:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-28 20:33:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-28 20:33:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-28 20:33:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-28 20:33:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2023-11-28 20:33:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2023-11-28 20:33:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2023-11-28 20:33:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2023-11-28 20:33:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2023-11-28 20:33:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2023-11-28 20:33:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2023-11-28 20:33:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#31 [2023-11-28 20:33:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#32 [2023-11-28 20:33:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#33 [2023-11-28 20:33:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#34 [2023-11-28 20:33:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#35 [2023-11-28 20:33:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#36 [2023-11-28 20:33:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#37 [2023-11-28 20:33:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#38 [2023-11-28 20:33:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#39 [2023-11-28 20:33:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#40 [2023-11-28 20:33:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#41 [2023-11-28 20:33:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#42 [2023-11-28 20:33:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#43 [2023-11-28 20:33:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#44 [2023-11-28 20:33:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-28 20:33:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-28 20:33:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-28 20:33:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-28 20:33:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-28 20:33:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-28 20:33:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-28 20:33:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-28 20:33:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-28 20:33:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-28 20:33:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-28 20:33:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-28 20:33:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-28 20:33:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-28 20:33:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-28 20:33:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-28 20:33:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-28 20:33:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-28 20:33:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-28 20:33:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-28 20:33:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-28 20:33:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-28 20:33:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-28 20:33:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-28 20:33:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2023-11-28 20:33:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2023-11-28 20:33:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2023-11-28 20:33:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2023-11-28 20:33:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2023-11-28 20:33:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2023-11-28 20:33:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2023-11-28 20:33:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2023-11-28 20:33:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#32 [2023-11-28 20:33:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#33 [2023-11-28 20:33:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#34 [2023-11-28 20:33:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#35 [2023-11-28 20:33:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#36 [2023-11-28 20:33:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#37 [2023-11-28 20:33:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#38 [2023-11-28 20:33:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#39 [2023-11-28 20:33:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#40 [2023-11-28 20:33:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#41 [2023-11-28 20:33:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#42 [2023-11-28 20:33:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#43 [2023-11-28 20:33:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#44 [2023-11-28 20:33:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-28 20:33:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-28 20:33:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure send_nack [2023-11-28 20:33:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure send_nack [2023-11-28 20:33:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_mmio [2023-11-28 20:33:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_mmio [2023-11-28 20:33:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_detect [2023-11-28 20:33:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_detect [2023-11-28 20:33:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-28 20:33:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2023-11-28 20:33:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2023-11-28 20:33:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2023-11-28 20:33:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2023-11-28 20:33:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_base_of_ww_mutex [2023-11-28 20:33:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_base_of_ww_mutex [2023-11-28 20:33:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-11-28 20:33:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-11-28 20:33:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2023-11-28 20:33:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2023-11-28 20:33:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2023-11-28 20:33:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2023-11-28 20:33:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-28 20:33:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-28 20:33:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-28 20:33:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-28 20:33:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2023-11-28 20:33:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2023-11-28 20:33:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-28 20:33:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-28 20:33:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 20:33:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 20:33:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2023-11-28 20:33:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2023-11-28 20:33:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mmap [2023-11-28 20:33:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mmap [2023-11-28 20:33:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-28 20:33:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-28 20:33:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-28 20:33:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-28 20:33:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 20:33:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2023-11-28 20:33:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2023-11-28 20:33:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_mutex_54 [2023-11-28 20:33:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_mutex_54 [2023-11-28 20:33:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2023-11-28 20:33:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2023-11-28 20:33:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2023-11-28 20:33:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-28 20:33:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-28 20:33:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-28 20:33:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-28 20:33:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-28 20:33:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-28 20:33:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-28 20:33:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-28 20:33:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-28 20:33:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-28 20:33:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-28 20:33:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-28 20:33:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-28 20:33:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-28 20:33:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-28 20:33:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-28 20:33:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-28 20:33:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-28 20:33:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-28 20:33:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-28 20:33:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-28 20:33:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-28 20:33:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-28 20:33:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-28 20:33:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-28 20:33:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-28 20:33:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-28 20:33:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-28 20:33:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2023-11-28 20:33:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2023-11-28 20:33:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2023-11-28 20:33:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2023-11-28 20:33:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2023-11-28 20:33:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2023-11-28 20:33:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2023-11-28 20:33:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2023-11-28 20:33:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#36 [2023-11-28 20:33:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#37 [2023-11-28 20:33:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#38 [2023-11-28 20:33:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#39 [2023-11-28 20:33:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#40 [2023-11-28 20:33:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#41 [2023-11-28 20:33:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#42 [2023-11-28 20:33:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#43 [2023-11-28 20:33:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#44 [2023-11-28 20:33:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2023-11-28 20:33:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2023-11-28 20:33:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-11-28 20:33:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-11-28 20:33:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2023-11-28 20:33:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2023-11-28 20:33:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2023-11-28 20:33:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2023-11-28 20:33:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-28 20:33:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-28 20:33:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-28 20:33:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-28 20:33:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-28 20:33:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-28 20:33:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-28 20:33:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-28 20:33:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-28 20:33:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-28 20:33:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-28 20:33:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-28 20:33:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-28 20:33:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-28 20:33:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-28 20:33:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-28 20:33:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-28 20:33:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-28 20:33:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-28 20:33:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-28 20:33:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-28 20:33:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-28 20:33:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-28 20:33:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-28 20:33:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-28 20:33:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-28 20:33:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-28 20:33:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-28 20:33:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2023-11-28 20:33:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2023-11-28 20:33:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2023-11-28 20:33:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2023-11-28 20:33:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2023-11-28 20:33:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2023-11-28 20:33:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#34 [2023-11-28 20:33:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#35 [2023-11-28 20:33:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#36 [2023-11-28 20:33:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#37 [2023-11-28 20:33:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#38 [2023-11-28 20:33:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#39 [2023-11-28 20:33:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#40 [2023-11-28 20:33:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#41 [2023-11-28 20:33:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#42 [2023-11-28 20:33:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#43 [2023-11-28 20:33:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#44 [2023-11-28 20:33:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure drm_ut_debug_printk [2023-11-28 20:33:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_ut_debug_printk [2023-11-28 20:33:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-28 20:33:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-28 20:33:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2023-11-28 20:33:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2023-11-28 20:33:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-28 20:33:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-28 20:33:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2023-11-28 20:33:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2023-11-28 20:33:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2023-11-28 20:33:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2023-11-28 20:33:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2023-11-28 20:33:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2023-11-28 20:33:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2023-11-28 20:33:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2023-11-28 20:33:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2023-11-28 20:33:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2023-11-28 20:33:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2023-11-28 20:33:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2023-11-28 20:33:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2023-11-28 20:33:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2023-11-28 20:33:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2023-11-28 20:33:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2023-11-28 20:33:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2023-11-28 20:33:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2023-11-28 20:33:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2023-11-28 20:33:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2023-11-28 20:33:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2023-11-28 20:33:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2023-11-28 20:33:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set [2023-11-28 20:33:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set [2023-11-28 20:33:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2023-11-28 20:33:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2023-11-28 20:33:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo [2023-11-28 20:33:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo [2023-11-28 20:33:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-28 20:33:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-28 20:33:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-28 20:33:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-28 20:33:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-28 20:33:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-28 20:33:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-28 20:33:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-28 20:33:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-28 20:33:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-28 20:33:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-28 20:33:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-28 20:33:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-28 20:33:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-28 20:33:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-28 20:33:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-28 20:33:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-28 20:33:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-28 20:33:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-28 20:33:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-28 20:33:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-28 20:33:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-28 20:33:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-28 20:33:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-28 20:33:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-28 20:33:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-28 20:33:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-28 20:33:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-28 20:33:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-28 20:33:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-28 20:33:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2023-11-28 20:33:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2023-11-28 20:33:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2023-11-28 20:33:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2023-11-28 20:33:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2023-11-28 20:33:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2023-11-28 20:33:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2023-11-28 20:33:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2023-11-28 20:33:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2023-11-28 20:33:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2023-11-28 20:33:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2023-11-28 20:33:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2023-11-28 20:33:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2023-11-28 20:33:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#41 [2023-11-28 20:33:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#42 [2023-11-28 20:33:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#43 [2023-11-28 20:33:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#44 [2023-11-28 20:33:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure ast_moutdwm [2023-11-28 20:33:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_moutdwm [2023-11-28 20:33:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2023-11-28 20:33:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2023-11-28 20:33:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2023-11-28 20:33:32,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2023-11-28 20:33:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-28 20:33:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-28 20:33:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2023-11-28 20:33:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2023-11-28 20:33:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-28 20:33:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-28 20:33:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2023-11-28 20:33:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2023-11-28 20:33:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-28 20:33:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-28 20:33:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2023-11-28 20:33:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2023-11-28 20:33:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2023-11-28 20:33:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2023-11-28 20:33:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_move [2023-11-28 20:33:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_move [2023-11-28 20:33:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2023-11-28 20:33:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2023-11-28 20:33:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2023-11-28 20:33:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2023-11-28 20:33:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2023-11-28 20:33:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2023-11-28 20:33:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-28 20:33:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-28 20:33:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2023-11-28 20:33:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2023-11-28 20:33:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2023-11-28 20:33:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2023-11-28 20:33:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2023-11-28 20:33:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2023-11-28 20:33:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 20:33:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-28 20:33:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-28 20:33:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-28 20:33:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-28 20:33:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-28 20:33:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-28 20:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-28 20:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-28 20:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-28 20:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-28 20:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-28 20:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-28 20:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-28 20:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-28 20:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-28 20:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-28 20:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-28 20:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-28 20:33:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-28 20:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-28 20:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-28 20:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-28 20:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-28 20:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-28 20:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-28 20:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-28 20:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-28 20:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2023-11-28 20:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2023-11-28 20:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2023-11-28 20:33:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2023-11-28 20:33:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2023-11-28 20:33:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2023-11-28 20:33:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2023-11-28 20:33:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2023-11-28 20:33:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2023-11-28 20:33:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2023-11-28 20:33:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2023-11-28 20:33:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2023-11-28 20:33:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2023-11-28 20:33:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#41 [2023-11-28 20:33:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#42 [2023-11-28 20:33:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#43 [2023-11-28 20:33:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#44 [2023-11-28 20:33:34,228 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:33:34,232 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:33:48,848 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-28 20:33:50,513 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:33:50,948 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:33:50,949 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-28 20:33:50,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:50 BoogieIcfgContainer [2023-11-28 20:33:50,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:33:50,953 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:33:50,954 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:33:50,956 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:33:50,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:33:23" (1/3) ... [2023-11-28 20:33:50,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3170a12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:33:50, skipping insertion in model container [2023-11-28 20:33:50,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:33:28" (2/3) ... [2023-11-28 20:33:50,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3170a12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:33:50, skipping insertion in model container [2023-11-28 20:33:50,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:33:50" (3/3) ... [2023-11-28 20:33:50,959 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2023-11-28 20:33:50,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:33:50,975 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 20:33:51,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:33:51,087 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;@635de1a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:33:51,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 20:33:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 3770 states, 2721 states have (on average 1.549797868430724) internal successors, (4217), 2804 states have internal predecessors, (4217), 927 states have call successors, (927), 121 states have call predecessors, (927), 120 states have return successors, (909), 887 states have call predecessors, (909), 909 states have call successors, (909) [2023-11-28 20:33:51,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-28 20:33:51,120 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:33:51,121 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:33:51,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:33:51,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:33:51,127 INFO L85 PathProgramCache]: Analyzing trace with hash -2026459517, now seen corresponding path program 1 times [2023-11-28 20:33:51,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:33:51,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774019948] [2023-11-28 20:33:51,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:33:51,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:33:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:51,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:33:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:33:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:33:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:51,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:33:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:33:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:33:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:33:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:33:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:33:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:33:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:33:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:33:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:33:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:33:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:33:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:33:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:33:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:33:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:33:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:33:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:33:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:33:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:33:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:33:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:33:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:33:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:33:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:33:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:33:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:33:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:33:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:33:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:33:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:33:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:33:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:33:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-28 20:33:52,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:33:52,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774019948] [2023-11-28 20:33:52,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774019948] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:33:52,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:33:52,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 20:33:52,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704577030] [2023-11-28 20:33:52,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:33:52,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:33:52,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:33:52,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:33:52,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:33:52,584 INFO L87 Difference]: Start difference. First operand has 3770 states, 2721 states have (on average 1.549797868430724) internal successors, (4217), 2804 states have internal predecessors, (4217), 927 states have call successors, (927), 121 states have call predecessors, (927), 120 states have return successors, (909), 887 states have call predecessors, (909), 909 states have call successors, (909) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:34:10,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:34:19,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:34:19,747 INFO L93 Difference]: Finished difference Result 7832 states and 12825 transitions. [2023-11-28 20:34:19,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 20:34:19,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 180 [2023-11-28 20:34:19,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:34:19,790 INFO L225 Difference]: With dead ends: 7832 [2023-11-28 20:34:19,791 INFO L226 Difference]: Without dead ends: 4042 [2023-11-28 20:34:19,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:34:19,825 INFO L413 NwaCegarLoop]: 2022 mSDtfsCounter, 5433 mSDsluCounter, 3777 mSDsCounter, 0 mSdLazyCounter, 8944 mSolverCounterSat, 2900 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5528 SdHoareTripleChecker+Valid, 5799 SdHoareTripleChecker+Invalid, 11844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2900 IncrementalHoareTripleChecker+Valid, 8944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:34:19,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5528 Valid, 5799 Invalid, 11844 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2900 Valid, 8944 Invalid, 0 Unknown, 0 Unchecked, 26.5s Time] [2023-11-28 20:34:19,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4042 states. [2023-11-28 20:34:20,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4042 to 3747. [2023-11-28 20:34:20,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3747 states, 2718 states have (on average 1.5058866813833702) internal successors, (4093), 2781 states have internal predecessors, (4093), 909 states have call successors, (909), 120 states have call predecessors, (909), 119 states have return successors, (897), 875 states have call predecessors, (897), 897 states have call successors, (897) [2023-11-28 20:34:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3747 states and 5899 transitions. [2023-11-28 20:34:20,189 INFO L78 Accepts]: Start accepts. Automaton has 3747 states and 5899 transitions. Word has length 180 [2023-11-28 20:34:20,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:34:20,189 INFO L495 AbstractCegarLoop]: Abstraction has 3747 states and 5899 transitions. [2023-11-28 20:34:20,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:34:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 5899 transitions. [2023-11-28 20:34:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-28 20:34:20,194 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:34:20,195 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:34:20,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 20:34:20,195 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:34:20,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:34:20,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1425602069, now seen corresponding path program 1 times [2023-11-28 20:34:20,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:34:20,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455999529] [2023-11-28 20:34:20,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:34:20,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:34:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:34:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:34:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:34:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:34:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:34:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:34:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:34:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:34:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:34:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:34:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:34:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:34:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:34:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:34:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:34:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:34:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:34:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:34:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:34:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:34:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:34:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:34:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:34:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:34:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:34:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:34:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:34:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:34:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:34:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:34:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:34:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:34:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:34:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:34:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:34:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:34:21,767 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-28 20:34:21,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:34:21,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455999529] [2023-11-28 20:34:21,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455999529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:34:21,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:34:21,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:34:21,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788650485] [2023-11-28 20:34:21,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:34:21,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:34:21,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:34:21,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:34:21,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:34:21,771 INFO L87 Difference]: Start difference. First operand 3747 states and 5899 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 20:34:43,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:34:49,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:35:05,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:35:05,038 INFO L93 Difference]: Finished difference Result 11700 states and 18582 transitions. [2023-11-28 20:35:05,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-28 20:35:05,041 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 180 [2023-11-28 20:35:05,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:35:05,103 INFO L225 Difference]: With dead ends: 11700 [2023-11-28 20:35:05,103 INFO L226 Difference]: Without dead ends: 7988 [2023-11-28 20:35:05,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:35:05,121 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 15328 mSDsluCounter, 5364 mSDsCounter, 0 mSdLazyCounter, 13365 mSolverCounterSat, 6993 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15764 SdHoareTripleChecker+Valid, 7346 SdHoareTripleChecker+Invalid, 20358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6993 IncrementalHoareTripleChecker+Valid, 13365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:35:05,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15764 Valid, 7346 Invalid, 20358 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6993 Valid, 13365 Invalid, 0 Unknown, 0 Unchecked, 42.4s Time] [2023-11-28 20:35:05,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7988 states. [2023-11-28 20:35:05,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7988 to 7391. [2023-11-28 20:35:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7391 states, 5384 states have (on average 1.5085438335809807) internal successors, (8122), 5499 states have internal predecessors, (8122), 1768 states have call successors, (1768), 239 states have call predecessors, (1768), 238 states have return successors, (1756), 1712 states have call predecessors, (1756), 1756 states have call successors, (1756) [2023-11-28 20:35:05,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7391 states to 7391 states and 11646 transitions. [2023-11-28 20:35:05,688 INFO L78 Accepts]: Start accepts. Automaton has 7391 states and 11646 transitions. Word has length 180 [2023-11-28 20:35:05,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:35:05,689 INFO L495 AbstractCegarLoop]: Abstraction has 7391 states and 11646 transitions. [2023-11-28 20:35:05,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 20:35:05,689 INFO L276 IsEmpty]: Start isEmpty. Operand 7391 states and 11646 transitions. [2023-11-28 20:35:05,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-28 20:35:05,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:35:05,694 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:35:05,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 20:35:05,694 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:35:05,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:35:05,695 INFO L85 PathProgramCache]: Analyzing trace with hash -865731219, now seen corresponding path program 1 times [2023-11-28 20:35:05,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:35:05,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869895417] [2023-11-28 20:35:05,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:35:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:35:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:35:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:35:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:35:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:35:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:35:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:35:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:35:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:35:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:35:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:35:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:35:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:35:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:35:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:35:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:07,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:35:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:07,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:35:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:07,045 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-28 20:35:07,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:35:07,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869895417] [2023-11-28 20:35:07,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869895417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:35:07,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:35:07,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:35:07,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668293670] [2023-11-28 20:35:07,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:35:07,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:35:07,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:35:07,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:35:07,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:35:07,048 INFO L87 Difference]: Start difference. First operand 7391 states and 11646 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:35:08,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:35:24,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:35:26,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:35:49,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:35:49,098 INFO L93 Difference]: Finished difference Result 15889 states and 25480 transitions. [2023-11-28 20:35:49,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-28 20:35:49,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 185 [2023-11-28 20:35:49,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:35:49,193 INFO L225 Difference]: With dead ends: 15889 [2023-11-28 20:35:49,193 INFO L226 Difference]: Without dead ends: 15883 [2023-11-28 20:35:49,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:35:49,201 INFO L413 NwaCegarLoop]: 2029 mSDtfsCounter, 15193 mSDsluCounter, 5392 mSDsCounter, 0 mSdLazyCounter, 13569 mSolverCounterSat, 7088 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15625 SdHoareTripleChecker+Valid, 7421 SdHoareTripleChecker+Invalid, 20657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7088 IncrementalHoareTripleChecker+Valid, 13569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:35:49,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15625 Valid, 7421 Invalid, 20657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7088 Valid, 13569 Invalid, 0 Unknown, 0 Unchecked, 41.1s Time] [2023-11-28 20:35:49,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15883 states. [2023-11-28 20:35:49,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15883 to 14699. [2023-11-28 20:35:50,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14699 states, 10727 states have (on average 1.5089959914235107) internal successors, (16187), 10948 states have internal predecessors, (16187), 3499 states have call successors, (3499), 475 states have call predecessors, (3499), 472 states have return successors, (3567), 3395 states have call predecessors, (3567), 3487 states have call successors, (3567) [2023-11-28 20:35:50,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14699 states to 14699 states and 23253 transitions. [2023-11-28 20:35:50,103 INFO L78 Accepts]: Start accepts. Automaton has 14699 states and 23253 transitions. Word has length 185 [2023-11-28 20:35:50,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:35:50,104 INFO L495 AbstractCegarLoop]: Abstraction has 14699 states and 23253 transitions. [2023-11-28 20:35:50,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:35:50,105 INFO L276 IsEmpty]: Start isEmpty. Operand 14699 states and 23253 transitions. [2023-11-28 20:35:50,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-28 20:35:50,108 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:35:50,108 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:35:50,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 20:35:50,109 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:35:50,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:35:50,109 INFO L85 PathProgramCache]: Analyzing trace with hash 171307247, now seen corresponding path program 1 times [2023-11-28 20:35:50,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:35:50,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149425969] [2023-11-28 20:35:50,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:35:50,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:35:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:35:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:35:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:35:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:35:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:35:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:35:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:35:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:35:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:35:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:35:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:35:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:35:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:35:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:35:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:35:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:35:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:35:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:35:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:35:51,299 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-28 20:35:51,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:35:51,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149425969] [2023-11-28 20:35:51,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149425969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:35:51,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:35:51,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:35:51,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166687252] [2023-11-28 20:35:51,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:35:51,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:35:51,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:35:51,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:35:51,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:35:51,302 INFO L87 Difference]: Start difference. First operand 14699 states and 23253 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 20:36:01,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:36:10,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:36:32,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:36:38,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:36:38,884 INFO L93 Difference]: Finished difference Result 44533 states and 71015 transitions. [2023-11-28 20:36:38,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-28 20:36:38,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 186 [2023-11-28 20:36:38,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:36:38,981 INFO L225 Difference]: With dead ends: 44533 [2023-11-28 20:36:38,981 INFO L226 Difference]: Without dead ends: 29869 [2023-11-28 20:36:39,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:36:39,028 INFO L413 NwaCegarLoop]: 1991 mSDtfsCounter, 14683 mSDsluCounter, 5335 mSDsCounter, 0 mSdLazyCounter, 13451 mSolverCounterSat, 6795 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15026 SdHoareTripleChecker+Valid, 7326 SdHoareTripleChecker+Invalid, 20246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6795 IncrementalHoareTripleChecker+Valid, 13451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:36:39,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15026 Valid, 7326 Invalid, 20246 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6795 Valid, 13451 Invalid, 0 Unknown, 0 Unchecked, 46.2s Time] [2023-11-28 20:36:39,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29869 states. [2023-11-28 20:36:40,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29869 to 27491. [2023-11-28 20:36:40,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27491 states, 20105 states have (on average 1.508729171847799) internal successors, (30333), 20458 states have internal predecessors, (30333), 6471 states have call successors, (6471), 919 states have call predecessors, (6471), 914 states have return successors, (6615), 6333 states have call predecessors, (6615), 6459 states have call successors, (6615) [2023-11-28 20:36:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27491 states to 27491 states and 43419 transitions. [2023-11-28 20:36:40,772 INFO L78 Accepts]: Start accepts. Automaton has 27491 states and 43419 transitions. Word has length 186 [2023-11-28 20:36:40,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:36:40,773 INFO L495 AbstractCegarLoop]: Abstraction has 27491 states and 43419 transitions. [2023-11-28 20:36:40,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 20:36:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 27491 states and 43419 transitions. [2023-11-28 20:36:40,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-28 20:36:40,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:36:40,777 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:36:40,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-28 20:36:40,777 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:36:40,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:36:40,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1071211808, now seen corresponding path program 1 times [2023-11-28 20:36:40,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:36:40,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164835675] [2023-11-28 20:36:40,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:36:40,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:36:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:36:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:36:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:36:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:36:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:36:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:36:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:36:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:36:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:36:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:36:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:36:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:36:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:36:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:36:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:36:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:36:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:36:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:36:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:36:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:36:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:36:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:36:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:36:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:36:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:36:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:36:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:36:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:36:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:36:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:36:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:36:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:42,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:36:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:42,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:36:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:42,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:36:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:36:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:36:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-28 20:36:42,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:36:42,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164835675] [2023-11-28 20:36:42,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164835675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:36:42,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:36:42,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:36:42,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310150227] [2023-11-28 20:36:42,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:36:42,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:36:42,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:36:42,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:36:42,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:36:42,080 INFO L87 Difference]: Start difference. First operand 27491 states and 43419 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:36:53,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:37:04,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:37:05,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:37:15,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:37:15,435 INFO L93 Difference]: Finished difference Result 29845 states and 47780 transitions. [2023-11-28 20:37:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:37:15,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2023-11-28 20:37:15,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:37:15,524 INFO L225 Difference]: With dead ends: 29845 [2023-11-28 20:37:15,524 INFO L226 Difference]: Without dead ends: 29842 [2023-11-28 20:37:15,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:37:15,536 INFO L413 NwaCegarLoop]: 1986 mSDtfsCounter, 10446 mSDsluCounter, 2527 mSDsCounter, 0 mSdLazyCounter, 8065 mSolverCounterSat, 5326 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10803 SdHoareTripleChecker+Valid, 4513 SdHoareTripleChecker+Invalid, 13392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5326 IncrementalHoareTripleChecker+Valid, 8065 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:37:15,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10803 Valid, 4513 Invalid, 13392 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5326 Valid, 8065 Invalid, 1 Unknown, 0 Unchecked, 32.2s Time] [2023-11-28 20:37:15,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29842 states. [2023-11-28 20:37:16,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29842 to 27490. [2023-11-28 20:37:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27490 states, 20105 states have (on average 1.5086794329768713) internal successors, (30332), 20457 states have internal predecessors, (30332), 6470 states have call successors, (6470), 919 states have call predecessors, (6470), 914 states have return successors, (6615), 6333 states have call predecessors, (6615), 6459 states have call successors, (6615) [2023-11-28 20:37:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27490 states to 27490 states and 43417 transitions. [2023-11-28 20:37:17,113 INFO L78 Accepts]: Start accepts. Automaton has 27490 states and 43417 transitions. Word has length 186 [2023-11-28 20:37:17,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:37:17,114 INFO L495 AbstractCegarLoop]: Abstraction has 27490 states and 43417 transitions. [2023-11-28 20:37:17,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:37:17,114 INFO L276 IsEmpty]: Start isEmpty. Operand 27490 states and 43417 transitions. [2023-11-28 20:37:17,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-28 20:37:17,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:37:17,117 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:37:17,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-28 20:37:17,117 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:37:17,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:17,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1148829392, now seen corresponding path program 1 times [2023-11-28 20:37:17,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:17,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003699326] [2023-11-28 20:37:17,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:17,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:37:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:37:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:37:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:37:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:37:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:37:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:37:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:37:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:37:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:37:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:37:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:37:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:37:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:37:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:37:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:37:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:18,318 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-28 20:37:18,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:37:18,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003699326] [2023-11-28 20:37:18,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003699326] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:37:18,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:37:18,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:37:18,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9560747] [2023-11-28 20:37:18,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:37:18,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:37:18,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:37:18,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:37:18,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:37:18,322 INFO L87 Difference]: Start difference. First operand 27490 states and 43417 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:37:28,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-28 20:37:31,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:37:33,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:37:38,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:37:54,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:37:54,824 INFO L93 Difference]: Finished difference Result 29844 states and 47778 transitions. [2023-11-28 20:37:54,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:37:54,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 187 [2023-11-28 20:37:54,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:37:54,919 INFO L225 Difference]: With dead ends: 29844 [2023-11-28 20:37:54,920 INFO L226 Difference]: Without dead ends: 29841 [2023-11-28 20:37:54,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:37:54,927 INFO L413 NwaCegarLoop]: 1981 mSDtfsCounter, 9821 mSDsluCounter, 3711 mSDsCounter, 0 mSdLazyCounter, 9048 mSolverCounterSat, 4243 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10181 SdHoareTripleChecker+Valid, 5692 SdHoareTripleChecker+Invalid, 13292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4243 IncrementalHoareTripleChecker+Valid, 9048 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:37:54,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10181 Valid, 5692 Invalid, 13292 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4243 Valid, 9048 Invalid, 1 Unknown, 0 Unchecked, 35.1s Time] [2023-11-28 20:37:54,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29841 states. [2023-11-28 20:37:56,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29841 to 27489. [2023-11-28 20:37:56,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27489 states, 20105 states have (on average 1.5086296941059438) internal successors, (30331), 20456 states have internal predecessors, (30331), 6469 states have call successors, (6469), 919 states have call predecessors, (6469), 914 states have return successors, (6615), 6333 states have call predecessors, (6615), 6459 states have call successors, (6615) [2023-11-28 20:37:56,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27489 states to 27489 states and 43415 transitions. [2023-11-28 20:37:56,364 INFO L78 Accepts]: Start accepts. Automaton has 27489 states and 43415 transitions. Word has length 187 [2023-11-28 20:37:56,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:37:56,365 INFO L495 AbstractCegarLoop]: Abstraction has 27489 states and 43415 transitions. [2023-11-28 20:37:56,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:37:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 27489 states and 43415 transitions. [2023-11-28 20:37:56,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-28 20:37:56,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:37:56,369 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:37:56,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-28 20:37:56,369 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:37:56,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:56,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1250634723, now seen corresponding path program 1 times [2023-11-28 20:37:56,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:56,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127257315] [2023-11-28 20:37:56,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:56,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:56,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:37:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:56,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:37:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:56,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:56,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:37:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:37:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:37:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:37:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:37:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:37:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:37:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:37:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:37:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:37:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:37:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:37:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:37:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:37:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:37:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:37:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-28 20:37:57,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:37:57,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127257315] [2023-11-28 20:37:57,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127257315] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:37:57,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:37:57,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:37:57,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429855559] [2023-11-28 20:37:57,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:37:57,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:37:57,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:37:57,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:37:57,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:37:57,280 INFO L87 Difference]: Start difference. First operand 27489 states and 43415 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:38:08,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:38:24,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:24,819 INFO L93 Difference]: Finished difference Result 29843 states and 47776 transitions. [2023-11-28 20:38:24,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:38:24,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 188 [2023-11-28 20:38:24,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:24,887 INFO L225 Difference]: With dead ends: 29843 [2023-11-28 20:38:24,887 INFO L226 Difference]: Without dead ends: 29840 [2023-11-28 20:38:24,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:38:24,895 INFO L413 NwaCegarLoop]: 1983 mSDtfsCounter, 10451 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 8058 mSolverCounterSat, 5336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10807 SdHoareTripleChecker+Valid, 4506 SdHoareTripleChecker+Invalid, 13394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5336 IncrementalHoareTripleChecker+Valid, 8058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:24,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10807 Valid, 4506 Invalid, 13394 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5336 Valid, 8058 Invalid, 0 Unknown, 0 Unchecked, 26.1s Time] [2023-11-28 20:38:24,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29840 states. [2023-11-28 20:38:26,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29840 to 27488. [2023-11-28 20:38:26,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27488 states, 20105 states have (on average 1.508579955235016) internal successors, (30330), 20455 states have internal predecessors, (30330), 6468 states have call successors, (6468), 919 states have call predecessors, (6468), 914 states have return successors, (6615), 6333 states have call predecessors, (6615), 6459 states have call successors, (6615) [2023-11-28 20:38:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27488 states to 27488 states and 43413 transitions. [2023-11-28 20:38:26,475 INFO L78 Accepts]: Start accepts. Automaton has 27488 states and 43413 transitions. Word has length 188 [2023-11-28 20:38:26,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:26,475 INFO L495 AbstractCegarLoop]: Abstraction has 27488 states and 43413 transitions. [2023-11-28 20:38:26,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:38:26,476 INFO L276 IsEmpty]: Start isEmpty. Operand 27488 states and 43413 transitions. [2023-11-28 20:38:26,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-28 20:38:26,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:26,477 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:26,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-28 20:38:26,478 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:38:26,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:26,478 INFO L85 PathProgramCache]: Analyzing trace with hash 111637555, now seen corresponding path program 1 times [2023-11-28 20:38:26,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:26,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103642589] [2023-11-28 20:38:26,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:26,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:26,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:38:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:26,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:38:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:38:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:38:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:38:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:38:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:38:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:38:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:38:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:38:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:38:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:38:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:38:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:38:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:38:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:38:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-28 20:38:27,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:27,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103642589] [2023-11-28 20:38:27,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103642589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:27,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:38:27,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:38:27,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472130110] [2023-11-28 20:38:27,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:27,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:38:27,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:27,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:38:27,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:38:27,297 INFO L87 Difference]: Start difference. First operand 27488 states and 43413 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:38:37,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:38:43,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:38:56,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:38:56,659 INFO L93 Difference]: Finished difference Result 29842 states and 47774 transitions. [2023-11-28 20:38:56,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:38:56,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 189 [2023-11-28 20:38:56,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:38:56,728 INFO L225 Difference]: With dead ends: 29842 [2023-11-28 20:38:56,728 INFO L226 Difference]: Without dead ends: 29839 [2023-11-28 20:38:56,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:38:56,737 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 9869 mSDsluCounter, 3705 mSDsCounter, 0 mSdLazyCounter, 8987 mSolverCounterSat, 4264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10226 SdHoareTripleChecker+Valid, 5685 SdHoareTripleChecker+Invalid, 13251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4264 IncrementalHoareTripleChecker+Valid, 8987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2023-11-28 20:38:56,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10226 Valid, 5685 Invalid, 13251 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4264 Valid, 8987 Invalid, 0 Unknown, 0 Unchecked, 27.8s Time] [2023-11-28 20:38:56,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29839 states. [2023-11-28 20:38:58,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29839 to 27487. [2023-11-28 20:38:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27487 states, 20105 states have (on average 1.5085302163640886) internal successors, (30329), 20454 states have internal predecessors, (30329), 6467 states have call successors, (6467), 919 states have call predecessors, (6467), 914 states have return successors, (6615), 6333 states have call predecessors, (6615), 6459 states have call successors, (6615) [2023-11-28 20:38:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27487 states to 27487 states and 43411 transitions. [2023-11-28 20:38:58,297 INFO L78 Accepts]: Start accepts. Automaton has 27487 states and 43411 transitions. Word has length 189 [2023-11-28 20:38:58,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:38:58,297 INFO L495 AbstractCegarLoop]: Abstraction has 27487 states and 43411 transitions. [2023-11-28 20:38:58,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:38:58,297 INFO L276 IsEmpty]: Start isEmpty. Operand 27487 states and 43411 transitions. [2023-11-28 20:38:58,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-28 20:38:58,299 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:38:58,299 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:38:58,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-28 20:38:58,299 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:38:58,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:38:58,299 INFO L85 PathProgramCache]: Analyzing trace with hash -837531418, now seen corresponding path program 1 times [2023-11-28 20:38:58,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:38:58,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66818027] [2023-11-28 20:38:58,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:38:58,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:38:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:38:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:38:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:38:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:38:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:38:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:38:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:58,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:38:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:38:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:38:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:38:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:38:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:38:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:38:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:38:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:38:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:38:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:38:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:38:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:38:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-28 20:38:59,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:38:59,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66818027] [2023-11-28 20:38:59,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66818027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:38:59,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:38:59,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:38:59,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004398353] [2023-11-28 20:38:59,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:38:59,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:38:59,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:38:59,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:38:59,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:38:59,170 INFO L87 Difference]: Start difference. First operand 27487 states and 43411 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:39:28,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:39:40,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:39:40,706 INFO L93 Difference]: Finished difference Result 86611 states and 138363 transitions. [2023-11-28 20:39:40,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-28 20:39:40,706 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 190 [2023-11-28 20:39:40,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:39:40,931 INFO L225 Difference]: With dead ends: 86611 [2023-11-28 20:39:40,931 INFO L226 Difference]: Without dead ends: 59159 [2023-11-28 20:39:40,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-28 20:39:40,992 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 16268 mSDsluCounter, 4869 mSDsCounter, 0 mSdLazyCounter, 12996 mSolverCounterSat, 8776 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16685 SdHoareTripleChecker+Valid, 7482 SdHoareTripleChecker+Invalid, 21772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8776 IncrementalHoareTripleChecker+Valid, 12996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:39:40,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16685 Valid, 7482 Invalid, 21772 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8776 Valid, 12996 Invalid, 0 Unknown, 0 Unchecked, 38.2s Time] [2023-11-28 20:39:41,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59159 states. [2023-11-28 20:39:44,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59159 to 54427. [2023-11-28 20:39:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54427 states, 39930 states have (on average 1.5089656899574255) internal successors, (60253), 40552 states have internal predecessors, (60253), 12726 states have call successors, (12726), 1796 states have call predecessors, (12726), 1770 states have return successors, (13209), 12494 states have call predecessors, (13209), 12717 states have call successors, (13209) [2023-11-28 20:39:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54427 states to 54427 states and 86188 transitions. [2023-11-28 20:39:44,623 INFO L78 Accepts]: Start accepts. Automaton has 54427 states and 86188 transitions. Word has length 190 [2023-11-28 20:39:44,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:39:44,624 INFO L495 AbstractCegarLoop]: Abstraction has 54427 states and 86188 transitions. [2023-11-28 20:39:44,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:39:44,624 INFO L276 IsEmpty]: Start isEmpty. Operand 54427 states and 86188 transitions. [2023-11-28 20:39:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-28 20:39:44,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:39:44,627 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:39:44,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-28 20:39:44,627 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:39:44,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:39:44,628 INFO L85 PathProgramCache]: Analyzing trace with hash -196993642, now seen corresponding path program 1 times [2023-11-28 20:39:44,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:39:44,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169236771] [2023-11-28 20:39:44,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:39:44,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:39:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:39:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:39:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:39:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:39:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:39:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:39:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:39:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:39:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:39:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:39:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:39:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:39:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:39:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:39:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:39:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:39:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:39:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:39:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:39:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:39:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:39:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:39:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:39:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:39:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:39:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:39:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:39:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:39:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:39:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:39:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:39:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:39:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:39:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:39:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:39:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:39:45,549 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-28 20:39:45,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:39:45,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169236771] [2023-11-28 20:39:45,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169236771] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:39:45,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:39:45,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 20:39:45,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234250015] [2023-11-28 20:39:45,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:39:45,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 20:39:45,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:39:45,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 20:39:45,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-28 20:39:45,552 INFO L87 Difference]: Start difference. First operand 54427 states and 86188 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:39:59,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:40:12,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:40:12,530 INFO L93 Difference]: Finished difference Result 59133 states and 94961 transitions. [2023-11-28 20:40:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:40:12,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 191 [2023-11-28 20:40:12,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:40:12,767 INFO L225 Difference]: With dead ends: 59133 [2023-11-28 20:40:12,767 INFO L226 Difference]: Without dead ends: 59122 [2023-11-28 20:40:12,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:40:12,791 INFO L413 NwaCegarLoop]: 1975 mSDtfsCounter, 10497 mSDsluCounter, 2521 mSDsCounter, 0 mSdLazyCounter, 8001 mSolverCounterSat, 5379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10858 SdHoareTripleChecker+Valid, 4496 SdHoareTripleChecker+Invalid, 13380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5379 IncrementalHoareTripleChecker+Valid, 8001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2023-11-28 20:40:12,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10858 Valid, 4496 Invalid, 13380 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5379 Valid, 8001 Invalid, 0 Unknown, 0 Unchecked, 23.8s Time] [2023-11-28 20:40:12,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59122 states. [2023-11-28 20:40:16,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59122 to 54418. [2023-11-28 20:40:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54418 states, 39922 states have (on average 1.5088923400631231) internal successors, (60238), 40543 states have internal predecessors, (60238), 12725 states have call successors, (12725), 1796 states have call predecessors, (12725), 1770 states have return successors, (13209), 12494 states have call predecessors, (13209), 12717 states have call successors, (13209) [2023-11-28 20:40:16,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54418 states to 54418 states and 86172 transitions. [2023-11-28 20:40:16,249 INFO L78 Accepts]: Start accepts. Automaton has 54418 states and 86172 transitions. Word has length 191 [2023-11-28 20:40:16,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:40:16,249 INFO L495 AbstractCegarLoop]: Abstraction has 54418 states and 86172 transitions. [2023-11-28 20:40:16,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 20:40:16,249 INFO L276 IsEmpty]: Start isEmpty. Operand 54418 states and 86172 transitions. [2023-11-28 20:40:16,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-28 20:40:16,252 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:40:16,252 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-11-28 20:40:16,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-28 20:40:16,252 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:40:16,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:40:16,252 INFO L85 PathProgramCache]: Analyzing trace with hash -104287085, now seen corresponding path program 1 times [2023-11-28 20:40:16,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:40:16,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301844022] [2023-11-28 20:40:16,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:40:16,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:40:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:40:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:40:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:40:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:40:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:40:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:40:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:40:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:40:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:40:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:40:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:40:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:40:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:40:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:40:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:40:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:40:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:40:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:40:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:40:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:40:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:40:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:16,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:40:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:40:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:40:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:40:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:40:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:40:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:40:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:40:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:40:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:40:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:40:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:40:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:40:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:40:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-28 20:40:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:40:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:40:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-28 20:40:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:40:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-28 20:40:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:40:17,199 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-11-28 20:40:17,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:40:17,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301844022] [2023-11-28 20:40:17,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301844022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:40:17,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:40:17,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-28 20:40:17,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393006606] [2023-11-28 20:40:17,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:40:17,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 20:40:17,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:40:17,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:40:17,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:40:17,202 INFO L87 Difference]: Start difference. First operand 54418 states and 86172 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-28 20:40:28,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:40:32,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:40:38,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:40:54,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:41:02,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:41:14,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:41:14,180 INFO L93 Difference]: Finished difference Result 172624 states and 276121 transitions. [2023-11-28 20:41:14,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-28 20:41:14,181 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 221 [2023-11-28 20:41:14,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:41:14,612 INFO L225 Difference]: With dead ends: 172624 [2023-11-28 20:41:14,612 INFO L226 Difference]: Without dead ends: 118241 [2023-11-28 20:41:14,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2023-11-28 20:41:14,768 INFO L413 NwaCegarLoop]: 2658 mSDtfsCounter, 22165 mSDsluCounter, 6718 mSDsCounter, 0 mSdLazyCounter, 13551 mSolverCounterSat, 11974 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22547 SdHoareTripleChecker+Valid, 9376 SdHoareTripleChecker+Invalid, 25526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11974 IncrementalHoareTripleChecker+Valid, 13551 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:41:14,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22547 Valid, 9376 Invalid, 25526 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11974 Valid, 13551 Invalid, 1 Unknown, 0 Unchecked, 49.4s Time] [2023-11-28 20:41:14,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118241 states. [2023-11-28 20:41:21,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118241 to 108714. [2023-11-28 20:41:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108714 states, 79740 states have (on average 1.508352144469526) internal successors, (120276), 80981 states have internal predecessors, (120276), 25337 states have call successors, (25337), 3570 states have call predecessors, (25337), 3636 states have return successors, (26613), 24962 states have call predecessors, (26613), 25329 states have call successors, (26613) [2023-11-28 20:41:22,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108714 states to 108714 states and 172226 transitions. [2023-11-28 20:41:22,460 INFO L78 Accepts]: Start accepts. Automaton has 108714 states and 172226 transitions. Word has length 221 [2023-11-28 20:41:22,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:41:22,460 INFO L495 AbstractCegarLoop]: Abstraction has 108714 states and 172226 transitions. [2023-11-28 20:41:22,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-28 20:41:22,461 INFO L276 IsEmpty]: Start isEmpty. Operand 108714 states and 172226 transitions. [2023-11-28 20:41:22,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-28 20:41:22,464 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:41:22,465 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-11-28 20:41:22,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-28 20:41:22,465 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:41:22,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:41:22,465 INFO L85 PathProgramCache]: Analyzing trace with hash 69161989, now seen corresponding path program 1 times [2023-11-28 20:41:22,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:41:22,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797724927] [2023-11-28 20:41:22,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:41:22,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:41:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:41:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:41:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:41:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:41:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:41:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:41:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:41:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:41:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:41:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:41:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:41:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:41:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:41:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:41:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:41:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:41:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:41:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:41:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:41:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:41:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:41:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:41:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:41:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:41:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:41:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-28 20:41:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:41:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-28 20:41:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:41:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-28 20:41:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:41:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-28 20:41:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-28 20:41:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-28 20:41:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-28 20:41:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-28 20:41:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:41:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-28 20:41:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:41:23,692 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2023-11-28 20:41:23,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:41:23,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797724927] [2023-11-28 20:41:23,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797724927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:41:23,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:41:23,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-28 20:41:23,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746117888] [2023-11-28 20:41:23,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:41:23,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-28 20:41:23,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:41:23,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-28 20:41:23,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-28 20:41:23,694 INFO L87 Difference]: Start difference. First operand 108714 states and 172226 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-28 20:41:29,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:41:35,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:41:37,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:41:42,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:41:47,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:42:32,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:42:32,764 INFO L93 Difference]: Finished difference Result 343944 states and 550175 transitions. [2023-11-28 20:42:32,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-28 20:42:32,765 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 270 [2023-11-28 20:42:32,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:42:33,575 INFO L225 Difference]: With dead ends: 343944 [2023-11-28 20:42:33,576 INFO L226 Difference]: Without dead ends: 235265 [2023-11-28 20:42:34,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2023-11-28 20:42:34,019 INFO L413 NwaCegarLoop]: 2665 mSDtfsCounter, 28166 mSDsluCounter, 8474 mSDsCounter, 0 mSdLazyCounter, 14642 mSolverCounterSat, 16805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28548 SdHoareTripleChecker+Valid, 11139 SdHoareTripleChecker+Invalid, 31447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 16805 IncrementalHoareTripleChecker+Valid, 14642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:42:34,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28548 Valid, 11139 Invalid, 31447 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [16805 Valid, 14642 Invalid, 0 Unknown, 0 Unchecked, 54.4s Time] [2023-11-28 20:42:34,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235265 states. [2023-11-28 20:42:49,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235265 to 216250. [2023-11-28 20:42:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216250 states, 158784 states have (on average 1.5092704554615075) internal successors, (239648), 161253 states have internal predecessors, (239648), 50241 states have call successors, (50241), 7098 states have call predecessors, (50241), 7224 states have return successors, (52673), 49498 states have call predecessors, (52673), 50233 states have call successors, (52673) [2023-11-28 20:42:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216250 states to 216250 states and 342562 transitions. [2023-11-28 20:42:51,055 INFO L78 Accepts]: Start accepts. Automaton has 216250 states and 342562 transitions. Word has length 270 [2023-11-28 20:42:51,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:42:51,056 INFO L495 AbstractCegarLoop]: Abstraction has 216250 states and 342562 transitions. [2023-11-28 20:42:51,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-28 20:42:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 216250 states and 342562 transitions. [2023-11-28 20:42:51,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2023-11-28 20:42:51,067 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:42:51,067 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-11-28 20:42:51,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-28 20:42:51,067 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:42:51,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:42:51,068 INFO L85 PathProgramCache]: Analyzing trace with hash -779400141, now seen corresponding path program 1 times [2023-11-28 20:42:51,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:42:51,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337307733] [2023-11-28 20:42:51,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:42:51,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:42:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:42:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:42:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:42:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:42:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:42:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:42:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:42:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:42:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:42:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:42:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:42:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:42:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:42:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:42:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:42:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:42:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:42:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:42:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:42:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:51,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:42:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:42:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:42:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:42:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:42:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:42:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-28 20:42:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:42:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-28 20:42:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:42:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-28 20:42:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:42:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-28 20:42:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:42:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:42:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-28 20:42:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-28 20:42:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-28 20:42:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-28 20:42:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:42:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-28 20:42:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-28 20:42:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-28 20:42:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:42:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1050 trivial. 0 not checked. [2023-11-28 20:42:52,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:42:52,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337307733] [2023-11-28 20:42:52,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337307733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:42:52,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:42:52,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-28 20:42:52,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217281981] [2023-11-28 20:42:52,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:42:52,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-28 20:42:52,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:42:52,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-28 20:42:52,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:42:52,228 INFO L87 Difference]: Start difference. First operand 216250 states and 342562 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-28 20:43:06,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:43:38,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:44:11,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:44:11,525 INFO L93 Difference]: Finished difference Result 687920 states and 1102195 transitions. [2023-11-28 20:44:11,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-28 20:44:11,525 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 323 [2023-11-28 20:44:11,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:44:14,022 INFO L225 Difference]: With dead ends: 687920 [2023-11-28 20:44:14,022 INFO L226 Difference]: Without dead ends: 471705 [2023-11-28 20:44:14,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=295, Unknown=0, NotChecked=0, Total=420 [2023-11-28 20:44:14,774 INFO L413 NwaCegarLoop]: 2733 mSDtfsCounter, 16957 mSDsluCounter, 9973 mSDsCounter, 0 mSdLazyCounter, 17216 mSolverCounterSat, 9124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17342 SdHoareTripleChecker+Valid, 12706 SdHoareTripleChecker+Invalid, 26340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9124 IncrementalHoareTripleChecker+Valid, 17216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:44:14,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17342 Valid, 12706 Invalid, 26340 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9124 Valid, 17216 Invalid, 0 Unknown, 0 Unchecked, 49.0s Time] [2023-11-28 20:44:15,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471705 states. [2023-11-28 20:44:50,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471705 to 430750. [2023-11-28 20:44:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430750 states, 315484 states have (on average 1.5058259689873337) internal successors, (475064), 320389 states have internal predecessors, (475064), 100625 states have call successors, (100625), 14034 states have call predecessors, (100625), 14640 states have return successors, (106713), 99558 states have call predecessors, (106713), 100617 states have call successors, (106713) [2023-11-28 20:44:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430750 states to 430750 states and 682402 transitions. [2023-11-28 20:44:53,998 INFO L78 Accepts]: Start accepts. Automaton has 430750 states and 682402 transitions. Word has length 323 [2023-11-28 20:44:53,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:44:53,999 INFO L495 AbstractCegarLoop]: Abstraction has 430750 states and 682402 transitions. [2023-11-28 20:44:53,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-28 20:44:53,999 INFO L276 IsEmpty]: Start isEmpty. Operand 430750 states and 682402 transitions. [2023-11-28 20:44:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2023-11-28 20:44:54,006 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:44:54,006 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-11-28 20:44:54,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-28 20:44:54,006 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:44:54,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:44:54,007 INFO L85 PathProgramCache]: Analyzing trace with hash -254391615, now seen corresponding path program 1 times [2023-11-28 20:44:54,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:44:54,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887208912] [2023-11-28 20:44:54,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:44:54,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:44:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:44:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:44:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:44:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-28 20:44:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:44:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:44:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:44:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:44:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:44:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-28 20:44:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:44:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:44:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-28 20:44:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:44:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:44:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-28 20:44:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:44:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:44:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-28 20:44:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:44:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:44:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-28 20:44:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:44:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:44:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-28 20:44:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:44:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:44:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-28 20:44:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-28 20:44:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-28 20:44:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-28 20:44:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-28 20:44:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-28 20:44:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-28 20:44:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-28 20:44:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-28 20:44:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:44:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:44:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-28 20:44:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:44:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:44:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-28 20:44:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-28 20:44:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-28 20:44:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-28 20:44:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-28 20:44:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-28 20:44:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-28 20:44:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 20:44:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-28 20:44:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-28 20:44:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-28 20:44:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-28 20:44:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-28 20:44:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:44:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2023-11-28 20:44:55,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:44:55,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887208912] [2023-11-28 20:44:55,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887208912] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:44:55,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:44:55,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-28 20:44:55,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198948022] [2023-11-28 20:44:55,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:44:55,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-28 20:44:55,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:44:55,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-28 20:44:55,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:44:55,412 INFO L87 Difference]: Start difference. First operand 430750 states and 682402 transitions. Second operand has 8 states, 8 states have (on average 13.125) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (35), 7 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-28 20:45:02,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:45:07,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-28 20:45:15,890 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 []