./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.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_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/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_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/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_05a64160-7880-4a20-987b-e2c5244d75da/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 ed28fe99994604a1173e3d4f71ab5b1542eccb5293571b04f5dd99c12a84c046 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:12:03,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:12:03,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-08 17:12:03,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:12:03,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:12:04,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:12:04,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:12:04,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:12:04,024 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:12:04,025 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:12:04,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:12:04,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:12:04,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:12:04,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:12:04,029 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:12:04,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:12:04,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:12:04,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:12:04,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:12:04,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:12:04,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:12:04,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:12:04,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:12:04,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:12:04,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:12:04,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:12:04,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:12:04,039 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:12:04,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:12:04,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:12:04,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:12:04,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:12:04,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:12:04,042 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:12:04,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:12:04,043 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:12:04,043 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:12:04,043 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:12:04,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:12:04,044 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_05a64160-7880-4a20-987b-e2c5244d75da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed28fe99994604a1173e3d4f71ab5b1542eccb5293571b04f5dd99c12a84c046 [2024-11-08 17:12:04,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:12:04,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:12:04,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:12:04,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:12:04,361 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:12:04,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-08 17:12:06,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:12:06,918 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:12:06,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2024-11-08 17:12:06,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/data/525f592e5/0fa5ff4a64e4456ba11b3b97db122aa5/FLAGcc50cc11b [2024-11-08 17:12:07,365 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/data/525f592e5/0fa5ff4a64e4456ba11b3b97db122aa5 [2024-11-08 17:12:07,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:12:07,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:12:07,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:12:07,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:12:07,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:12:07,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:12:07" (1/1) ... [2024-11-08 17:12:07,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9cdfd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:07, skipping insertion in model container [2024-11-08 17:12:07,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:12:07" (1/1) ... [2024-11-08 17:12:07,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:12:09,585 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_05a64160-7880-4a20-987b-e2c5244d75da/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i[275280,275293] [2024-11-08 17:12:09,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:12:09,702 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:12:09,884 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"); [6231] [2024-11-08 17:12:09,886 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)); [6238] [2024-11-08 17:12:09,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6251] [2024-11-08 17:12:09,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [6371] [2024-11-08 17:12:09,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6424] [2024-11-08 17:12:09,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6431] [2024-11-08 17:12:09,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6570-6571] [2024-11-08 17:12:09,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6599-6600] [2024-11-08 17:12:09,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [6629-6630] [2024-11-08 17:12:09,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (120), "i" (12UL)); [6659-6660] [2024-11-08 17:12:09,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6965] [2024-11-08 17:12:09,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6976] [2024-11-08 17:12:09,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6987] [2024-11-08 17:12:09,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7204] [2024-11-08 17:12:09,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7207] [2024-11-08 17:12:09,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7268] [2024-11-08 17:12:09,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7271] [2024-11-08 17:12:09,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7274] [2024-11-08 17:12:09,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7295] [2024-11-08 17:12:09,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7300] [2024-11-08 17:12:09,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7303] [2024-11-08 17:12:09,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7313] [2024-11-08 17:12:09,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7354] [2024-11-08 17:12:09,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7359] [2024-11-08 17:12:09,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7366] [2024-11-08 17:12:09,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7375] [2024-11-08 17:12:09,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7400] [2024-11-08 17:12:09,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7466] [2024-11-08 17:12:09,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7527] [2024-11-08 17:12:09,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7530] [2024-11-08 17:12:09,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7562] [2024-11-08 17:12:09,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7633] [2024-11-08 17:12:10,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7651] [2024-11-08 17:12:10,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7657] [2024-11-08 17:12:10,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7674] [2024-11-08 17:12:10,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7684] [2024-11-08 17:12:10,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7690] [2024-11-08 17:12:10,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7696] [2024-11-08 17:12:10,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7702] [2024-11-08 17:12:10,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7741] [2024-11-08 17:12:10,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7747] [2024-11-08 17:12:10,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7753] [2024-11-08 17:12:10,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7771] [2024-11-08 17:12:10,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7852] [2024-11-08 17:12:10,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7918] [2024-11-08 17:12:10,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7936] [2024-11-08 17:12:10,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8018] [2024-11-08 17:12:10,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8080] [2024-11-08 17:12:10,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8345] [2024-11-08 17:12:10,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8404] [2024-11-08 17:12:10,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8406] [2024-11-08 17:12:10,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8414] [2024-11-08 17:12:10,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8451] [2024-11-08 17:12:10,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8453] [2024-11-08 17:12:10,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8470] [2024-11-08 17:12:10,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8605] [2024-11-08 17:12:10,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8608] [2024-11-08 17:12:10,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8611] [2024-11-08 17:12:10,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8614] [2024-11-08 17:12:10,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [8617] [2024-11-08 17:12:10,145 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_05a64160-7880-4a20-987b-e2c5244d75da/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i[275280,275293] [2024-11-08 17:12:10,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:12:10,265 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:12:10,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10 WrapperNode [2024-11-08 17:12:10,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:12:10,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:12:10,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:12:10,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:12:10,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10" (1/1) ... [2024-11-08 17:12:10,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10" (1/1) ... [2024-11-08 17:12:10,568 INFO L138 Inliner]: procedures = 223, calls = 1333, calls flagged for inlining = 123, calls inlined = 120, statements flattened = 4267 [2024-11-08 17:12:10,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:12:10,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:12:10,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:12:10,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:12:10,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10" (1/1) ... [2024-11-08 17:12:10,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10" (1/1) ... [2024-11-08 17:12:10,621 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10" (1/1) ... [2024-11-08 17:12:11,325 INFO L175 MemorySlicer]: Split 625 memory accesses to 10 slices as follows [455, 2, 89, 8, 8, 6, 5, 4, 43, 5]. 73 percent of accesses are in the largest equivalence class. The 46 initializations are split as follows [8, 2, 20, 8, 8, 0, 0, 0, 0, 0]. The 306 writes are split as follows [189, 0, 69, 0, 0, 1, 0, 1, 43, 3]. [2024-11-08 17:12:11,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10" (1/1) ... [2024-11-08 17:12:11,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10" (1/1) ... [2024-11-08 17:12:11,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10" (1/1) ... [2024-11-08 17:12:11,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10" (1/1) ... [2024-11-08 17:12:11,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10" (1/1) ... [2024-11-08 17:12:11,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10" (1/1) ... [2024-11-08 17:12:11,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:12:11,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:12:11,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:12:11,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:12:11,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10" (1/1) ... [2024-11-08 17:12:11,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:12:11,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:12:11,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:12:11,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:12:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-08 17:12:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-08 17:12:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-08 17:12:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-08 17:12:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-08 17:12:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-08 17:12:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-08 17:12:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-08 17:12:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-08 17:12:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-08 17:12:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-08 17:12:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-08 17:12:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-11-08 17:12:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-11-08 17:12:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-08 17:12:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-08 17:12:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-08 17:12:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-08 17:12:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-08 17:12:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-08 17:12:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-08 17:12:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-08 17:12:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-08 17:12:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-08 17:12:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-08 17:12:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-08 17:12:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-08 17:12:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-08 17:12:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-08 17:12:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-08 17:12:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-08 17:12:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-08 17:12:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-08 17:12:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-08 17:12:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-08 17:12:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-08 17:12:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-08 17:12:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-08 17:12:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-08 17:12:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-08 17:12:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-08 17:12:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-08 17:12:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-08 17:12:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-08 17:12:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-08 17:12:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-08 17:12:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-08 17:12:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-08 17:12:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-08 17:12:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-08 17:12:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-08 17:12:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-08 17:12:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-08 17:12:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-08 17:12:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-08 17:12:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-08 17:12:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-08 17:12:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-08 17:12:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-08 17:12:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-08 17:12:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-08 17:12:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-08 17:12:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:12:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:12:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-08 17:12:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-08 17:12:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-08 17:12:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-08 17:12:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2024-11-08 17:12:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2024-11-08 17:12:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-08 17:12:11,676 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-08 17:12:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-08 17:12:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-08 17:12:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 17:12:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure rr_ioctl [2024-11-08 17:12:11,677 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_ioctl [2024-11-08 17:12:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-08 17:12:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-08 17:12:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-08 17:12:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-08 17:12:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-08 17:12:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-08 17:12:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-08 17:12:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-08 17:12:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-08 17:12:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-08 17:12:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-08 17:12:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-08 17:12:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-08 17:12:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-08 17:12:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-08 17:12:11,679 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-08 17:12:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-08 17:12:11,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-08 17:12:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 17:12:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-08 17:12:11,682 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-08 17:12:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-11-08 17:12:11,682 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-11-08 17:12:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-08 17:12:11,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-08 17:12:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-08 17:12:11,683 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-08 17:12:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2024-11-08 17:12:11,683 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2024-11-08 17:12:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-08 17:12:11,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-08 17:12:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-08 17:12:11,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-08 17:12:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2024-11-08 17:12:11,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2024-11-08 17:12:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_mac_addr [2024-11-08 17:12:11,685 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_mac_addr [2024-11-08 17:12:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-08 17:12:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-08 17:12:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-08 17:12:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-08 17:12:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-08 17:12:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-08 17:12:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-08 17:12:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-08 17:12:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-08 17:12:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-08 17:12:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-08 17:12:11,687 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-08 17:12:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2024-11-08 17:12:11,687 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2024-11-08 17:12:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-08 17:12:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-08 17:12:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-08 17:12:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-08 17:12:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-08 17:12:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-08 17:12:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-08 17:12:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-08 17:12:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-08 17:12:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-08 17:12:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 17:12:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 17:12:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 17:12:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 17:12:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 17:12:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 17:12:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 17:12:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 17:12:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 17:12:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 17:12:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-08 17:12:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-08 17:12:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-08 17:12:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-08 17:12:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-08 17:12:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-08 17:12:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-08 17:12:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-08 17:12:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-08 17:12:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-08 17:12:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-08 17:12:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-08 17:12:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-08 17:12:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-08 17:12:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-08 17:12:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-08 17:12:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-08 17:12:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-08 17:12:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-08 17:12:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-08 17:12:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-08 17:12:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-08 17:12:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-08 17:12:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-08 17:12:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-08 17:12:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-08 17:12:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_change_mtu [2024-11-08 17:12:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_change_mtu [2024-11-08 17:12:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-08 17:12:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-08 17:12:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-08 17:12:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-08 17:12:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 17:12:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 17:12:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 17:12:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 17:12:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 17:12:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 17:12:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 17:12:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 17:12:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 17:12:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 17:12:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-08 17:12:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-08 17:12:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-08 17:12:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-08 17:12:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 17:12:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-08 17:12:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-08 17:12:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:12:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-08 17:12:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-08 17:12:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 17:12:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 17:12:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 17:12:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 17:12:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-08 17:12:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-08 17:12:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-08 17:12:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-08 17:12:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-08 17:12:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-08 17:12:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-08 17:12:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-08 17:12:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-08 17:12:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-08 17:12:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2024-11-08 17:12:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2024-11-08 17:12:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-08 17:12:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-08 17:12:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-08 17:12:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-08 17:12:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-08 17:12:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-08 17:12:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-08 17:12:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-08 17:12:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-08 17:12:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-08 17:12:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:12:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:12:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 17:12:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 17:12:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 17:12:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 17:12:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 17:12:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 17:12:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 17:12:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 17:12:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:12:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:12:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2024-11-08 17:12:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2024-11-08 17:12:12,547 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:12:12,558 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:12:12,762 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-08 17:12:22,608 INFO L? ?]: Removed 1835 outVars from TransFormulas that were not future-live. [2024-11-08 17:12:22,609 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:12:22,664 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:12:22,668 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:12:22,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:12:22 BoogieIcfgContainer [2024-11-08 17:12:22,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:12:22,672 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:12:22,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:12:22,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:12:22,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:12:07" (1/3) ... [2024-11-08 17:12:22,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eaec750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:12:22, skipping insertion in model container [2024-11-08 17:12:22,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:12:10" (2/3) ... [2024-11-08 17:12:22,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eaec750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:12:22, skipping insertion in model container [2024-11-08 17:12:22,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:12:22" (3/3) ... [2024-11-08 17:12:22,681 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2024-11-08 17:12:22,700 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:12:22,700 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:12:22,894 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:12:22,902 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;@5a0a500, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:12:22,902 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:12:22,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 1447 states, 960 states have (on average 1.309375) internal successors, (1257), 985 states have internal predecessors, (1257), 431 states have call successors, (431), 55 states have call predecessors, (431), 54 states have return successors, (425), 415 states have call predecessors, (425), 425 states have call successors, (425) [2024-11-08 17:12:22,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 17:12:22,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:12:22,938 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:12:22,939 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:12:22,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:12:22,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1039391403, now seen corresponding path program 1 times [2024-11-08 17:12:22,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:12:22,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357433068] [2024-11-08 17:12:22,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:12:22,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:12:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:12:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:12:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:12:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:12:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:12:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:12:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:12:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:12:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:12:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:12:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:12:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:12:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:12:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:12:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:12:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:12:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:12:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:12:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-08 17:12:29,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:12:29,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357433068] [2024-11-08 17:12:29,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357433068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:12:29,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:12:29,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:12:29,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530465252] [2024-11-08 17:12:29,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:12:29,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:12:29,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:12:30,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:12:30,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:12:30,060 INFO L87 Difference]: Start difference. First operand has 1447 states, 960 states have (on average 1.309375) internal successors, (1257), 985 states have internal predecessors, (1257), 431 states have call successors, (431), 55 states have call predecessors, (431), 54 states have return successors, (425), 415 states have call predecessors, (425), 425 states have call successors, (425) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:12:34,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:12:38,412 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 17:13:11,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:13:11,726 INFO L93 Difference]: Finished difference Result 3321 states and 4991 transitions. [2024-11-08 17:13:11,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:13:11,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 120 [2024-11-08 17:13:11,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:13:11,764 INFO L225 Difference]: With dead ends: 3321 [2024-11-08 17:13:11,765 INFO L226 Difference]: Without dead ends: 1856 [2024-11-08 17:13:11,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:13:11,784 INFO L432 NwaCegarLoop]: 796 mSDtfsCounter, 1897 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 3532 mSolverCounterSat, 1198 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2105 SdHoareTripleChecker+Valid, 2128 SdHoareTripleChecker+Invalid, 4732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1198 IncrementalHoareTripleChecker+Valid, 3532 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:13:11,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2105 Valid, 2128 Invalid, 4732 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1198 Valid, 3532 Invalid, 2 Unknown, 0 Unchecked, 41.0s Time] [2024-11-08 17:13:11,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2024-11-08 17:13:12,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1424. [2024-11-08 17:13:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1424 states, 946 states have (on average 1.2801268498942917) internal successors, (1211), 963 states have internal predecessors, (1211), 424 states have call successors, (424), 54 states have call predecessors, (424), 53 states have return successors, (423), 413 states have call predecessors, (423), 423 states have call successors, (423) [2024-11-08 17:13:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 2058 transitions. [2024-11-08 17:13:12,033 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 2058 transitions. Word has length 120 [2024-11-08 17:13:12,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:13:12,035 INFO L471 AbstractCegarLoop]: Abstraction has 1424 states and 2058 transitions. [2024-11-08 17:13:12,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:13:12,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2058 transitions. [2024-11-08 17:13:12,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 17:13:12,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:13:12,047 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:13:12,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:13:12,047 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:13:12,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:13:12,052 INFO L85 PathProgramCache]: Analyzing trace with hash 496919873, now seen corresponding path program 1 times [2024-11-08 17:13:12,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:13:12,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728826303] [2024-11-08 17:13:12,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:13:12,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:13:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:17,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:13:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:13:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:13:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:13:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:13:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:13:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:13:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:13:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:13:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:13:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:13:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:13:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:13:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:13:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:13:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:13:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:13:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:13:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:13:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-08 17:13:18,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:13:18,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728826303] [2024-11-08 17:13:18,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728826303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:13:18,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:13:18,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:13:18,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532649911] [2024-11-08 17:13:18,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:13:18,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:13:18,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:13:18,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:13:18,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:13:18,378 INFO L87 Difference]: Start difference. First operand 1424 states and 2058 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:13:22,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:13:26,717 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 17:14:18,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:14:18,639 INFO L93 Difference]: Finished difference Result 4510 states and 6622 transitions. [2024-11-08 17:14:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:14:18,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 119 [2024-11-08 17:14:18,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:14:18,662 INFO L225 Difference]: With dead ends: 4510 [2024-11-08 17:14:18,663 INFO L226 Difference]: Without dead ends: 3110 [2024-11-08 17:14:18,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:14:18,672 INFO L432 NwaCegarLoop]: 777 mSDtfsCounter, 4244 mSDsluCounter, 1834 mSDsCounter, 0 mSdLazyCounter, 5174 mSolverCounterSat, 2888 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4527 SdHoareTripleChecker+Valid, 2611 SdHoareTripleChecker+Invalid, 8064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2888 IncrementalHoareTripleChecker+Valid, 5174 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:14:18,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4527 Valid, 2611 Invalid, 8064 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2888 Valid, 5174 Invalid, 2 Unknown, 0 Unchecked, 59.0s Time] [2024-11-08 17:14:18,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3110 states. [2024-11-08 17:14:18,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3110 to 2367. [2024-11-08 17:14:18,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 1571 states have (on average 1.2775302355187779) internal successors, (2007), 1607 states have internal predecessors, (2007), 700 states have call successors, (700), 96 states have call predecessors, (700), 95 states have return successors, (699), 676 states have call predecessors, (699), 699 states have call successors, (699) [2024-11-08 17:14:18,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 3406 transitions. [2024-11-08 17:14:18,931 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 3406 transitions. Word has length 119 [2024-11-08 17:14:18,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:14:18,932 INFO L471 AbstractCegarLoop]: Abstraction has 2367 states and 3406 transitions. [2024-11-08 17:14:18,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 17:14:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 3406 transitions. [2024-11-08 17:14:18,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-08 17:14:18,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:14:18,938 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:14:18,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:14:18,939 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:14:18,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:14:18,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1814093090, now seen corresponding path program 1 times [2024-11-08 17:14:18,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:14:18,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472454382] [2024-11-08 17:14:18,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:14:18,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:14:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:24,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:14:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:24,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:14:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:24,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:14:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:24,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:14:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:24,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:14:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:24,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:14:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:24,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:14:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:24,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:14:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:24,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:14:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:24,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:14:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:24,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:14:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:24,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:14:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:25,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:14:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:25,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:14:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:25,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:14:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:25,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:14:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:25,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:14:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:25,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:14:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:25,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:14:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:25,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:14:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:25,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 17:14:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:14:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-08 17:14:25,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:14:25,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472454382] [2024-11-08 17:14:25,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472454382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:14:25,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:14:25,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:14:25,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714986292] [2024-11-08 17:14:25,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:14:25,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:14:25,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:14:25,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:14:25,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:14:25,282 INFO L87 Difference]: Start difference. First operand 2367 states and 3406 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 17:14:29,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:14:33,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:14:37,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:16:19,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:16:19,124 INFO L93 Difference]: Finished difference Result 8555 states and 12570 transitions. [2024-11-08 17:16:19,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 17:16:19,125 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 144 [2024-11-08 17:16:19,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:16:19,163 INFO L225 Difference]: With dead ends: 8555 [2024-11-08 17:16:19,164 INFO L226 Difference]: Without dead ends: 6212 [2024-11-08 17:16:19,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-11-08 17:16:19,176 INFO L432 NwaCegarLoop]: 776 mSDtfsCounter, 5810 mSDsluCounter, 3596 mSDsCounter, 0 mSdLazyCounter, 9246 mSolverCounterSat, 4702 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6184 SdHoareTripleChecker+Valid, 4372 SdHoareTripleChecker+Invalid, 13951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4702 IncrementalHoareTripleChecker+Valid, 9246 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 110.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:16:19,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6184 Valid, 4372 Invalid, 13951 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4702 Valid, 9246 Invalid, 3 Unknown, 0 Unchecked, 110.1s Time] [2024-11-08 17:16:19,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6212 states. [2024-11-08 17:16:19,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6212 to 4715. [2024-11-08 17:16:19,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4715 states, 3132 states have (on average 1.2768199233716475) internal successors, (3999), 3204 states have internal predecessors, (3999), 1392 states have call successors, (1392), 191 states have call predecessors, (1392), 190 states have return successors, (1391), 1345 states have call predecessors, (1391), 1391 states have call successors, (1391) [2024-11-08 17:16:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4715 states to 4715 states and 6782 transitions. [2024-11-08 17:16:19,633 INFO L78 Accepts]: Start accepts. Automaton has 4715 states and 6782 transitions. Word has length 144 [2024-11-08 17:16:19,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:16:19,634 INFO L471 AbstractCegarLoop]: Abstraction has 4715 states and 6782 transitions. [2024-11-08 17:16:19,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 17:16:19,634 INFO L276 IsEmpty]: Start isEmpty. Operand 4715 states and 6782 transitions. [2024-11-08 17:16:19,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 17:16:19,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:16:19,639 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:16:19,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:16:19,639 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:16:19,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:16:19,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1573791404, now seen corresponding path program 1 times [2024-11-08 17:16:19,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:16:19,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48891051] [2024-11-08 17:16:19,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:16:19,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:16:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:25,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:16:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:16:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:16:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:16:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:16:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:16:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:16:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:16:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:16:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:16:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:16:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:16:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:16:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:16:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:16:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:16:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:16:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:16:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:16:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:16:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 17:16:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-08 17:16:26,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:16:26,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48891051] [2024-11-08 17:16:26,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48891051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:16:26,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:16:26,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:16:26,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283160086] [2024-11-08 17:16:26,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:16:26,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:16:26,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:16:26,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:16:26,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:16:26,737 INFO L87 Difference]: Start difference. First operand 4715 states and 6782 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 17:16:30,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:16:35,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:16:39,389 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 17:18:14,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:18:14,499 INFO L93 Difference]: Finished difference Result 17098 states and 25100 transitions. [2024-11-08 17:18:14,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 17:18:14,500 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 145 [2024-11-08 17:18:14,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:18:14,594 INFO L225 Difference]: With dead ends: 17098 [2024-11-08 17:18:14,594 INFO L226 Difference]: Without dead ends: 12407 [2024-11-08 17:18:14,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-11-08 17:18:14,622 INFO L432 NwaCegarLoop]: 775 mSDtfsCounter, 6672 mSDsluCounter, 3183 mSDsCounter, 0 mSdLazyCounter, 8372 mSolverCounterSat, 5957 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7041 SdHoareTripleChecker+Valid, 3958 SdHoareTripleChecker+Invalid, 14332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5957 IncrementalHoareTripleChecker+Valid, 8372 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:18:14,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7041 Valid, 3958 Invalid, 14332 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5957 Valid, 8372 Invalid, 3 Unknown, 0 Unchecked, 103.6s Time] [2024-11-08 17:18:14,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12407 states. [2024-11-08 17:18:15,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12407 to 9422. [2024-11-08 17:18:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9422 states, 6263 states have (on average 1.2760657831710043) internal successors, (7992), 6407 states have internal predecessors, (7992), 2776 states have call successors, (2776), 383 states have call predecessors, (2776), 382 states have return successors, (2775), 2683 states have call predecessors, (2775), 2775 states have call successors, (2775) [2024-11-08 17:18:15,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9422 states to 9422 states and 13543 transitions. [2024-11-08 17:18:15,763 INFO L78 Accepts]: Start accepts. Automaton has 9422 states and 13543 transitions. Word has length 145 [2024-11-08 17:18:15,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:18:15,764 INFO L471 AbstractCegarLoop]: Abstraction has 9422 states and 13543 transitions. [2024-11-08 17:18:15,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 17:18:15,764 INFO L276 IsEmpty]: Start isEmpty. Operand 9422 states and 13543 transitions. [2024-11-08 17:18:15,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 17:18:15,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:18:15,768 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:18:15,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:18:15,768 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:18:15,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:18:15,769 INFO L85 PathProgramCache]: Analyzing trace with hash 362374203, now seen corresponding path program 1 times [2024-11-08 17:18:15,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:18:15,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019879057] [2024-11-08 17:18:15,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:18:15,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:18:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:18:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:18:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:18:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:18:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:18:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:18:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:18:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:18:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:18:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:18:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:18:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:18:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:18:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:18:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:18:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:18:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 17:18:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:21,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:18:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:22,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:18:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:22,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 17:18:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:22,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 17:18:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:18:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-08 17:18:22,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:18:22,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019879057] [2024-11-08 17:18:22,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019879057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:18:22,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:18:22,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:18:22,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466468785] [2024-11-08 17:18:22,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:18:22,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:18:22,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:18:22,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:18:22,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:18:22,127 INFO L87 Difference]: Start difference. First operand 9422 states and 13543 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 17:18:26,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:18:30,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:18:34,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:20:19,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:20:19,591 INFO L93 Difference]: Finished difference Result 34216 states and 50177 transitions. [2024-11-08 17:20:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 17:20:19,592 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 146 [2024-11-08 17:20:19,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:20:19,738 INFO L225 Difference]: With dead ends: 34216 [2024-11-08 17:20:19,738 INFO L226 Difference]: Without dead ends: 24818 [2024-11-08 17:20:19,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-11-08 17:20:19,789 INFO L432 NwaCegarLoop]: 774 mSDtfsCounter, 5810 mSDsluCounter, 3590 mSDsCounter, 0 mSdLazyCounter, 9265 mSolverCounterSat, 4684 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 109.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6181 SdHoareTripleChecker+Valid, 4364 SdHoareTripleChecker+Invalid, 13952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4684 IncrementalHoareTripleChecker+Valid, 9265 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 112.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:20:19,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6181 Valid, 4364 Invalid, 13952 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4684 Valid, 9265 Invalid, 3 Unknown, 0 Unchecked, 112.6s Time] [2024-11-08 17:20:19,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24818 states. [2024-11-08 17:20:21,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24818 to 18857. [2024-11-08 17:20:21,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18857 states, 12542 states have (on average 1.2752352096954234) internal successors, (15994), 12830 states have internal predecessors, (15994), 5544 states have call successors, (5544), 771 states have call predecessors, (5544), 770 states have return successors, (5543), 5359 states have call predecessors, (5543), 5543 states have call successors, (5543) [2024-11-08 17:20:21,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18857 states to 18857 states and 27081 transitions. [2024-11-08 17:20:21,795 INFO L78 Accepts]: Start accepts. Automaton has 18857 states and 27081 transitions. Word has length 146 [2024-11-08 17:20:21,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:20:21,796 INFO L471 AbstractCegarLoop]: Abstraction has 18857 states and 27081 transitions. [2024-11-08 17:20:21,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 17:20:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 18857 states and 27081 transitions. [2024-11-08 17:20:21,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 17:20:21,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:20:21,799 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:20:21,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:20:21,799 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:20:21,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:20:21,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1463993815, now seen corresponding path program 1 times [2024-11-08 17:20:21,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:20:21,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316710323] [2024-11-08 17:20:21,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:21,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:20:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:20:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:20:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:20:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:20:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:20:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:20:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:20:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:20:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:20:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:20:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:20:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:20:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:20:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:20:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:20:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:20:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:20:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:20:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 17:20:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 17:20:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 17:20:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,501 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-08 17:20:28,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:20:28,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316710323] [2024-11-08 17:20:28,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316710323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:20:28,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:20:28,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:20:28,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535858181] [2024-11-08 17:20:28,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:20:28,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:20:28,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:20:28,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:20:28,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:20:28,504 INFO L87 Difference]: Start difference. First operand 18857 states and 27081 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 17:20:32,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:20:36,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:20:41,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 17:22:51,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:22:51,094 INFO L93 Difference]: Finished difference Result 67381 states and 98647 transitions. [2024-11-08 17:22:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 17:22:51,095 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 143 [2024-11-08 17:22:51,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:22:51,318 INFO L225 Difference]: With dead ends: 67381 [2024-11-08 17:22:51,318 INFO L226 Difference]: Without dead ends: 48548 [2024-11-08 17:22:51,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2024-11-08 17:22:51,391 INFO L432 NwaCegarLoop]: 787 mSDtfsCounter, 4913 mSDsluCounter, 3652 mSDsCounter, 0 mSdLazyCounter, 12050 mSolverCounterSat, 3953 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 133.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5289 SdHoareTripleChecker+Valid, 4439 SdHoareTripleChecker+Invalid, 16006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3953 IncrementalHoareTripleChecker+Valid, 12050 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:22:51,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5289 Valid, 4439 Invalid, 16006 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3953 Valid, 12050 Invalid, 3 Unknown, 0 Unchecked, 136.6s Time] [2024-11-08 17:22:51,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48548 states. [2024-11-08 17:22:55,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48548 to 36927. [2024-11-08 17:22:55,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36927 states, 24516 states have (on average 1.2749224995921031) internal successors, (31256), 25104 states have internal predecessors, (31256), 10887 states have call successors, (10887), 1524 states have call predecessors, (10887), 1523 states have return successors, (10886), 10498 states have call predecessors, (10886), 10886 states have call successors, (10886) [2024-11-08 17:22:55,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36927 states to 36927 states and 53029 transitions. [2024-11-08 17:22:55,307 INFO L78 Accepts]: Start accepts. Automaton has 36927 states and 53029 transitions. Word has length 143 [2024-11-08 17:22:55,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:22:55,308 INFO L471 AbstractCegarLoop]: Abstraction has 36927 states and 53029 transitions. [2024-11-08 17:22:55,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 17:22:55,308 INFO L276 IsEmpty]: Start isEmpty. Operand 36927 states and 53029 transitions. [2024-11-08 17:22:55,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 17:22:55,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:22:55,313 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:22:55,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:22:55,313 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:22:55,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:22:55,314 INFO L85 PathProgramCache]: Analyzing trace with hash 601607261, now seen corresponding path program 1 times [2024-11-08 17:22:55,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:22:55,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283414386] [2024-11-08 17:22:55,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:22:55,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:23:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:01,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:23:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:01,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:01,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:23:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:01,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:23:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:01,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:01,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:23:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:01,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:23:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:01,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:01,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:23:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:01,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:23:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:01,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:01,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:23:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:02,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:23:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:02,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:02,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:23:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:02,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:02,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:23:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:02,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:23:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:02,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 17:23:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:02,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 17:23:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:02,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:23:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:02,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 17:23:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:02,935 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-08 17:23:02,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:23:02,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283414386] [2024-11-08 17:23:02,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283414386] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:23:02,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475684256] [2024-11-08 17:23:02,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:02,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:02,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:02,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:23:02,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:23:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:09,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:23:09,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:23:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-08 17:23:10,071 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:23:10,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475684256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:23:10,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:23:10,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 13 [2024-11-08 17:23:10,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855480848] [2024-11-08 17:23:10,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:23:10,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:23:10,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:23:10,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:23:10,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:23:10,074 INFO L87 Difference]: Start difference. First operand 36927 states and 53029 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 17:23:11,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:23:11,733 INFO L93 Difference]: Finished difference Result 36962 states and 53095 transitions. [2024-11-08 17:23:11,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:23:11,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 156 [2024-11-08 17:23:11,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:23:11,907 INFO L225 Difference]: With dead ends: 36962 [2024-11-08 17:23:11,907 INFO L226 Difference]: Without dead ends: 36959 [2024-11-08 17:23:11,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:23:11,926 INFO L432 NwaCegarLoop]: 2057 mSDtfsCounter, 0 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4109 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:23:11,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4109 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:23:11,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36959 states. [2024-11-08 17:23:14,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36959 to 36959. [2024-11-08 17:23:14,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36959 states, 24548 states have (on average 1.2745641192765196) internal successors, (31288), 25136 states have internal predecessors, (31288), 10887 states have call successors, (10887), 1524 states have call predecessors, (10887), 1523 states have return successors, (10886), 10498 states have call predecessors, (10886), 10886 states have call successors, (10886) [2024-11-08 17:23:14,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36959 states to 36959 states and 53061 transitions. [2024-11-08 17:23:14,424 INFO L78 Accepts]: Start accepts. Automaton has 36959 states and 53061 transitions. Word has length 156 [2024-11-08 17:23:14,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:23:14,425 INFO L471 AbstractCegarLoop]: Abstraction has 36959 states and 53061 transitions. [2024-11-08 17:23:14,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-08 17:23:14,426 INFO L276 IsEmpty]: Start isEmpty. Operand 36959 states and 53061 transitions. [2024-11-08 17:23:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 17:23:14,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:23:14,430 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:23:14,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:23:14,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-08 17:23:14,633 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:23:14,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:14,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2085641730, now seen corresponding path program 1 times [2024-11-08 17:23:14,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:23:14,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616730067] [2024-11-08 17:23:14,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:14,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:23:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:21,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:23:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:23:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:23:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:23:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:23:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:23:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:23:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:23:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:23:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:23:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:22,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 17:23:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:23,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 17:23:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:23,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 17:23:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:23,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 17:23:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:23,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 17:23:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:23,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 17:23:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-08 17:23:23,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:23:23,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616730067] [2024-11-08 17:23:23,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616730067] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:23:23,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060229144] [2024-11-08 17:23:23,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:23,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:23,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:23,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:23:23,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:23:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:29,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 3065 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 17:23:29,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:23:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-08 17:23:31,070 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:23:31,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060229144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:23:31,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:23:31,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-11-08 17:23:31,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244521493] [2024-11-08 17:23:31,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:23:31,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:23:31,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:23:31,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:23:31,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:23:31,074 INFO L87 Difference]: Start difference. First operand 36959 states and 53061 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:23:35,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:23:35,728 INFO L93 Difference]: Finished difference Result 92421 states and 132627 transitions. [2024-11-08 17:23:35,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:23:35,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 158 [2024-11-08 17:23:35,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:23:36,006 INFO L225 Difference]: With dead ends: 92421 [2024-11-08 17:23:36,007 INFO L226 Difference]: Without dead ends: 55486 [2024-11-08 17:23:36,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:23:36,159 INFO L432 NwaCegarLoop]: 2632 mSDtfsCounter, 2070 mSDsluCounter, 12545 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2074 SdHoareTripleChecker+Valid, 15177 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:23:36,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2074 Valid, 15177 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 17:23:36,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55486 states. [2024-11-08 17:23:39,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55486 to 55191. [2024-11-08 17:23:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55191 states, 36668 states have (on average 1.2749809097850988) internal successors, (46751), 37556 states have internal predecessors, (46751), 16230 states have call successors, (16230), 2277 states have call predecessors, (16230), 2292 states have return successors, (16269), 15653 states have call predecessors, (16269), 16229 states have call successors, (16269) [2024-11-08 17:23:40,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55191 states to 55191 states and 79250 transitions. [2024-11-08 17:23:40,043 INFO L78 Accepts]: Start accepts. Automaton has 55191 states and 79250 transitions. Word has length 158 [2024-11-08 17:23:40,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:23:40,044 INFO L471 AbstractCegarLoop]: Abstraction has 55191 states and 79250 transitions. [2024-11-08 17:23:40,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:23:40,044 INFO L276 IsEmpty]: Start isEmpty. Operand 55191 states and 79250 transitions. [2024-11-08 17:23:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-08 17:23:40,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:23:40,049 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:23:40,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 17:23:40,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-08 17:23:40,250 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:23:40,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:23:40,251 INFO L85 PathProgramCache]: Analyzing trace with hash 414362998, now seen corresponding path program 1 times [2024-11-08 17:23:40,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:23:40,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602766612] [2024-11-08 17:23:40,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:40,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:23:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:47,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:23:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:47,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:47,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:23:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:47,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:23:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:47,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:47,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:23:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:47,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:23:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:47,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:47,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:23:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:47,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:23:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:47,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:47,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:23:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:48,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:23:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:48,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:48,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:23:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:48,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:23:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:48,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:23:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:48,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:23:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:48,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 17:23:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:48,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 17:23:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:48,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-08 17:23:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:48,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-08 17:23:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:48,946 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-08 17:23:48,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:23:48,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602766612] [2024-11-08 17:23:48,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602766612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:23:48,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281795456] [2024-11-08 17:23:48,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:23:48,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:23:48,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:23:48,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:23:48,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:23:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:23:55,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 3067 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 17:23:55,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:23:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-08 17:23:56,757 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:23:56,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281795456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:23:56,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:23:56,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-11-08 17:23:56,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518433659] [2024-11-08 17:23:56,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:23:56,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:23:56,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:23:56,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:23:56,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:23:56,760 INFO L87 Difference]: Start difference. First operand 55191 states and 79250 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:24:02,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:24:02,230 INFO L93 Difference]: Finished difference Result 128991 states and 185097 transitions. [2024-11-08 17:24:02,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:24:02,231 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 159 [2024-11-08 17:24:02,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:24:02,591 INFO L225 Difference]: With dead ends: 128991 [2024-11-08 17:24:02,591 INFO L226 Difference]: Without dead ends: 73824 [2024-11-08 17:24:03,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2024-11-08 17:24:03,159 INFO L432 NwaCegarLoop]: 2655 mSDtfsCounter, 2070 mSDsluCounter, 12625 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2074 SdHoareTripleChecker+Valid, 15280 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:24:03,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2074 Valid, 15280 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 17:24:03,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73824 states. [2024-11-08 17:24:07,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73824 to 73487. [2024-11-08 17:24:08,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73487 states, 48828 states have (on average 1.2749651839108709) internal successors, (62254), 50048 states have internal predecessors, (62254), 21573 states have call successors, (21573), 3030 states have call predecessors, (21573), 3085 states have return successors, (21676), 20800 states have call predecessors, (21676), 21572 states have call successors, (21676) [2024-11-08 17:24:08,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73487 states to 73487 states and 105503 transitions. [2024-11-08 17:24:08,615 INFO L78 Accepts]: Start accepts. Automaton has 73487 states and 105503 transitions. Word has length 159 [2024-11-08 17:24:08,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:24:08,616 INFO L471 AbstractCegarLoop]: Abstraction has 73487 states and 105503 transitions. [2024-11-08 17:24:08,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 17:24:08,616 INFO L276 IsEmpty]: Start isEmpty. Operand 73487 states and 105503 transitions. [2024-11-08 17:24:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 17:24:08,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:24:08,622 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:08,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 17:24:08,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:08,823 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:24:08,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:08,824 INFO L85 PathProgramCache]: Analyzing trace with hash 83933083, now seen corresponding path program 1 times [2024-11-08 17:24:08,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:08,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911635752] [2024-11-08 17:24:08,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:08,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:15,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:24:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:15,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:24:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:15,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:24:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:15,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 17:24:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:15,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:24:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:15,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:24:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:15,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 17:24:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:15,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:24:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:15,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:24:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:15,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:24:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:15,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:24:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:15,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 17:24:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:16,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:24:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:16,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:24:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:16,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:24:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:16,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 17:24:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:16,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 17:24:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:16,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 17:24:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:16,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:24:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:17,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 17:24:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:17,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 17:24:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:17,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-08 17:24:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:17,118 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-08 17:24:17,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:24:17,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911635752] [2024-11-08 17:24:17,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911635752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:24:17,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773861981] [2024-11-08 17:24:17,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:17,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:17,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:17,121 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:24:17,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a64160-7880-4a20-987b-e2c5244d75da/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:24:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:24,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 3069 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 17:24:24,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:24:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-08 17:24:26,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:24:26,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773861981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:24:26,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:24:26,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2024-11-08 17:24:26,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712455635] [2024-11-08 17:24:26,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:24:26,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:24:26,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:24:26,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:24:26,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:24:26,199 INFO L87 Difference]: Start difference. First operand 73487 states and 105503 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15)