./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 cf1a7837 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_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl/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_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl --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-cf1a783 [2023-11-12 02:26:29,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:26:29,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:26:29,358 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:26:29,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:26:29,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:26:29,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:26:29,408 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:26:29,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:26:29,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:26:29,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:26:29,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:26:29,417 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:26:29,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:26:29,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:26:29,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:26:29,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:26:29,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:26:29,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:26:29,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:26:29,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:26:29,423 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:26:29,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:26:29,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:26:29,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:26:29,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:26:29,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:26:29,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:26:29,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:26:29,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:26:29,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:26:29,429 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:26:29,430 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:26:29,430 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:26:29,430 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:26:29,431 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:26:29,431 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_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 [2023-11-12 02:26:29,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:26:29,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:26:29,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:26:29,814 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:26:29,815 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:26:29,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl/../../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 [2023-11-12 02:26:32,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:26:33,559 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:26:33,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d214643-de71-4889-b040-b3a4b62fa444/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 [2023-11-12 02:26:33,628 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl/data/6f5df16ea/da61037aecb243db918136f49079c966/FLAG6c116ed6b [2023-11-12 02:26:33,649 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl/data/6f5df16ea/da61037aecb243db918136f49079c966 [2023-11-12 02:26:33,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:26:33,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:26:33,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:26:33,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:26:33,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:26:33,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:26:33" (1/1) ... [2023-11-12 02:26:33,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444bb159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:33, skipping insertion in model container [2023-11-12 02:26:33,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:26:33" (1/1) ... [2023-11-12 02:26:33,932 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:26:36,491 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_7d214643-de71-4889-b040-b3a4b62fa444/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] [2023-11-12 02:26:36,545 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-12 02:26:36,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:26:36,607 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:26:36,800 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] [2023-11-12 02:26:36,802 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] [2023-11-12 02:26:36,806 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] [2023-11-12 02:26:36,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6194] [2023-11-12 02:26:36,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6197] [2023-11-12 02:26:36,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6200] [2023-11-12 02:26:36,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6203] [2023-11-12 02:26:36,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6268] [2023-11-12 02:26:36,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6276] [2023-11-12 02:26:36,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [6283] [2023-11-12 02:26:36,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [6291] [2023-11-12 02:26:36,824 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] [2023-11-12 02:26:36,826 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] [2023-11-12 02:26:36,827 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] [2023-11-12 02:26:36,829 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] [2023-11-12 02:26:36,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6925] [2023-11-12 02:26:36,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7948] [2023-11-12 02:26:36,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7950] [2023-11-12 02:26:36,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8140] [2023-11-12 02:26:36,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8142] [2023-11-12 02:26:36,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8497] [2023-11-12 02:26:36,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8509] [2023-11-12 02:26:36,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8560] [2023-11-12 02:26:36,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8699] [2023-11-12 02:26:37,043 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_7d214643-de71-4889-b040-b3a4b62fa444/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] [2023-11-12 02:26:37,048 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-12 02:26:37,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:26:37,181 WARN L672 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:26:37,181 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:26:37,181 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:26:37,189 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:26:37,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:37 WrapperNode [2023-11-12 02:26:37,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:26:37,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:26:37,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:26:37,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:26:37,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:37" (1/1) ... [2023-11-12 02:26:37,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:37" (1/1) ... [2023-11-12 02:26:37,616 INFO L138 Inliner]: procedures = 275, calls = 2324, calls flagged for inlining = 131, calls inlined = 123, statements flattened = 5387 [2023-11-12 02:26:37,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:26:37,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:26:37,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:26:37,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:26:37,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:37" (1/1) ... [2023-11-12 02:26:37,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:37" (1/1) ... [2023-11-12 02:26:37,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:37" (1/1) ... [2023-11-12 02:26:37,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:37" (1/1) ... [2023-11-12 02:26:37,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:37" (1/1) ... [2023-11-12 02:26:37,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:37" (1/1) ... [2023-11-12 02:26:37,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:37" (1/1) ... [2023-11-12 02:26:37,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:37" (1/1) ... [2023-11-12 02:26:37,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:26:37,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:26:37,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:26:37,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:26:37,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:37" (1/1) ... [2023-11-12 02:26:37,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:26:38,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:26:38,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:26:38,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d214643-de71-4889-b040-b3a4b62fa444/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:26:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-12 02:26:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-12 02:26:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2023-11-12 02:26:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2023-11-12 02:26:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:26:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:26:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 02:26:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 02:26:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:26:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:26:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:26:38,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:26:38,078 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:26:38,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:26:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 02:26:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 02:26:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2023-11-12 02:26:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2023-11-12 02:26:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:26:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:26:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-12 02:26:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-12 02:26:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2023-11-12 02:26:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2023-11-12 02:26:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 02:26:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 02:26:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2023-11-12 02:26:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2023-11-12 02:26:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-11-12 02:26:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-11-12 02:26:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:26:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:26:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:26:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:26:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2023-11-12 02:26:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2023-11-12 02:26:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:26:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:26:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 02:26:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 02:26:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:26:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:26:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:26:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:26:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:26:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:26:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 02:26:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 02:26:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-12 02:26:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-12 02:26:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2023-11-12 02:26:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2023-11-12 02:26:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 02:26:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 02:26:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:26:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:26:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2023-11-12 02:26:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2023-11-12 02:26:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 02:26:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 02:26:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:26:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 02:26:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 02:26:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:26:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-12 02:26:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-12 02:26:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_us_delta [2023-11-12 02:26:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_us_delta [2023-11-12 02:26:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:26:38,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:26:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2023-11-12 02:26:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2023-11-12 02:26:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2023-11-12 02:26:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2023-11-12 02:26:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 02:26:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 02:26:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:26:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2023-11-12 02:26:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2023-11-12 02:26:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-12 02:26:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-12 02:26:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:26:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:26:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:26:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 02:26:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 02:26:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-12 02:26:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-12 02:26:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 02:26:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 02:26:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2023-11-12 02:26:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2023-11-12 02:26:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-12 02:26:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-12 02:26:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 02:26:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 02:26:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:26:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:26:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 02:26:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 02:26:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:26:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:26:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2023-11-12 02:26:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2023-11-12 02:26:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:26:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2023-11-12 02:26:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2023-11-12 02:26:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:26:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:26:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:26:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2023-11-12 02:26:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2023-11-12 02:26:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2023-11-12 02:26:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2023-11-12 02:26:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:26:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:26:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:26:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:26:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:26:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2023-11-12 02:26:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2023-11-12 02:26:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:26:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:26:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-12 02:26:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-12 02:26:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2023-11-12 02:26:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2023-11-12 02:26:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 02:26:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 02:26:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 02:26:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 02:26:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-12 02:26:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-12 02:26:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:26:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:26:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2023-11-12 02:26:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2023-11-12 02:26:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 02:26:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 02:26:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:26:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:26:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:26:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-12 02:26:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-12 02:26:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-12 02:26:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-12 02:26:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2023-11-12 02:26:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2023-11-12 02:26:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-12 02:26:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-12 02:26:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:26:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:26:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2023-11-12 02:26:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2023-11-12 02:26:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2023-11-12 02:26:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2023-11-12 02:26:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:26:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:26:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:26:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2023-11-12 02:26:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2023-11-12 02:26:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 02:26:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 02:26:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 02:26:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 02:26:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:26:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-12 02:26:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-12 02:26:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:26:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:26:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:26:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 02:26:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2023-11-12 02:26:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2023-11-12 02:26:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-12 02:26:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-12 02:26:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ioctl [2023-11-12 02:26:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ioctl [2023-11-12 02:26:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2023-11-12 02:26:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2023-11-12 02:26:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:26:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:26:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2023-11-12 02:26:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2023-11-12 02:26:38,130 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2023-11-12 02:26:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2023-11-12 02:26:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 02:26:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 02:26:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2023-11-12 02:26:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2023-11-12 02:26:38,131 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 02:26:38,131 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 02:26:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2023-11-12 02:26:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2023-11-12 02:26:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:26:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2023-11-12 02:26:38,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2023-11-12 02:26:38,132 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-12 02:26:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-12 02:26:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2023-11-12 02:26:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2023-11-12 02:26:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-11-12 02:26:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-11-12 02:26:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:26:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:26:38,936 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:26:38,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:26:39,418 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:26:49,429 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:26:49,458 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:26:49,459 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:26:49,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:49 BoogieIcfgContainer [2023-11-12 02:26:49,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:26:49,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:26:49,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:26:49,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:26:49,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:26:33" (1/3) ... [2023-11-12 02:26:49,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe9fe40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:26:49, skipping insertion in model container [2023-11-12 02:26:49,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:37" (2/3) ... [2023-11-12 02:26:49,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe9fe40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:26:49, skipping insertion in model container [2023-11-12 02:26:49,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:49" (3/3) ... [2023-11-12 02:26:49,479 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-11-12 02:26:49,503 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:26:49,503 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:26:49,633 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:26:49,642 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;@2854513f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:26:49,642 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:26:49,656 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) [2023-11-12 02:26:49,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-12 02:26:49,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:26:49,694 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] [2023-11-12 02:26:49,695 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:26:49,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:49,701 INFO L85 PathProgramCache]: Analyzing trace with hash -2099460088, now seen corresponding path program 1 times [2023-11-12 02:26:49,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:49,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449957384] [2023-11-12 02:26:49,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:49,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:26:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:50,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:50,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:26:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:50,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:26:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:50,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:26:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:26:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:26:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:26:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:26:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:26:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:26:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-12 02:26:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-12 02:26:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-12 02:26:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-12 02:26:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-12 02:26:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:26:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-12 02:26:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:26:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-11-12 02:26:51,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:51,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449957384] [2023-11-12 02:26:51,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449957384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:51,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:51,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:26:51,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428003651] [2023-11-12 02:26:51,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:51,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:26:51,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:51,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:26:51,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:26:51,354 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) [2023-11-12 02:26:58,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:26:58,907 INFO L93 Difference]: Finished difference Result 3983 states and 5915 transitions. [2023-11-12 02:26:58,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:26:58,915 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 [2023-11-12 02:26:58,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:26:58,974 INFO L225 Difference]: With dead ends: 3983 [2023-11-12 02:26:58,975 INFO L226 Difference]: Without dead ends: 2102 [2023-11-12 02:26:59,000 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 [2023-11-12 02:26:59,008 INFO L413 NwaCegarLoop]: 2057 mSDtfsCounter, 1224 mSDsluCounter, 3408 mSDsCounter, 0 mSdLazyCounter, 2243 mSolverCounterSat, 1298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 5465 SdHoareTripleChecker+Invalid, 3541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1298 IncrementalHoareTripleChecker+Valid, 2243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:26:59,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 5465 Invalid, 3541 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1298 Valid, 2243 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-11-12 02:26:59,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2023-11-12 02:26:59,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 1838. [2023-11-12 02:26:59,276 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) [2023-11-12 02:26:59,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2643 transitions. [2023-11-12 02:26:59,302 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2643 transitions. Word has length 174 [2023-11-12 02:26:59,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:26:59,302 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 2643 transitions. [2023-11-12 02:26:59,303 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) [2023-11-12 02:26:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2643 transitions. [2023-11-12 02:26:59,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-12 02:26:59,319 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:26:59,319 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] [2023-11-12 02:26:59,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:26:59,320 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:26:59,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:59,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1549644398, now seen corresponding path program 1 times [2023-11-12 02:26:59,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:59,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646575305] [2023-11-12 02:26:59,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:59,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:27:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:27:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:27:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:27:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:27:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-12 02:27:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-12 02:27:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-12 02:27:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-12 02:27:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-12 02:27:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-12 02:27:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-12 02:27:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-11-12 02:27:00,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:00,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646575305] [2023-11-12 02:27:00,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646575305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:00,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:00,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:27:00,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964003235] [2023-11-12 02:27:00,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:00,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:27:00,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:00,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:27:00,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:27:00,484 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) [2023-11-12 02:27:09,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:27:09,766 INFO L93 Difference]: Finished difference Result 5364 states and 7822 transitions. [2023-11-12 02:27:09,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:27:09,766 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 [2023-11-12 02:27:09,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:27:09,802 INFO L225 Difference]: With dead ends: 5364 [2023-11-12 02:27:09,803 INFO L226 Difference]: Without dead ends: 3554 [2023-11-12 02:27:09,816 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 [2023-11-12 02:27:09,818 INFO L413 NwaCegarLoop]: 2029 mSDtfsCounter, 4246 mSDsluCounter, 3982 mSDsCounter, 0 mSdLazyCounter, 2619 mSolverCounterSat, 2520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4485 SdHoareTripleChecker+Valid, 6011 SdHoareTripleChecker+Invalid, 5139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2520 IncrementalHoareTripleChecker+Valid, 2619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:27:09,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4485 Valid, 6011 Invalid, 5139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2520 Valid, 2619 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-11-12 02:27:09,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3554 states. [2023-11-12 02:27:10,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3554 to 3091. [2023-11-12 02:27:10,032 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) [2023-11-12 02:27:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 3091 states and 4446 transitions. [2023-11-12 02:27:10,061 INFO L78 Accepts]: Start accepts. Automaton has 3091 states and 4446 transitions. Word has length 174 [2023-11-12 02:27:10,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:27:10,063 INFO L495 AbstractCegarLoop]: Abstraction has 3091 states and 4446 transitions. [2023-11-12 02:27:10,064 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) [2023-11-12 02:27:10,064 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 4446 transitions. [2023-11-12 02:27:10,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-11-12 02:27:10,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:27:10,077 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] [2023-11-12 02:27:10,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:27:10,077 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:27:10,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:27:10,078 INFO L85 PathProgramCache]: Analyzing trace with hash 122736004, now seen corresponding path program 1 times [2023-11-12 02:27:10,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:27:10,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30365127] [2023-11-12 02:27:10,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:27:10,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:27:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:10,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:27:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:27:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:27:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-12 02:27:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:27:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:27:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-12 02:27:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-12 02:27:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-12 02:27:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-12 02:27:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-12 02:27:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-12 02:27:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-12 02:27:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-12 02:27:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:27:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-12 02:27:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-12 02:27:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-12 02:27:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:27:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-12 02:27:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-12 02:27:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:27:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-12 02:27:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-12 02:27:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:27:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2023-11-12 02:27:11,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:27:11,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30365127] [2023-11-12 02:27:11,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30365127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:27:11,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:27:11,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:27:11,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095415741] [2023-11-12 02:27:11,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:27:11,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:27:11,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:27:11,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:27:11,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:27:11,494 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)