./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX --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 80259aeae4ba31147e34290e116025197f33b09a822b5f4bbd0689489ba43471 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:12:39,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:12:39,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-08 17:12:39,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:12:39,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:12:39,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:12:39,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:12:39,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:12:39,764 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:12:39,764 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:12:39,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:12:39,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:12:39,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:12:39,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:12:39,773 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:12:39,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:12:39,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:12:39,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:12:39,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:12:39,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:12:39,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:12:39,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:12:39,777 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:12:39,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:12:39,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:12:39,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:12:39,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:12:39,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:12:39,780 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:12:39,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:12:39,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:12:39,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:12:39,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:12:39,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:12:39,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:12:39,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:12:39,783 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:12:39,783 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:12:39,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:12:39,784 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_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80259aeae4ba31147e34290e116025197f33b09a822b5f4bbd0689489ba43471 [2024-11-08 17:12:40,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:12:40,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:12:40,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:12:40,149 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:12:40,150 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:12:40,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-08 17:12:42,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:12:43,409 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:12:43,409 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2024-11-08 17:12:43,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX/data/343260fe4/0e3e9a22bb6b4b93b1f9e82ea9b47d10/FLAG304d0e7fc [2024-11-08 17:12:43,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX/data/343260fe4/0e3e9a22bb6b4b93b1f9e82ea9b47d10 [2024-11-08 17:12:43,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:12:43,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:12:43,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:12:43,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:12:43,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:12:43,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:12:43" (1/1) ... [2024-11-08 17:12:43,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c7969c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:43, skipping insertion in model container [2024-11-08 17:12:43,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:12:43" (1/1) ... [2024-11-08 17:12:43,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:12:45,701 WARN L250 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_dca957c1-7ae4-4c35-86d8-89173f6dd313/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[119996,120009] [2024-11-08 17:12:47,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:12:47,342 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:12:47,493 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"); [3760] [2024-11-08 17:12:47,498 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3794-3795] [2024-11-08 17:12:47,499 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3798-3799] [2024-11-08 17:12:47,500 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3802-3803] [2024-11-08 17:12:47,500 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3806-3807] [2024-11-08 17:12:47,518 WARN L250 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_dca957c1-7ae4-4c35-86d8-89173f6dd313/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[119996,120009] [2024-11-08 17:12:48,030 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)); [7459] [2024-11-08 17:12:48,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7466] [2024-11-08 17:12:48,031 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7475-7476] [2024-11-08 17:12:48,032 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7492-7493] [2024-11-08 17:12:48,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [7507-7508] [2024-11-08 17:12:48,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7521] [2024-11-08 17:12:48,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7524] [2024-11-08 17:12:48,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7527] [2024-11-08 17:12:48,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7530] [2024-11-08 17:12:48,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [7547] [2024-11-08 17:12:48,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7550] [2024-11-08 17:12:48,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7553] [2024-11-08 17:12:48,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7556] [2024-11-08 17:12:48,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:12:48,383 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:12:48,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48 WrapperNode [2024-11-08 17:12:48,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:12:48,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:12:48,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:12:48,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:12:48,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48" (1/1) ... [2024-11-08 17:12:48,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48" (1/1) ... [2024-11-08 17:12:48,757 INFO L138 Inliner]: procedures = 373, calls = 3127, calls flagged for inlining = 201, calls inlined = 182, statements flattened = 6824 [2024-11-08 17:12:48,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:12:48,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:12:48,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:12:48,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:12:48,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48" (1/1) ... [2024-11-08 17:12:48,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48" (1/1) ... [2024-11-08 17:12:48,844 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48" (1/1) ... [2024-11-08 17:12:51,520 INFO L175 MemorySlicer]: Split 1370 memory accesses to 27 slices as follows [4, 2, 17, 2, 16, 2, 3, 2, 273, 2, 67, 2, 1, 2, 2, 713, 1, 67, 26, 1, 35, 44, 3, 72, 2, 7, 2]. 52 percent of accesses are in the largest equivalence class. The 229 initializations are split as follows [4, 0, 16, 0, 0, 0, 0, 2, 0, 0, 67, 0, 0, 0, 0, 64, 0, 67, 0, 0, 0, 0, 0, 0, 2, 7, 0]. The 630 writes are split as follows [0, 1, 0, 1, 16, 1, 2, 0, 234, 1, 0, 1, 0, 1, 0, 217, 1, 0, 0, 0, 35, 44, 2, 72, 0, 0, 1]. [2024-11-08 17:12:51,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48" (1/1) ... [2024-11-08 17:12:51,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48" (1/1) ... [2024-11-08 17:12:51,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48" (1/1) ... [2024-11-08 17:12:51,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48" (1/1) ... [2024-11-08 17:12:51,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48" (1/1) ... [2024-11-08 17:12:51,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48" (1/1) ... [2024-11-08 17:12:51,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:12:51,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:12:51,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:12:51,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:12:51,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48" (1/1) ... [2024-11-08 17:12:51,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:12:51,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:12:52,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:12:52,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca957c1-7ae4-4c35-86d8-89173f6dd313/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:12:52,044 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2024-11-08 17:12:52,044 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2024-11-08 17:12:52,044 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2024-11-08 17:12:52,045 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2024-11-08 17:12:52,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2024-11-08 17:12:52,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2024-11-08 17:12:52,046 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2024-11-08 17:12:52,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2024-11-08 17:12:52,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-08 17:12:52,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2024-11-08 17:12:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_14 [2024-11-08 17:12:52,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_14 [2024-11-08 17:12:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2024-11-08 17:12:52,048 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2024-11-08 17:12:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-08 17:12:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-08 17:12:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-08 17:12:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-08 17:12:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-08 17:12:52,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-08 17:12:52,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-08 17:12:52,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-08 17:12:52,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-08 17:12:52,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-08 17:12:52,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-08 17:12:52,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-08 17:12:52,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-08 17:12:52,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-08 17:12:52,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-08 17:12:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-08 17:12:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-08 17:12:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-08 17:12:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-08 17:12:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-08 17:12:52,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-08 17:12:52,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-08 17:12:52,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-08 17:12:52,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-08 17:12:52,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-08 17:12:52,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-11-08 17:12:52,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-11-08 17:12:52,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-08 17:12:52,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-08 17:12:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2024-11-08 17:12:52,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2024-11-08 17:12:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2024-11-08 17:12:52,056 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2024-11-08 17:12:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2024-11-08 17:12:52,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2024-11-08 17:12:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2024-11-08 17:12:52,057 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2024-11-08 17:12:52,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-08 17:12:52,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-08 17:12:52,057 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2024-11-08 17:12:52,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2024-11-08 17:12:52,057 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-08 17:12:52,057 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-08 17:12:52,057 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2024-11-08 17:12:52,058 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2024-11-08 17:12:52,058 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2024-11-08 17:12:52,058 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2024-11-08 17:12:52,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-08 17:12:52,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-08 17:12:52,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-11-08 17:12:52,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-11-08 17:12:52,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-08 17:12:52,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-08 17:12:52,059 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2024-11-08 17:12:52,059 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2024-11-08 17:12:52,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2024-11-08 17:12:52,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2024-11-08 17:12:52,062 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2024-11-08 17:12:52,063 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2024-11-08 17:12:52,063 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2024-11-08 17:12:52,063 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2024-11-08 17:12:52,063 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2024-11-08 17:12:52,063 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2024-11-08 17:12:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-08 17:12:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-08 17:12:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-08 17:12:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-08 17:12:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2024-11-08 17:12:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2024-11-08 17:12:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2024-11-08 17:12:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2024-11-08 17:12:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2024-11-08 17:12:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2024-11-08 17:12:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2024-11-08 17:12:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2024-11-08 17:12:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2024-11-08 17:12:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2024-11-08 17:12:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-08 17:12:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-08 17:12:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:12:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:12:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2024-11-08 17:12:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2024-11-08 17:12:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2024-11-08 17:12:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2024-11-08 17:12:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2024-11-08 17:12:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2024-11-08 17:12:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2024-11-08 17:12:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2024-11-08 17:12:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2024-11-08 17:12:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2024-11-08 17:12:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___2 [2024-11-08 17:12:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___2 [2024-11-08 17:12:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2024-11-08 17:12:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2024-11-08 17:12:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-08 17:12:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-08 17:12:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-08 17:12:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-08 17:12:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 17:12:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-08 17:12:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-08 17:12:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2024-11-08 17:12:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2024-11-08 17:12:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2024-11-08 17:12:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2024-11-08 17:12:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2024-11-08 17:12:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2024-11-08 17:12:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2024-11-08 17:12:52,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2024-11-08 17:12:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-11-08 17:12:52,076 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-11-08 17:12:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 17:12:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 17:12:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 17:12:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 17:12:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 17:12:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-08 17:12:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-08 17:12:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-08 17:12:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-08 17:12:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-08 17:12:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-08 17:12:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-08 17:12:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-08 17:12:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-08 17:12:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-08 17:12:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-08 17:12:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-08 17:12:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-08 17:12:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-08 17:12:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-08 17:12:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-08 17:12:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-08 17:12:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-08 17:12:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-08 17:12:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-08 17:12:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-08 17:12:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-08 17:12:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-08 17:12:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-08 17:12:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2024-11-08 17:12:52,086 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2024-11-08 17:12:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2024-11-08 17:12:52,086 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2024-11-08 17:12:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-11-08 17:12:52,086 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-11-08 17:12:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-08 17:12:52,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-08 17:12:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2024-11-08 17:12:52,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2024-11-08 17:12:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2024-11-08 17:12:52,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2024-11-08 17:12:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 17:12:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 17:12:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 17:12:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 17:12:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 17:12:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 17:12:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-08 17:12:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-08 17:12:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-08 17:12:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-08 17:12:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-08 17:12:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-08 17:12:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-08 17:12:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-08 17:12:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-08 17:12:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-08 17:12:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-08 17:12:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-08 17:12:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-08 17:12:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-08 17:12:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-08 17:12:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-08 17:12:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-08 17:12:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-08 17:12:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-08 17:12:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-08 17:12:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-08 17:12:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-08 17:12:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-08 17:12:52,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-08 17:12:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-08 17:12:52,094 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-08 17:12:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2024-11-08 17:12:52,094 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2024-11-08 17:12:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-08 17:12:52,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2024-11-08 17:12:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2024-11-08 17:12:52,095 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2024-11-08 17:12:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-08 17:12:52,097 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-08 17:12:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2024-11-08 17:12:52,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2024-11-08 17:12:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2024-11-08 17:12:52,098 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2024-11-08 17:12:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-08 17:12:52,098 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-08 17:12:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-08 17:12:52,099 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-08 17:12:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-08 17:12:52,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-08 17:12:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2024-11-08 17:12:52,099 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2024-11-08 17:12:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2024-11-08 17:12:52,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2024-11-08 17:12:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2024-11-08 17:12:52,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2024-11-08 17:12:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-08 17:12:52,100 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-08 17:12:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2024-11-08 17:12:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2024-11-08 17:12:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2024-11-08 17:12:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2024-11-08 17:12:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-08 17:12:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-08 17:12:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2024-11-08 17:12:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2024-11-08 17:12:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-08 17:12:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-08 17:12:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-08 17:12:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-08 17:12:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-08 17:12:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-08 17:12:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-08 17:12:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-08 17:12:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-08 17:12:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-08 17:12:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-08 17:12:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-08 17:12:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-08 17:12:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-08 17:12:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-08 17:12:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-08 17:12:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-08 17:12:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-08 17:12:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-08 17:12:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-08 17:12:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-08 17:12:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-08 17:12:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-08 17:12:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-08 17:12:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-08 17:12:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-08 17:12:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-08 17:12:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-08 17:12:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-08 17:12:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2024-11-08 17:12:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2024-11-08 17:12:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-08 17:12:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-08 17:12:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2024-11-08 17:12:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2024-11-08 17:12:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2024-11-08 17:12:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2024-11-08 17:12:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2024-11-08 17:12:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2024-11-08 17:12:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2024-11-08 17:12:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2024-11-08 17:12:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 17:12:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 17:12:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 17:12:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 17:12:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 17:12:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 17:12:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 17:12:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 17:12:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 17:12:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 17:12:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 17:12:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 17:12:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 17:12:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-08 17:12:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-08 17:12:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-08 17:12:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-08 17:12:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-08 17:12:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-08 17:12:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-08 17:12:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-08 17:12:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-08 17:12:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-08 17:12:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-08 17:12:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-08 17:12:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-08 17:12:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-08 17:12:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2024-11-08 17:12:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2024-11-08 17:12:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2024-11-08 17:12:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2024-11-08 17:12:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2024-11-08 17:12:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2024-11-08 17:12:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-08 17:12:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-08 17:12:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2024-11-08 17:12:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2024-11-08 17:12:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2024-11-08 17:12:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2024-11-08 17:12:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-08 17:12:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-08 17:12:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-08 17:12:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-08 17:12:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2024-11-08 17:12:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2024-11-08 17:12:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2024-11-08 17:12:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2024-11-08 17:12:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-08 17:12:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-08 17:12:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_41 [2024-11-08 17:12:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_41 [2024-11-08 17:12:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_42 [2024-11-08 17:12:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_42 [2024-11-08 17:12:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-11-08 17:12:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-11-08 17:12:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 17:12:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 17:12:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 17:12:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 17:12:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 17:12:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 17:12:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 17:12:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 17:12:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 17:12:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 17:12:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 17:12:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 17:12:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 17:12:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-08 17:12:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-08 17:12:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-08 17:12:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-08 17:12:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-08 17:12:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-08 17:12:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-08 17:12:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-08 17:12:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-08 17:12:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-08 17:12:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-08 17:12:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-08 17:12:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-08 17:12:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-08 17:12:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2024-11-08 17:12:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2024-11-08 17:12:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-08 17:12:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-08 17:12:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2024-11-08 17:12:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2024-11-08 17:12:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2024-11-08 17:12:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2024-11-08 17:12:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-08 17:12:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-08 17:12:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2024-11-08 17:12:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2024-11-08 17:12:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2024-11-08 17:12:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2024-11-08 17:12:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2024-11-08 17:12:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2024-11-08 17:12:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 17:12:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2024-11-08 17:12:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2024-11-08 17:12:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:12:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-08 17:12:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-08 17:12:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 17:12:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 17:12:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 17:12:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 17:12:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-08 17:12:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-08 17:12:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-08 17:12:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-08 17:12:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-08 17:12:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-08 17:12:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-08 17:12:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-08 17:12:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-08 17:12:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-08 17:12:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-08 17:12:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-08 17:12:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-08 17:12:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-08 17:12:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-08 17:12:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-08 17:12:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-08 17:12:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-08 17:12:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-08 17:12:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-08 17:12:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-08 17:12:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-08 17:12:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-08 17:12:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-08 17:12:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-08 17:12:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_18 [2024-11-08 17:12:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_18 [2024-11-08 17:12:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_4 [2024-11-08 17:12:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_4 [2024-11-08 17:12:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-08 17:12:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-08 17:12:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-08 17:12:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-08 17:12:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2024-11-08 17:12:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2024-11-08 17:12:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-08 17:12:52,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-08 17:12:52,137 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2024-11-08 17:12:52,137 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2024-11-08 17:12:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_22 [2024-11-08 17:12:52,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_22 [2024-11-08 17:12:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2024-11-08 17:12:52,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2024-11-08 17:12:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2024-11-08 17:12:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2024-11-08 17:12:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2024-11-08 17:12:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2024-11-08 17:12:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2024-11-08 17:12:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2024-11-08 17:12:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-08 17:12:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-08 17:12:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2024-11-08 17:12:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2024-11-08 17:12:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-08 17:12:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-08 17:12:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2024-11-08 17:12:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2024-11-08 17:12:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-08 17:12:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-08 17:12:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-08 17:12:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-08 17:12:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:12:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:12:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 17:12:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 17:12:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 17:12:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 17:12:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 17:12:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 17:12:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 17:12:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 17:12:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 17:12:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 17:12:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 17:12:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 17:12:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 17:12:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-08 17:12:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-08 17:12:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-08 17:12:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-08 17:12:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-08 17:12:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-08 17:12:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-08 17:12:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-08 17:12:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-08 17:12:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-08 17:12:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-08 17:12:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-08 17:12:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:12:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:12:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2024-11-08 17:12:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2024-11-08 17:12:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2024-11-08 17:12:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2024-11-08 17:12:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-08 17:12:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-08 17:12:53,494 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:12:53,499 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:12:53,981 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-08 17:12:54,701 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___2FINAL: assume true; [2024-11-08 17:13:15,071 INFO L? ?]: Removed 2545 outVars from TransFormulas that were not future-live. [2024-11-08 17:13:15,071 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:13:15,132 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:13:15,132 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 17:13:15,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:13:15 BoogieIcfgContainer [2024-11-08 17:13:15,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:13:15,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:13:15,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:13:15,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:13:15,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:12:43" (1/3) ... [2024-11-08 17:13:15,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329e1469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:13:15, skipping insertion in model container [2024-11-08 17:13:15,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:48" (2/3) ... [2024-11-08 17:13:15,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329e1469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:13:15, skipping insertion in model container [2024-11-08 17:13:15,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:13:15" (3/3) ... [2024-11-08 17:13:15,145 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2024-11-08 17:13:15,169 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:13:15,169 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:13:15,415 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:13:15,424 INFO L333 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, 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;@3d6a5357, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:13:15,424 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:13:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 2260 states, 1601 states have (on average 1.325421611492817) internal successors, (2122), 1645 states have internal predecessors, (2122), 531 states have call successors, (531), 128 states have call predecessors, (531), 126 states have return successors, (517), 506 states have call predecessors, (517), 517 states have call successors, (517) [2024-11-08 17:13:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 17:13:15,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:13:15,467 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:13:15,468 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:13:15,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:13:15,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1248333559, now seen corresponding path program 1 times [2024-11-08 17:13:15,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:13:15,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99751894] [2024-11-08 17:13:15,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:13:15,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:13:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:24,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:13:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:24,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:13:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:24,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 17:13:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:24,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:13:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:24,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:13:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:24,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:13:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:24,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:13:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:24,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 17:13:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:25,018 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:13:25,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:13:25,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99751894] [2024-11-08 17:13:25,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99751894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:13:25,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:13:25,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:13:25,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149513454] [2024-11-08 17:13:25,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:13:25,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:13:25,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:13:25,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:13:25,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:13:25,083 INFO L87 Difference]: Start difference. First operand has 2260 states, 1601 states have (on average 1.325421611492817) internal successors, (2122), 1645 states have internal predecessors, (2122), 531 states have call successors, (531), 128 states have call predecessors, (531), 126 states have return successors, (517), 506 states have call predecessors, (517), 517 states have call successors, (517) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-08 17:13:29,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:13:33,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:13:45,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:14:10,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:10,453 INFO L93 Difference]: Finished difference Result 7147 states and 10498 transitions. [2024-11-08 17:14:10,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:14:10,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 69 [2024-11-08 17:14:10,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:10,529 INFO L225 Difference]: With dead ends: 7147 [2024-11-08 17:14:10,530 INFO L226 Difference]: Without dead ends: 4855 [2024-11-08 17:14:10,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:14:10,565 INFO L432 NwaCegarLoop]: 2583 mSDtfsCounter, 4285 mSDsluCounter, 3621 mSDsCounter, 0 mSdLazyCounter, 2223 mSolverCounterSat, 1487 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4673 SdHoareTripleChecker+Valid, 6204 SdHoareTripleChecker+Invalid, 3713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1487 IncrementalHoareTripleChecker+Valid, 2223 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:10,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4673 Valid, 6204 Invalid, 3713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1487 Valid, 2223 Invalid, 3 Unknown, 0 Unchecked, 44.4s Time] [2024-11-08 17:14:10,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4855 states. [2024-11-08 17:14:11,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4855 to 4345. [2024-11-08 17:14:11,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4345 states, 3104 states have (on average 1.3163659793814433) internal successors, (4086), 3153 states have internal predecessors, (4086), 993 states have call successors, (993), 248 states have call predecessors, (993), 247 states have return successors, (986), 964 states have call predecessors, (986), 986 states have call successors, (986) [2024-11-08 17:14:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 4345 states and 6065 transitions. [2024-11-08 17:14:11,081 INFO L78 Accepts]: Start accepts. Automaton has 4345 states and 6065 transitions. Word has length 69 [2024-11-08 17:14:11,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:11,085 INFO L471 AbstractCegarLoop]: Abstraction has 4345 states and 6065 transitions. [2024-11-08 17:14:11,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-08 17:14:11,085 INFO L276 IsEmpty]: Start isEmpty. Operand 4345 states and 6065 transitions. [2024-11-08 17:14:11,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 17:14:11,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:11,110 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:14:11,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:14:11,113 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:11,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:11,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1853232234, now seen corresponding path program 1 times [2024-11-08 17:14:11,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:11,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281451779] [2024-11-08 17:14:11,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:11,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:14:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:20,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:14:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:20,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 17:14:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:20,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:14:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:20,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:14:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:20,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:14:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:20,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:14:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:20,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 17:14:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:20,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:14:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:20,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 17:14:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:20,292 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:14:20,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:14:20,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281451779] [2024-11-08 17:14:20,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281451779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:20,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:20,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:14:20,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861826786] [2024-11-08 17:14:20,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:20,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:14:20,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:14:20,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:14:20,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:14:20,300 INFO L87 Difference]: Start difference. First operand 4345 states and 6065 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-08 17:14:24,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:14:37,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:14:54,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:15:05,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:15:05,627 INFO L93 Difference]: Finished difference Result 13625 states and 19221 transitions. [2024-11-08 17:15:05,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:15:05,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 89 [2024-11-08 17:15:05,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:15:05,723 INFO L225 Difference]: With dead ends: 13625 [2024-11-08 17:15:05,723 INFO L226 Difference]: Without dead ends: 9301 [2024-11-08 17:15:05,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:15:05,758 INFO L432 NwaCegarLoop]: 2565 mSDtfsCounter, 4068 mSDsluCounter, 3535 mSDsCounter, 0 mSdLazyCounter, 2302 mSolverCounterSat, 1439 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4462 SdHoareTripleChecker+Valid, 6100 SdHoareTripleChecker+Invalid, 3744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1439 IncrementalHoareTripleChecker+Valid, 2302 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:15:05,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4462 Valid, 6100 Invalid, 3744 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1439 Valid, 2302 Invalid, 3 Unknown, 0 Unchecked, 44.5s Time] [2024-11-08 17:15:05,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9301 states. [2024-11-08 17:15:06,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9301 to 8244. [2024-11-08 17:15:06,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8244 states, 5892 states have (on average 1.3109300746775288) internal successors, (7724), 5985 states have internal predecessors, (7724), 1871 states have call successors, (1871), 481 states have call predecessors, (1871), 480 states have return successors, (1864), 1819 states have call predecessors, (1864), 1864 states have call successors, (1864) [2024-11-08 17:15:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8244 states to 8244 states and 11459 transitions. [2024-11-08 17:15:06,323 INFO L78 Accepts]: Start accepts. Automaton has 8244 states and 11459 transitions. Word has length 89 [2024-11-08 17:15:06,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:15:06,326 INFO L471 AbstractCegarLoop]: Abstraction has 8244 states and 11459 transitions. [2024-11-08 17:15:06,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-08 17:15:06,327 INFO L276 IsEmpty]: Start isEmpty. Operand 8244 states and 11459 transitions. [2024-11-08 17:15:06,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 17:15:06,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:15:06,333 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:15:06,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:15:06,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:15:06,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:15:06,334 INFO L85 PathProgramCache]: Analyzing trace with hash 529002890, now seen corresponding path program 1 times [2024-11-08 17:15:06,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:15:06,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411271502] [2024-11-08 17:15:06,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:15:06,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:15:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:15,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:15:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:15,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:15:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:15,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 17:15:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:15,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:15:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:15,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:15:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:15,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:15:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:15:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 17:15:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:15,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:15:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:15,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:15:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:15,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:15:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:15:15,734 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:15:15,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:15:15,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411271502] [2024-11-08 17:15:15,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411271502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:15:15,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:15:15,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:15:15,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641699210] [2024-11-08 17:15:15,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:15:15,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:15:15,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:15:15,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:15:15,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:15:15,740 INFO L87 Difference]: Start difference. First operand 8244 states and 11459 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:15:19,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:15:24,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:15:37,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:16:06,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:16:06,084 INFO L93 Difference]: Finished difference Result 27909 states and 40938 transitions. [2024-11-08 17:16:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:16:06,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 92 [2024-11-08 17:16:06,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:16:06,284 INFO L225 Difference]: With dead ends: 27909 [2024-11-08 17:16:06,285 INFO L226 Difference]: Without dead ends: 19686 [2024-11-08 17:16:06,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:16:06,375 INFO L432 NwaCegarLoop]: 2620 mSDtfsCounter, 4856 mSDsluCounter, 5275 mSDsCounter, 0 mSdLazyCounter, 2839 mSolverCounterSat, 1688 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5232 SdHoareTripleChecker+Valid, 7895 SdHoareTripleChecker+Invalid, 4530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1688 IncrementalHoareTripleChecker+Valid, 2839 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:16:06,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5232 Valid, 7895 Invalid, 4530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1688 Valid, 2839 Invalid, 3 Unknown, 0 Unchecked, 49.1s Time] [2024-11-08 17:16:06,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19686 states. [2024-11-08 17:16:07,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19686 to 17698. [2024-11-08 17:16:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17698 states, 12702 states have (on average 1.3072744449692961) internal successors, (16605), 12882 states have internal predecessors, (16605), 3903 states have call successors, (3903), 961 states have call predecessors, (3903), 1092 states have return successors, (4858), 3946 states have call predecessors, (4858), 3896 states have call successors, (4858) [2024-11-08 17:16:07,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17698 states to 17698 states and 25366 transitions. [2024-11-08 17:16:07,938 INFO L78 Accepts]: Start accepts. Automaton has 17698 states and 25366 transitions. Word has length 92 [2024-11-08 17:16:07,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:16:07,940 INFO L471 AbstractCegarLoop]: Abstraction has 17698 states and 25366 transitions. [2024-11-08 17:16:07,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:16:07,941 INFO L276 IsEmpty]: Start isEmpty. Operand 17698 states and 25366 transitions. [2024-11-08 17:16:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 17:16:07,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:16:07,955 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:16:07,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:16:07,956 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:16:07,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:16:07,956 INFO L85 PathProgramCache]: Analyzing trace with hash -781717052, now seen corresponding path program 1 times [2024-11-08 17:16:07,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:16:07,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134370295] [2024-11-08 17:16:07,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:16:07,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:16:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:15,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:16:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:15,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:16:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:15,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 17:16:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:15,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:16:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:15,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:16:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:15,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:16:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:15,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:16:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:15,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 17:16:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:16,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:16:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:16,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:16:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:16,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:16:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:16:16,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:16:16,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134370295] [2024-11-08 17:16:16,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134370295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:16:16,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:16:16,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:16:16,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34242763] [2024-11-08 17:16:16,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:16:16,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:16:16,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:16:16,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:16:16,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:16:16,109 INFO L87 Difference]: Start difference. First operand 17698 states and 25366 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:16:20,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:16:24,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:16:39,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:17:10,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:17:10,117 INFO L93 Difference]: Finished difference Result 56971 states and 86595 transitions. [2024-11-08 17:17:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:17:10,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2024-11-08 17:17:10,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:17:10,454 INFO L225 Difference]: With dead ends: 56971 [2024-11-08 17:17:10,454 INFO L226 Difference]: Without dead ends: 39294 [2024-11-08 17:17:10,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:17:10,620 INFO L432 NwaCegarLoop]: 2623 mSDtfsCounter, 4839 mSDsluCounter, 5274 mSDsCounter, 0 mSdLazyCounter, 2836 mSolverCounterSat, 1669 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5223 SdHoareTripleChecker+Valid, 7897 SdHoareTripleChecker+Invalid, 4508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1669 IncrementalHoareTripleChecker+Valid, 2836 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:17:10,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5223 Valid, 7897 Invalid, 4508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1669 Valid, 2836 Invalid, 3 Unknown, 0 Unchecked, 51.7s Time] [2024-11-08 17:17:10,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39294 states. [2024-11-08 17:17:13,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39294 to 35799. [2024-11-08 17:17:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35799 states, 25691 states have (on average 1.3046202950449575) internal successors, (33517), 26037 states have internal predecessors, (33517), 7863 states have call successors, (7863), 1921 states have call predecessors, (7863), 2244 states have return successors, (11350), 8024 states have call predecessors, (11350), 7856 states have call successors, (11350) [2024-11-08 17:17:13,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35799 states to 35799 states and 52730 transitions. [2024-11-08 17:17:13,479 INFO L78 Accepts]: Start accepts. Automaton has 35799 states and 52730 transitions. Word has length 93 [2024-11-08 17:17:13,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:17:13,480 INFO L471 AbstractCegarLoop]: Abstraction has 35799 states and 52730 transitions. [2024-11-08 17:17:13,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:17:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 35799 states and 52730 transitions. [2024-11-08 17:17:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 17:17:13,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:17:13,488 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:17:13,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:17:13,488 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:17:13,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:17:13,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2138135509, now seen corresponding path program 1 times [2024-11-08 17:17:13,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:17:13,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597446646] [2024-11-08 17:17:13,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:17:13,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:17:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:20,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:17:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:20,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:17:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:20,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 17:17:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:20,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:17:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:20,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:17:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:20,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:17:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:20,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:17:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:20,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 17:17:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:21,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:17:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:21,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:17:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:17:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:17:21,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:17:21,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597446646] [2024-11-08 17:17:21,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597446646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:17:21,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:17:21,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:17:21,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225820198] [2024-11-08 17:17:21,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:17:21,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:17:21,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:17:21,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:17:21,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:17:21,034 INFO L87 Difference]: Start difference. First operand 35799 states and 52730 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-08 17:17:25,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:17:29,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:17:39,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:18:06,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:18:41,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:18:41,219 INFO L93 Difference]: Finished difference Result 134959 states and 214562 transitions. [2024-11-08 17:18:41,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:18:41,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 96 [2024-11-08 17:18:41,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:18:42,387 INFO L225 Difference]: With dead ends: 134959 [2024-11-08 17:18:42,387 INFO L226 Difference]: Without dead ends: 99181 [2024-11-08 17:18:42,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:18:42,628 INFO L432 NwaCegarLoop]: 2316 mSDtfsCounter, 7786 mSDsluCounter, 4521 mSDsCounter, 0 mSdLazyCounter, 4092 mSolverCounterSat, 4300 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8321 SdHoareTripleChecker+Valid, 6837 SdHoareTripleChecker+Invalid, 8396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4300 IncrementalHoareTripleChecker+Valid, 4092 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:18:42,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8321 Valid, 6837 Invalid, 8396 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4300 Valid, 4092 Invalid, 4 Unknown, 0 Unchecked, 74.6s Time] [2024-11-08 17:18:42,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99181 states. [2024-11-08 17:18:48,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99181 to 90951. [2024-11-08 17:18:48,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90951 states, 65223 states have (on average 1.2921975376784263) internal successors, (84281), 65649 states have internal predecessors, (84281), 19907 states have call successors, (19907), 3777 states have call predecessors, (19907), 5820 states have return successors, (40668), 21972 states have call predecessors, (40668), 19900 states have call successors, (40668) [2024-11-08 17:18:49,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90951 states to 90951 states and 144856 transitions. [2024-11-08 17:18:50,046 INFO L78 Accepts]: Start accepts. Automaton has 90951 states and 144856 transitions. Word has length 96 [2024-11-08 17:18:50,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:18:50,048 INFO L471 AbstractCegarLoop]: Abstraction has 90951 states and 144856 transitions. [2024-11-08 17:18:50,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-08 17:18:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 90951 states and 144856 transitions. [2024-11-08 17:18:50,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 17:18:50,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:18:50,051 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:18:50,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:18:50,052 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:18:50,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:18:50,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1535642573, now seen corresponding path program 1 times [2024-11-08 17:18:50,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:18:50,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593336241] [2024-11-08 17:18:50,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:18:50,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:18:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:56,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:18:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:56,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:18:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:56,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 17:18:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:56,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:18:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:56,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:18:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:56,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:18:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:56,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:18:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:56,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 17:18:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:56,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:18:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:56,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:18:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:56,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:18:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:18:56,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:18:56,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593336241] [2024-11-08 17:18:56,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593336241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:18:56,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:18:56,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:18:56,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107261820] [2024-11-08 17:18:56,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:18:56,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:18:56,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:18:56,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:18:56,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:18:56,734 INFO L87 Difference]: Start difference. First operand 90951 states and 144856 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:19:00,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:19:05,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:19:13,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:19:51,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:19:51,396 INFO L93 Difference]: Finished difference Result 98372 states and 159932 transitions. [2024-11-08 17:19:51,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:19:51,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2024-11-08 17:19:51,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:19:52,189 INFO L225 Difference]: With dead ends: 98372 [2024-11-08 17:19:52,189 INFO L226 Difference]: Without dead ends: 98369 [2024-11-08 17:19:52,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:19:52,261 INFO L432 NwaCegarLoop]: 2639 mSDtfsCounter, 4815 mSDsluCounter, 5267 mSDsCounter, 0 mSdLazyCounter, 2831 mSolverCounterSat, 1663 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5201 SdHoareTripleChecker+Valid, 7906 SdHoareTripleChecker+Invalid, 4497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1663 IncrementalHoareTripleChecker+Valid, 2831 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:19:52,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5201 Valid, 7906 Invalid, 4497 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1663 Valid, 2831 Invalid, 3 Unknown, 0 Unchecked, 50.1s Time] [2024-11-08 17:19:52,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98369 states. [2024-11-08 17:19:57,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98369 to 90952. [2024-11-08 17:19:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90952 states, 65224 states have (on average 1.292193057770146) internal successors, (84282), 65650 states have internal predecessors, (84282), 19907 states have call successors, (19907), 3777 states have call predecessors, (19907), 5820 states have return successors, (40668), 21972 states have call predecessors, (40668), 19900 states have call successors, (40668) [2024-11-08 17:19:58,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90952 states to 90952 states and 144857 transitions. [2024-11-08 17:19:58,994 INFO L78 Accepts]: Start accepts. Automaton has 90952 states and 144857 transitions. Word has length 94 [2024-11-08 17:19:58,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:19:58,994 INFO L471 AbstractCegarLoop]: Abstraction has 90952 states and 144857 transitions. [2024-11-08 17:19:58,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:19:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 90952 states and 144857 transitions. [2024-11-08 17:19:58,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 17:19:58,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:19:58,998 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:19:58,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:19:58,999 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:19:58,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:19:58,999 INFO L85 PathProgramCache]: Analyzing trace with hash 359351783, now seen corresponding path program 1 times [2024-11-08 17:19:58,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:19:59,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019139826] [2024-11-08 17:19:59,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:19:59,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:20:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:05,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:20:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:05,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 17:20:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:05,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 17:20:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:05,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 17:20:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:05,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:20:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:05,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:20:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:05,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:20:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:05,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 17:20:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:05,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:20:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:05,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:20:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:05,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:20:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:06,009 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:20:06,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:20:06,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019139826] [2024-11-08 17:20:06,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019139826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:20:06,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:20:06,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:20:06,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545642040] [2024-11-08 17:20:06,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:20:06,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:20:06,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:20:06,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:20:06,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:20:06,013 INFO L87 Difference]: Start difference. First operand 90952 states and 144857 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:20:10,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:20:14,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:20:29,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:21:15,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:15,583 INFO L93 Difference]: Finished difference Result 227651 states and 371764 transitions. [2024-11-08 17:21:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:21:15,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 95 [2024-11-08 17:21:15,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:16,746 INFO L225 Difference]: With dead ends: 227651 [2024-11-08 17:21:16,746 INFO L226 Difference]: Without dead ends: 136720 [2024-11-08 17:21:17,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:21:17,661 INFO L432 NwaCegarLoop]: 3768 mSDtfsCounter, 4083 mSDsluCounter, 6457 mSDsCounter, 0 mSdLazyCounter, 3860 mSolverCounterSat, 1259 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4463 SdHoareTripleChecker+Valid, 10225 SdHoareTripleChecker+Invalid, 5122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1259 IncrementalHoareTripleChecker+Valid, 3860 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:17,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4463 Valid, 10225 Invalid, 5122 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1259 Valid, 3860 Invalid, 3 Unknown, 0 Unchecked, 61.5s Time] [2024-11-08 17:21:17,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136720 states. [2024-11-08 17:21:24,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136720 to 124874. [2024-11-08 17:21:24,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124874 states, 89559 states have (on average 1.2954811911700668) internal successors, (116022), 90362 states have internal predecessors, (116022), 27345 states have call successors, (27345), 5639 states have call predecessors, (27345), 7969 states have return successors, (54684), 29488 states have call predecessors, (54684), 27334 states have call successors, (54684) [2024-11-08 17:21:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124874 states to 124874 states and 198051 transitions. [2024-11-08 17:21:26,051 INFO L78 Accepts]: Start accepts. Automaton has 124874 states and 198051 transitions. Word has length 95 [2024-11-08 17:21:26,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:26,051 INFO L471 AbstractCegarLoop]: Abstraction has 124874 states and 198051 transitions. [2024-11-08 17:21:26,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:21:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 124874 states and 198051 transitions. [2024-11-08 17:21:26,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 17:21:26,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:26,056 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:26,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:21:26,057 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:26,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:26,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1745919472, now seen corresponding path program 1 times [2024-11-08 17:21:26,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:21:26,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060032563] [2024-11-08 17:21:26,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:26,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms