./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-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:50:52,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:50:52,096 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:50:52,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:50:52,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:50:52,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:50:52,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:50:52,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:50:52,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:50:52,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:50:52,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:50:52,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:50:52,155 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:50:52,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:50:52,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:50:52,158 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:50:52,158 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:50:52,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:50:52,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:50:52,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:50:52,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:50:52,163 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:50:52,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:50:52,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:50:52,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:50:52,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:52,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:50:52,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:50:52,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:50:52,167 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:50:52,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:50:52,169 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:50:52,169 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:50:52,170 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:50:52,170 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:50:52,170 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:50:52,170 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_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 [2023-11-19 07:50:52,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:50:52,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:50:52,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:50:52,501 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:50:52,502 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:50:52,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-11-19 07:50:55,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:56,403 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:56,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-11-19 07:50:56,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu/data/be26fb5e3/7fcc8346d86542698aa8eac2460fd511/FLAG9f62edb4d [2023-11-19 07:50:56,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu/data/be26fb5e3/7fcc8346d86542698aa8eac2460fd511 [2023-11-19 07:50:56,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:56,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:56,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:56,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:56,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:56,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:56" (1/1) ... [2023-11-19 07:50:56,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b6858e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:56, skipping insertion in model container [2023-11-19 07:50:56,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:56" (1/1) ... [2023-11-19 07:50:56,742 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:59,098 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_72a5c828-9228-4465-ac95-9f43eb732676/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2023-11-19 07:50:59,152 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 07:50:59,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:59,214 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:59,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6039] [2023-11-19 07:50:59,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6046] [2023-11-19 07:50:59,372 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; incl %0": "+m" (v->counter)); [6183] [2023-11-19 07:50:59,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6194] [2023-11-19 07:50:59,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6197] [2023-11-19 07:50:59,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6200] [2023-11-19 07:50:59,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6203] [2023-11-19 07:50:59,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6268] [2023-11-19 07:50:59,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6276] [2023-11-19 07:50:59,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [6283] [2023-11-19 07:50:59,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [6291] [2023-11-19 07:50:59,408 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6472-6473] [2023-11-19 07:50:59,411 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6501-6502] [2023-11-19 07:50:59,413 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [6531-6532] [2023-11-19 07:50:59,415 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (120), "i" (12UL)); [6561-6562] [2023-11-19 07:50:59,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6925] [2023-11-19 07:50:59,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7948] [2023-11-19 07:50:59,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7950] [2023-11-19 07:50:59,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8140] [2023-11-19 07:50:59,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8142] [2023-11-19 07:50:59,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8497] [2023-11-19 07:50:59,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8509] [2023-11-19 07:50:59,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8560] [2023-11-19 07:50:59,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8699] [2023-11-19 07:50:59,677 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_72a5c828-9228-4465-ac95-9f43eb732676/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2023-11-19 07:50:59,690 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-19 07:50:59,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:59,818 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:50:59,818 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:50:59,819 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:50:59,827 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:59,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:59 WrapperNode [2023-11-19 07:50:59,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:59,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:59,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:59,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:59,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:59" (1/1) ... [2023-11-19 07:50:59,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:59" (1/1) ... [2023-11-19 07:51:00,210 INFO L138 Inliner]: procedures = 275, calls = 2324, calls flagged for inlining = 131, calls inlined = 123, statements flattened = 5387 [2023-11-19 07:51:00,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:51:00,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:51:00,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:51:00,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:51:00,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:59" (1/1) ... [2023-11-19 07:51:00,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:59" (1/1) ... [2023-11-19 07:51:00,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:59" (1/1) ... [2023-11-19 07:51:00,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:59" (1/1) ... [2023-11-19 07:51:00,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:59" (1/1) ... [2023-11-19 07:51:00,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:59" (1/1) ... [2023-11-19 07:51:00,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:59" (1/1) ... [2023-11-19 07:51:00,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:59" (1/1) ... [2023-11-19 07:51:00,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:51:00,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:51:00,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:51:00,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:51:00,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:59" (1/1) ... [2023-11-19 07:51:00,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:51:00,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:51:00,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:51:00,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a5c828-9228-4465-ac95-9f43eb732676/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:51:00,560 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 07:51:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 07:51:00,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2023-11-19 07:51:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2023-11-19 07:51:00,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:51:00,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:51:00,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 07:51:00,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 07:51:00,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:51:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:51:00,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:51:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:51:00,562 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:51:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:51:00,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:51:00,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:51:00,563 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2023-11-19 07:51:00,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2023-11-19 07:51:00,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:51:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:51:00,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-19 07:51:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-19 07:51:00,564 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2023-11-19 07:51:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2023-11-19 07:51:00,564 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 07:51:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 07:51:00,565 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2023-11-19 07:51:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2023-11-19 07:51:00,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-11-19 07:51:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-11-19 07:51:00,565 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:51:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:51:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:51:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:51:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2023-11-19 07:51:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2023-11-19 07:51:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:51:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:51:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 07:51:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 07:51:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:51:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:51:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:51:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:51:00,568 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:51:00,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:51:00,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 07:51:00,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 07:51:00,568 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-19 07:51:00,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-19 07:51:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2023-11-19 07:51:00,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2023-11-19 07:51:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 07:51:00,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 07:51:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:51:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:51:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2023-11-19 07:51:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2023-11-19 07:51:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 07:51:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 07:51:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:51:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 07:51:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 07:51:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 07:51:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-19 07:51:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-19 07:51:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_us_delta [2023-11-19 07:51:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_us_delta [2023-11-19 07:51:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:51:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:51:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2023-11-19 07:51:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2023-11-19 07:51:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2023-11-19 07:51:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2023-11-19 07:51:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 07:51:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 07:51:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:51:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2023-11-19 07:51:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2023-11-19 07:51:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-19 07:51:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-19 07:51:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:51:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:51:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:51:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 07:51:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 07:51:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-19 07:51:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-19 07:51:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:51:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:51:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2023-11-19 07:51:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2023-11-19 07:51:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-19 07:51:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-19 07:51:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:51:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:51:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:51:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:51:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 07:51:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 07:51:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:51:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:51:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2023-11-19 07:51:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2023-11-19 07:51:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:51:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2023-11-19 07:51:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2023-11-19 07:51:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:51:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:51:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:51:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2023-11-19 07:51:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2023-11-19 07:51:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2023-11-19 07:51:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2023-11-19 07:51:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:51:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:51:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:51:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:51:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:51:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2023-11-19 07:51:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2023-11-19 07:51:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:51:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:51:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-19 07:51:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-19 07:51:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2023-11-19 07:51:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2023-11-19 07:51:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:51:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:51:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:51:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:51:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-19 07:51:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-19 07:51:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:51:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:51:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2023-11-19 07:51:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2023-11-19 07:51:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 07:51:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 07:51:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:51:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 07:51:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 07:51:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 07:51:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 07:51:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 07:51:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 07:51:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2023-11-19 07:51:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2023-11-19 07:51:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-19 07:51:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-19 07:51:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:51:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:51:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2023-11-19 07:51:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2023-11-19 07:51:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2023-11-19 07:51:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2023-11-19 07:51:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:51:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:51:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:51:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2023-11-19 07:51:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2023-11-19 07:51:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:51:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:51:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 07:51:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 07:51:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:51:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 07:51:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 07:51:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:51:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:51:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:51:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:51:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2023-11-19 07:51:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2023-11-19 07:51:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:51:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:51:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ioctl [2023-11-19 07:51:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ioctl [2023-11-19 07:51:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2023-11-19 07:51:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2023-11-19 07:51:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 07:51:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 07:51:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2023-11-19 07:51:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2023-11-19 07:51:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2023-11-19 07:51:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2023-11-19 07:51:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 07:51:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 07:51:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2023-11-19 07:51:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2023-11-19 07:51:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 07:51:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 07:51:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2023-11-19 07:51:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2023-11-19 07:51:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:51:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2023-11-19 07:51:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2023-11-19 07:51:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-19 07:51:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-19 07:51:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2023-11-19 07:51:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2023-11-19 07:51:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-11-19 07:51:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-11-19 07:51:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:51:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:51:01,362 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:51:01,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:51:01,899 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:51:11,538 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:51:11,569 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:51:11,570 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:51:11,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:11 BoogieIcfgContainer [2023-11-19 07:51:11,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:51:11,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:51:11,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:51:11,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:51:11,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:56" (1/3) ... [2023-11-19 07:51:11,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18629ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:11, skipping insertion in model container [2023-11-19 07:51:11,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:59" (2/3) ... [2023-11-19 07:51:11,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18629ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:51:11, skipping insertion in model container [2023-11-19 07:51:11,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:51:11" (3/3) ... [2023-11-19 07:51:11,600 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-11-19 07:51:11,623 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:51:11,623 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:51:11,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:51:11,751 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6bc675ca, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:51:11,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:51:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 1862 states, 1305 states have (on average 1.3685823754789272) internal successors, (1786), 1339 states have internal predecessors, (1786), 463 states have call successors, (463), 93 states have call predecessors, (463), 92 states have return successors, (456), 456 states have call predecessors, (456), 456 states have call successors, (456) [2023-11-19 07:51:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 07:51:11,816 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:11,818 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:11,818 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:11,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:11,826 INFO L85 PathProgramCache]: Analyzing trace with hash -2099460088, now seen corresponding path program 1 times [2023-11-19 07:51:11,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:11,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164522314] [2023-11-19 07:51:11,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:11,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:12,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:51:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:51:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:51:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:51:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:51:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:51:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-19 07:51:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-19 07:51:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:51:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 07:51:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-19 07:51:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-19 07:51:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-11-19 07:51:13,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:13,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164522314] [2023-11-19 07:51:13,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164522314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:13,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:13,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:51:13,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933570055] [2023-11-19 07:51:13,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:13,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:51:13,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:13,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:51:13,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:51:13,569 INFO L87 Difference]: Start difference. First operand has 1862 states, 1305 states have (on average 1.3685823754789272) internal successors, (1786), 1339 states have internal predecessors, (1786), 463 states have call successors, (463), 93 states have call predecessors, (463), 92 states have return successors, (456), 456 states have call predecessors, (456), 456 states have call successors, (456) Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:51:21,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:21,366 INFO L93 Difference]: Finished difference Result 3983 states and 5915 transitions. [2023-11-19 07:51:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:51:21,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 174 [2023-11-19 07:51:21,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:21,433 INFO L225 Difference]: With dead ends: 3983 [2023-11-19 07:51:21,434 INFO L226 Difference]: Without dead ends: 2102 [2023-11-19 07:51:21,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:51:21,466 INFO L413 NwaCegarLoop]: 2059 mSDtfsCounter, 1224 mSDsluCounter, 3411 mSDsCounter, 0 mSdLazyCounter, 2246 mSolverCounterSat, 1298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 5470 SdHoareTripleChecker+Invalid, 3544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1298 IncrementalHoareTripleChecker+Valid, 2246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:21,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 5470 Invalid, 3544 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1298 Valid, 2246 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-11-19 07:51:21,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2023-11-19 07:51:21,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 1838. [2023-11-19 07:51:21,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1291 states have (on average 1.343144848954299) internal successors, (1734), 1315 states have internal predecessors, (1734), 455 states have call successors, (455), 92 states have call predecessors, (455), 91 states have return successors, (454), 454 states have call predecessors, (454), 454 states have call successors, (454) [2023-11-19 07:51:21,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2643 transitions. [2023-11-19 07:51:21,803 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2643 transitions. Word has length 174 [2023-11-19 07:51:21,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:21,804 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 2643 transitions. [2023-11-19 07:51:21,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:51:21,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2643 transitions. [2023-11-19 07:51:21,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 07:51:21,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:21,813 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:21,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:51:21,814 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:21,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:21,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1549644398, now seen corresponding path program 1 times [2023-11-19 07:51:21,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:21,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153755949] [2023-11-19 07:51:21,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:21,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:51:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:51:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:51:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:51:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:51:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:51:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-19 07:51:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-19 07:51:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:51:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 07:51:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-19 07:51:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-19 07:51:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-11-19 07:51:22,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:22,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153755949] [2023-11-19 07:51:22,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153755949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:22,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:22,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:51:22,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537024625] [2023-11-19 07:51:22,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:22,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:51:22,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:22,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:51:22,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:51:22,907 INFO L87 Difference]: Start difference. First operand 1838 states and 2643 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:51:31,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:51:31,743 INFO L93 Difference]: Finished difference Result 5364 states and 7822 transitions. [2023-11-19 07:51:31,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:51:31,743 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 174 [2023-11-19 07:51:31,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:51:31,778 INFO L225 Difference]: With dead ends: 5364 [2023-11-19 07:51:31,778 INFO L226 Difference]: Without dead ends: 3554 [2023-11-19 07:51:31,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:51:31,794 INFO L413 NwaCegarLoop]: 2028 mSDtfsCounter, 4246 mSDsluCounter, 3980 mSDsCounter, 0 mSdLazyCounter, 2619 mSolverCounterSat, 2520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4486 SdHoareTripleChecker+Valid, 6008 SdHoareTripleChecker+Invalid, 5139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2520 IncrementalHoareTripleChecker+Valid, 2619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:51:31,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4486 Valid, 6008 Invalid, 5139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2520 Valid, 2619 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-11-19 07:51:31,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3554 states. [2023-11-19 07:51:31,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3554 to 3091. [2023-11-19 07:51:31,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3091 states, 2186 states have (on average 1.3536139066788655) internal successors, (2959), 2225 states have internal predecessors, (2959), 742 states have call successors, (742), 163 states have call predecessors, (742), 162 states have return successors, (745), 740 states have call predecessors, (745), 741 states have call successors, (745) [2023-11-19 07:51:31,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 3091 states and 4446 transitions. [2023-11-19 07:51:31,993 INFO L78 Accepts]: Start accepts. Automaton has 3091 states and 4446 transitions. Word has length 174 [2023-11-19 07:51:31,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:51:31,996 INFO L495 AbstractCegarLoop]: Abstraction has 3091 states and 4446 transitions. [2023-11-19 07:51:31,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:51:31,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 4446 transitions. [2023-11-19 07:51:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-19 07:51:32,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:51:32,008 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:51:32,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:51:32,008 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:51:32,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:51:32,009 INFO L85 PathProgramCache]: Analyzing trace with hash 122736004, now seen corresponding path program 1 times [2023-11-19 07:51:32,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:51:32,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238813286] [2023-11-19 07:51:32,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:51:32,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:51:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:32,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:51:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:32,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:32,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:51:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:32,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:32,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:51:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:51:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:51:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:51:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:51:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-19 07:51:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-19 07:51:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:51:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 07:51:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-19 07:51:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-19 07:51:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-19 07:51:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-19 07:51:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-19 07:51:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-19 07:51:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-19 07:51:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:51:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-19 07:51:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-19 07:51:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:51:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:51:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-19 07:51:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:51:33,399 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2023-11-19 07:51:33,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:51:33,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238813286] [2023-11-19 07:51:33,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238813286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:51:33,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:51:33,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:51:33,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060447804] [2023-11-19 07:51:33,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:51:33,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:51:33,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:51:33,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:51:33,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:51:33,404 INFO L87 Difference]: Start difference. First operand 3091 states and 4446 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27)