./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 e7bb482b 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_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP/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_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 0.2.3-dev-e7bb482 [2023-11-06 23:01:50,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:01:50,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 23:01:50,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:01:50,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:01:50,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:01:50,428 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:01:50,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:01:50,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:01:50,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:01:50,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:01:50,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:01:50,438 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:01:50,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:01:50,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:01:50,441 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:01:50,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:01:50,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:01:50,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:01:50,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:01:50,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:01:50,444 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:01:50,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:01:50,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:01:50,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:01:50,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:01:50,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:01:50,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:01:50,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:01:50,448 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:01:50,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:01:50,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:01:50,450 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:01:50,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:01:50,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:01:50,451 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:01:50,451 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_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e3ac2fcc053a51503ae18580c98d5f9812f019f35610d9038863980fd24a66a [2023-11-06 23:01:50,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:01:50,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:01:50,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:01:50,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:01:50,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:01:50,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP/../../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 [2023-11-06 23:01:53,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:01:54,580 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:01:54,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/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 [2023-11-06 23:01:54,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP/data/7baaa5c66/95b3872591bd4dfe9e26c637596c02db/FLAG0efc1e79e [2023-11-06 23:01:54,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP/data/7baaa5c66/95b3872591bd4dfe9e26c637596c02db [2023-11-06 23:01:54,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:01:54,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:01:54,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:01:54,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:01:54,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:01:54,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:01:54" (1/1) ... [2023-11-06 23:01:54,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bde07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:01:54, skipping insertion in model container [2023-11-06 23:01:54,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:01:54" (1/1) ... [2023-11-06 23:01:54,895 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:01:59,966 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_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/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] [2023-11-06 23:02:00,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:00,518 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:02:00,739 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] [2023-11-06 23:02:00,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [7921] [2023-11-06 23:02:00,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [7928] [2023-11-06 23:02:00,910 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] [2023-11-06 23:02:00,910 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] [2023-11-06 23:02:00,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [10534] [2023-11-06 23:02:00,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10537] [2023-11-06 23:02:00,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10540] [2023-11-06 23:02:00,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [10543] [2023-11-06 23:02:00,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [10665] [2023-11-06 23:02:00,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10668] [2023-11-06 23:02:00,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10671] [2023-11-06 23:02:00,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [10674] [2023-11-06 23:02:00,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [10685] [2023-11-06 23:02:00,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10688] [2023-11-06 23:02:00,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10691] [2023-11-06 23:02:00,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [10694] [2023-11-06 23:02:00,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [10705] [2023-11-06 23:02:00,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10708] [2023-11-06 23:02:00,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10711] [2023-11-06 23:02:00,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [10714] [2023-11-06 23:02:00,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [10725] [2023-11-06 23:02:00,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10728] [2023-11-06 23:02:00,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10731] [2023-11-06 23:02:00,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [10734] [2023-11-06 23:02:01,124 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_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/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] [2023-11-06 23:02:01,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:01,626 WARN L672 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:02:01,627 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:02:01,634 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:02:01,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:01 WrapperNode [2023-11-06 23:02:01,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:01,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:01,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:02:01,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:02:01,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:01" (1/1) ... [2023-11-06 23:02:01,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:01" (1/1) ... [2023-11-06 23:02:02,198 INFO L138 Inliner]: procedures = 649, calls = 4739, calls flagged for inlining = 324, calls inlined = 315, statements flattened = 13761 [2023-11-06 23:02:02,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:02,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:02:02,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:02:02,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:02:02,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:01" (1/1) ... [2023-11-06 23:02:02,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:01" (1/1) ... [2023-11-06 23:02:02,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:01" (1/1) ... [2023-11-06 23:02:02,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:01" (1/1) ... [2023-11-06 23:02:02,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:01" (1/1) ... [2023-11-06 23:02:02,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:01" (1/1) ... [2023-11-06 23:02:02,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:01" (1/1) ... [2023-11-06 23:02:03,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:01" (1/1) ... [2023-11-06 23:02:03,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:02:03,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:02:03,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:02:03,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:02:03,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:01" (1/1) ... [2023-11-06 23:02:03,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:03,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:03,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:02:03,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1320f754-f2e9-4ac6-a82f-0e2f0c8829d4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:02:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2023-11-06 23:02:03,342 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2023-11-06 23:02:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure wait_nack [2023-11-06 23:02:03,342 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_nack [2023-11-06 23:02:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ack [2023-11-06 23:02:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ack [2023-11-06 23:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 23:02:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 23:02:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure clear_cmd_trigger [2023-11-06 23:02:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_cmd_trigger [2023-11-06 23:02:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 23:02:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 23:02:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure ast_init_dvo [2023-11-06 23:02:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_init_dvo [2023-11-06 23:02:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2023-11-06 23:02:03,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2023-11-06 23:02:03,348 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_probe_single_connector_modes [2023-11-06 23:02:03,348 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_probe_single_connector_modes [2023-11-06 23:02:03,348 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2023-11-06 23:02:03,349 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2023-11-06 23:02:03,349 INFO L130 BoogieDeclarations]: Found specification of procedure drm_err [2023-11-06 23:02:03,349 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_err [2023-11-06 23:02:03,349 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 23:02:03,349 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 23:02:03,349 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2023-11-06 23:02:03,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2023-11-06 23:02:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_base_of_ww_mutex [2023-11-06 23:02:03,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_base_of_ww_mutex [2023-11-06 23:02:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_dpms [2023-11-06 23:02:03,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_dpms [2023-11-06 23:02:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_dp501_video_output [2023-11-06 23:02:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_dp501_video_output [2023-11-06 23:02:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2023-11-06 23:02:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2023-11-06 23:02:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2023-11-06 23:02:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_struct_mutex_of_drm_device [2023-11-06 23:02:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2023-11-06 23:02:03,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2023-11-06 23:02:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-06 23:02:03,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-06 23:02:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 23:02:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 23:02:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2023-11-06 23:02:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2023-11-06 23:02:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_fixup [2023-11-06 23:02:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_fixup [2023-11-06 23:02:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:02:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2023-11-06 23:02:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2023-11-06 23:02:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2023-11-06 23:02:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2023-11-06 23:02:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_vga [2023-11-06 23:02:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_vga [2023-11-06 23:02:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 23:02:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 23:02:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2023-11-06 23:02:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2023-11-06 23:02:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2023-11-06 23:02:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2023-11-06 23:02:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2023-11-06 23:02:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2023-11-06 23:02:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2023-11-06 23:02:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2023-11-06 23:02:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2023-11-06 23:02:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2023-11-06 23:02:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2023-11-06 23:02:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2023-11-06 23:02:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 23:02:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mindwm [2023-11-06 23:02:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mindwm [2023-11-06 23:02:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2023-11-06 23:02:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2023-11-06 23:02:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2023-11-06 23:02:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2023-11-06 23:02:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 23:02:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2023-11-06 23:02:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2023-11-06 23:02:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure send_ack [2023-11-06 23:02:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure send_ack [2023-11-06 23:02:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2023-11-06 23:02:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2023-11-06 23:02:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:02:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2023-11-06 23:02:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2023-11-06 23:02:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-06 23:02:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-06 23:02:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_base [2023-11-06 23:02:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_base [2023-11-06 23:02:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2023-11-06 23:02:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2023-11-06 23:02:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-06 23:02:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-06 23:02:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:02:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure ast_post_gpu [2023-11-06 23:02:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_post_gpu [2023-11-06 23:02:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:02:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_gamma_set [2023-11-06 23:02:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_gamma_set [2023-11-06 23:02:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2023-11-06 23:02:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_base_of_ww_mutex [2023-11-06 23:02:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 23:02:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 23:02:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 23:02:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 23:02:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2023-11-06 23:02:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2023-11-06 23:02:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:02:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 23:02:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2023-11-06 23:02:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2023-11-06 23:02:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_set [2023-11-06 23:02:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_set [2023-11-06 23:02:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2023-11-06 23:02:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2023-11-06 23:02:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2023-11-06 23:02:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2023-11-06 23:02:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2023-11-06 23:02:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2023-11-06 23:02:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 23:02:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 23:02:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2023-11-06 23:02:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2023-11-06 23:02:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-06 23:02:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-06 23:02:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:02:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:02:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 23:02:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 23:02:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 23:02:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 23:02:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure send_nack [2023-11-06 23:02:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure send_nack [2023-11-06 23:02:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_mmio [2023-11-06 23:02:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_mmio [2023-11-06 23:02:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_detect [2023-11-06 23:02:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_detect [2023-11-06 23:02:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-06 23:02:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2023-11-06 23:02:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2023-11-06 23:02:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2023-11-06 23:02:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2023-11-06 23:02:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_base_of_ww_mutex [2023-11-06 23:02:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_base_of_ww_mutex [2023-11-06 23:02:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-11-06 23:02:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-11-06 23:02:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2023-11-06 23:02:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2023-11-06 23:02:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2023-11-06 23:02:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2023-11-06 23:02:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 23:02:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 23:02:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 23:02:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 23:02:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2023-11-06 23:02:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2023-11-06 23:02:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-06 23:02:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-06 23:02:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:02:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:02:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2023-11-06 23:02:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2023-11-06 23:02:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mmap [2023-11-06 23:02:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mmap [2023-11-06 23:02:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-06 23:02:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-06 23:02:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-06 23:02:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-06 23:02:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:02:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2023-11-06 23:02:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2023-11-06 23:02:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_mutex_54 [2023-11-06 23:02:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_mutex_54 [2023-11-06 23:02:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2023-11-06 23:02:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2023-11-06 23:02:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_struct_mutex_of_drm_device [2023-11-06 23:02:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:02:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2023-11-06 23:02:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2023-11-06 23:02:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-11-06 23:02:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-11-06 23:02:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2023-11-06 23:02:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2023-11-06 23:02:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2023-11-06 23:02:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2023-11-06 23:02:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 23:02:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure drm_ut_debug_printk [2023-11-06 23:02:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_ut_debug_printk [2023-11-06 23:02:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 23:02:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 23:02:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2023-11-06 23:02:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2023-11-06 23:02:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 23:02:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 23:02:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2023-11-06 23:02:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2023-11-06 23:02:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2023-11-06 23:02:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2023-11-06 23:02:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2023-11-06 23:02:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2023-11-06 23:02:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2023-11-06 23:02:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2023-11-06 23:02:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2023-11-06 23:02:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2023-11-06 23:02:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2023-11-06 23:02:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2023-11-06 23:02:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2023-11-06 23:02:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2023-11-06 23:02:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2023-11-06 23:02:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2023-11-06 23:02:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2023-11-06 23:02:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2023-11-06 23:02:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2023-11-06 23:02:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2023-11-06 23:02:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure drm_helper_connector_dpms [2023-11-06 23:02:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_helper_connector_dpms [2023-11-06 23:02:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set [2023-11-06 23:02:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set [2023-11-06 23:02:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2023-11-06 23:02:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2023-11-06 23:02:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo [2023-11-06 23:02:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo [2023-11-06 23:02:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 23:02:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 23:02:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:02:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure ast_moutdwm [2023-11-06 23:02:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_moutdwm [2023-11-06 23:02:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2023-11-06 23:02:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2023-11-06 23:02:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2023-11-06 23:02:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2023-11-06 23:02:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 23:02:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 23:02:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2023-11-06 23:02:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2023-11-06 23:02:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-06 23:02:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-06 23:02:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2023-11-06 23:02:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2023-11-06 23:02:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2023-11-06 23:02:03,405 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2023-11-06 23:02:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2023-11-06 23:02:03,405 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2023-11-06 23:02:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2023-11-06 23:02:03,405 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2023-11-06 23:02:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure ast_cursor_move [2023-11-06 23:02:03,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_cursor_move [2023-11-06 23:02:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2023-11-06 23:02:03,406 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2023-11-06 23:02:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure drm_poll [2023-11-06 23:02:03,406 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_poll [2023-11-06 23:02:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2023-11-06 23:02:03,406 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2023-11-06 23:02:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-06 23:02:03,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-06 23:02:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2023-11-06 23:02:03,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2023-11-06 23:02:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2023-11-06 23:02:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2023-11-06 23:02:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2023-11-06 23:02:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2023-11-06 23:02:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:02:04,834 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:02:04,838 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:02:05,037 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 23:02:23,622 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:02:23,657 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:02:23,658 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 23:02:23,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:23 BoogieIcfgContainer [2023-11-06 23:02:23,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:02:23,671 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:02:23,671 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:02:23,674 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:02:23,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:01:54" (1/3) ... [2023-11-06 23:02:23,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665ade74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:23, skipping insertion in model container [2023-11-06 23:02:23,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:01" (2/3) ... [2023-11-06 23:02:23,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665ade74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:23, skipping insertion in model container [2023-11-06 23:02:23,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:23" (3/3) ... [2023-11-06 23:02:23,680 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--ast--ast.ko-entry_point.cil.out.i [2023-11-06 23:02:23,699 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:02:23,699 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:02:23,849 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:02:23,856 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=LoopsAndPotentialCycles, 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;@1b12bb66, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:02:23,856 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:02:23,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 4126 states, 3077 states have (on average 1.4861878453038675) internal successors, (4573), 3172 states have internal predecessors, (4573), 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) [2023-11-06 23:02:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-06 23:02:23,920 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:23,922 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 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] [2023-11-06 23:02:23,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:23,932 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:23,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1565006841, now seen corresponding path program 1 times [2023-11-06 23:02:23,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:23,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136874843] [2023-11-06 23:02:23,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:23,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:02:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:02:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:02:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 23:02:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:02:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:02:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:02:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:02:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:02:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 23:02:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:02:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:02:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 23:02:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:02:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:02:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 23:02:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:02:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:02:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 23:02:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:02:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:02:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 23:02:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:02:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:02:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 23:02:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:02:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:02:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 23:02:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-06 23:02:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 23:02:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:26,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 23:02:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-06 23:02:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:26,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 23:02:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-06 23:02:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:26,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-06 23:02:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2023-11-06 23:02:26,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:26,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136874843] [2023-11-06 23:02:26,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136874843] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:26,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:26,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:02:26,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266719642] [2023-11-06 23:02:26,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:26,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:02:26,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:26,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:02:26,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:02:26,208 INFO L87 Difference]: Start difference. First operand has 4126 states, 3077 states have (on average 1.4861878453038675) internal successors, (4573), 3172 states have internal predecessors, (4573), 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 9.4) internal successors, (47), 2 states have internal predecessors, (47), 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) [2023-11-06 23:02:33,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:02:36,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:02:38,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:02:40,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:02:59,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:01,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:08,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:08,744 INFO L93 Difference]: Finished difference Result 8698 states and 13778 transitions. [2023-11-06 23:03:08,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:03:08,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 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 218 [2023-11-06 23:03:08,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:08,838 INFO L225 Difference]: With dead ends: 8698 [2023-11-06 23:03:08,839 INFO L226 Difference]: Without dead ends: 4551 [2023-11-06 23:03:08,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:03:08,878 INFO L413 NwaCegarLoop]: 5328 mSDtfsCounter, 2043 mSDsluCounter, 9748 mSDsCounter, 0 mSdLazyCounter, 5156 mSolverCounterSat, 2264 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 15076 SdHoareTripleChecker+Invalid, 7423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2264 IncrementalHoareTripleChecker+Valid, 5156 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:08,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2116 Valid, 15076 Invalid, 7423 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2264 Valid, 5156 Invalid, 3 Unknown, 0 Unchecked, 41.8s Time] [2023-11-06 23:03:08,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4551 states. [2023-11-06 23:03:09,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4551 to 4100. [2023-11-06 23:03:09,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4100 states, 3071 states have (on average 1.447736893520026) internal successors, (4446), 3146 states have internal predecessors, (4446), 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) [2023-11-06 23:03:09,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4100 states to 4100 states and 6252 transitions. [2023-11-06 23:03:09,333 INFO L78 Accepts]: Start accepts. Automaton has 4100 states and 6252 transitions. Word has length 218 [2023-11-06 23:03:09,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:09,334 INFO L495 AbstractCegarLoop]: Abstraction has 4100 states and 6252 transitions. [2023-11-06 23:03:09,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 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) [2023-11-06 23:03:09,335 INFO L276 IsEmpty]: Start isEmpty. Operand 4100 states and 6252 transitions. [2023-11-06 23:03:09,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-06 23:03:09,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:09,347 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 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] [2023-11-06 23:03:09,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:03:09,347 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:09,348 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:09,348 INFO L85 PathProgramCache]: Analyzing trace with hash 846871705, now seen corresponding path program 1 times [2023-11-06 23:03:09,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:09,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569951177] [2023-11-06 23:03:09,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:09,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:03:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:03:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 23:03:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:03:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:03:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:03:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 23:03:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:03:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 23:03:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:03:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 23:03:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:03:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 23:03:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:03:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 23:03:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:10,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:11,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:03:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:11,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 23:03:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:03:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:11,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:03:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:11,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 23:03:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-06 23:03:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:11,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 23:03:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:11,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 23:03:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-06 23:03:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:11,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 23:03:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-06 23:03:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:11,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-06 23:03:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:11,234 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2023-11-06 23:03:11,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:11,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569951177] [2023-11-06 23:03:11,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569951177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:11,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:11,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:03:11,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628564990] [2023-11-06 23:03:11,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:11,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:03:11,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:11,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:03:11,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:03:11,240 INFO L87 Difference]: Start difference. First operand 4100 states and 6252 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 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) [2023-11-06 23:03:17,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:20,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:22,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:23,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:36,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:51,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:52,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:03:58,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:58,546 INFO L93 Difference]: Finished difference Result 13051 states and 20101 transitions. [2023-11-06 23:03:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:03:58,547 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), 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 218 [2023-11-06 23:03:58,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:58,623 INFO L225 Difference]: With dead ends: 13051 [2023-11-06 23:03:58,623 INFO L226 Difference]: Without dead ends: 8988 [2023-11-06 23:03:58,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:03:58,651 INFO L413 NwaCegarLoop]: 5355 mSDtfsCounter, 9456 mSDsluCounter, 11616 mSDsCounter, 0 mSdLazyCounter, 5838 mSolverCounterSat, 4874 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10163 SdHoareTripleChecker+Valid, 16971 SdHoareTripleChecker+Invalid, 10716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4874 IncrementalHoareTripleChecker+Valid, 5838 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:58,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10163 Valid, 16971 Invalid, 10716 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4874 Valid, 5838 Invalid, 4 Unknown, 0 Unchecked, 46.3s Time] [2023-11-06 23:03:58,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8988 states. [2023-11-06 23:03:59,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8988 to 8079. [2023-11-06 23:03:59,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8079 states, 6072 states have (on average 1.4509222661396575) internal successors, (8810), 6211 states have internal predecessors, (8810), 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) [2023-11-06 23:03:59,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8079 states to 8079 states and 12334 transitions. [2023-11-06 23:03:59,334 INFO L78 Accepts]: Start accepts. Automaton has 8079 states and 12334 transitions. Word has length 218 [2023-11-06 23:03:59,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:59,339 INFO L495 AbstractCegarLoop]: Abstraction has 8079 states and 12334 transitions. [2023-11-06 23:03:59,340 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), 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) [2023-11-06 23:03:59,340 INFO L276 IsEmpty]: Start isEmpty. Operand 8079 states and 12334 transitions. [2023-11-06 23:03:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-06 23:03:59,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:59,347 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 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] [2023-11-06 23:03:59,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:03:59,347 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:59,347 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:59,348 INFO L85 PathProgramCache]: Analyzing trace with hash -777271719, now seen corresponding path program 1 times [2023-11-06 23:03:59,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:59,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043021318] [2023-11-06 23:03:59,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:59,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:04:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 23:04:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:04:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 23:04:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 23:04:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 23:04:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 23:04:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 23:04:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 23:04:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 23:04:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-06 23:04:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 23:04:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 23:04:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-06 23:04:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 23:04:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-06 23:04:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-06 23:04:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2023-11-06 23:04:00,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:04:00,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043021318] [2023-11-06 23:04:00,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043021318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:04:00,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:04:00,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:04:00,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114598535] [2023-11-06 23:04:00,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:04:00,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:04:00,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:04:00,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:04:00,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:04:00,623 INFO L87 Difference]: Start difference. First operand 8079 states and 12334 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 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) [2023-11-06 23:04:05,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:07,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:09,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:11,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:13,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:20,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:21,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:37,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:39,633 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 [] [2023-11-06 23:04:46,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:46,082 INFO L93 Difference]: Finished difference Result 24916 states and 38359 transitions. [2023-11-06 23:04:46,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:04:46,083 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), 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 222 [2023-11-06 23:04:46,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:46,204 INFO L225 Difference]: With dead ends: 24916 [2023-11-06 23:04:46,205 INFO L226 Difference]: Without dead ends: 16874 [2023-11-06 23:04:46,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:04:46,253 INFO L413 NwaCegarLoop]: 5334 mSDtfsCounter, 8916 mSDsluCounter, 11572 mSDsCounter, 0 mSdLazyCounter, 5797 mSolverCounterSat, 4673 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9511 SdHoareTripleChecker+Valid, 16906 SdHoareTripleChecker+Invalid, 10476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4673 IncrementalHoareTripleChecker+Valid, 5797 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:04:46,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9511 Valid, 16906 Invalid, 10476 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4673 Valid, 5797 Invalid, 6 Unknown, 0 Unchecked, 44.4s Time] [2023-11-06 23:04:46,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16874 states. [2023-11-06 23:04:47,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16874 to 15050. [2023-11-06 23:04:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15050 states, 11329 states have (on average 1.452555388825139) internal successors, (16456), 11553 states have internal predecessors, (16456), 3258 states have call successors, (3258), 463 states have call predecessors, (3258), 462 states have return successors, (3246), 3187 states have call predecessors, (3246), 3246 states have call successors, (3246) [2023-11-06 23:04:47,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15050 states to 15050 states and 22960 transitions. [2023-11-06 23:04:47,469 INFO L78 Accepts]: Start accepts. Automaton has 15050 states and 22960 transitions. Word has length 222 [2023-11-06 23:04:47,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:47,471 INFO L495 AbstractCegarLoop]: Abstraction has 15050 states and 22960 transitions. [2023-11-06 23:04:47,472 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), 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) [2023-11-06 23:04:47,472 INFO L276 IsEmpty]: Start isEmpty. Operand 15050 states and 22960 transitions. [2023-11-06 23:04:47,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-06 23:04:47,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:47,477 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 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] [2023-11-06 23:04:47,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:04:47,478 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:47,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:47,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1170191352, now seen corresponding path program 1 times [2023-11-06 23:04:47,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:47,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275568833] [2023-11-06 23:04:47,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:47,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:04:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 23:04:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:04:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 23:04:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 23:04:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 23:04:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 23:04:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 23:04:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 23:04:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:04:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 23:04:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-06 23:04:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-06 23:04:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 23:04:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 23:04:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:48,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-06 23:04:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 23:04:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-06 23:04:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-06 23:04:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2023-11-06 23:04:49,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:04:49,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275568833] [2023-11-06 23:04:49,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275568833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:04:49,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:04:49,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:04:49,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512706990] [2023-11-06 23:04:49,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:04:49,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:04:49,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:04:49,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:04:49,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:04:49,114 INFO L87 Difference]: Start difference. First operand 15050 states and 22960 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2023-11-06 23:04:53,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:55,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:57,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:04:59,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:05:06,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:05:15,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:05:19,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:05:22,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:05:23,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:05:25,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:05:26,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:05:33,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:05:35,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []