./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:36:03,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:36:03,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:36:03,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:36:03,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:36:03,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:36:03,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:36:03,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:36:03,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:36:03,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:36:03,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:36:03,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:36:03,156 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:36:03,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:36:03,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:36:03,158 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:36:03,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:36:03,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:36:03,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:36:03,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:36:03,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:36:03,162 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:36:03,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:36:03,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:36:03,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:36:03,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:36:03,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:36:03,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:36:03,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:36:03,167 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:36:03,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:36:03,168 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:36:03,168 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:36:03,169 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:36:03,169 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:36:03,170 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:36:03,170 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c097d45bf953c22cc618c35d7b4a2d8fd3613a03309b6d0b505b710dc0ccbe6f [2023-11-06 22:36:03,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:36:03,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:36:03,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:36:03,469 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:36:03,470 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:36:03,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-06 22:36:06,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:36:07,649 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:36:07,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-06 22:36:07,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP/data/20c1cf57c/18f8104442f745eaa87efe98985e3198/FLAG257bbf4d4 [2023-11-06 22:36:07,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP/data/20c1cf57c/18f8104442f745eaa87efe98985e3198 [2023-11-06 22:36:07,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:36:07,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:36:07,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:36:07,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:36:07,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:36:07,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:07" (1/1) ... [2023-11-06 22:36:07,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6d4687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:07, skipping insertion in model container [2023-11-06 22:36:07,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:07" (1/1) ... [2023-11-06 22:36:07,989 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:36:12,084 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2023-11-06 22:36:12,090 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2023-11-06 22:36:12,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:36:12,201 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:36:12,331 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"); [5296] [2023-11-06 22:36:12,333 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)); [5303] [2023-11-06 22:36:12,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5310] [2023-11-06 22:36:12,337 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5365-5366] [2023-11-06 22:36:12,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5371-5373] [2023-11-06 22:36:12,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5478] [2023-11-06 22:36:12,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5486] [2023-11-06 22:36:12,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5493] [2023-11-06 22:36:12,349 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)); [5606-5607] [2023-11-06 22:36:12,352 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)); [5640-5641] [2023-11-06 22:36:12,354 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" (79), "i" (12UL)); [5681-5682] [2023-11-06 22:36:12,356 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" (91), "i" (12UL)); [5710-5711] [2023-11-06 22:36:12,358 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" (103), "i" (12UL)); [5747-5748] [2023-11-06 22:36:12,360 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" (115), "i" (12UL)); [5784-5785] [2023-11-06 22:36:12,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6722] [2023-11-06 22:36:12,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7493] [2023-11-06 22:36:12,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7503] [2023-11-06 22:36:12,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7518] [2023-11-06 22:36:12,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8304] [2023-11-06 22:36:12,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8337] [2023-11-06 22:36:12,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8360] [2023-11-06 22:36:12,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8601] [2023-11-06 22:36:12,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8631] [2023-11-06 22:36:12,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8644] [2023-11-06 22:36:12,739 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348277,348290] [2023-11-06 22:36:12,740 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[348422,348435] [2023-11-06 22:36:12,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:36:13,001 WARN L672 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:36:13,001 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:36:13,010 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:36:13,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:13 WrapperNode [2023-11-06 22:36:13,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:36:13,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:36:13,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:36:13,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:36:13,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:13" (1/1) ... [2023-11-06 22:36:13,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:13" (1/1) ... [2023-11-06 22:36:13,550 INFO L138 Inliner]: procedures = 444, calls = 2249, calls flagged for inlining = 215, calls inlined = 200, statements flattened = 6178 [2023-11-06 22:36:13,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:36:13,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:36:13,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:36:13,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:36:13,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:13" (1/1) ... [2023-11-06 22:36:13,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:13" (1/1) ... [2023-11-06 22:36:13,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:13" (1/1) ... [2023-11-06 22:36:13,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:13" (1/1) ... [2023-11-06 22:36:13,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:13" (1/1) ... [2023-11-06 22:36:13,917 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:13" (1/1) ... [2023-11-06 22:36:13,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:13" (1/1) ... [2023-11-06 22:36:13,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:13" (1/1) ... [2023-11-06 22:36:14,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:36:14,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:36:14,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:36:14,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:36:14,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:13" (1/1) ... [2023-11-06 22:36:14,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:36:14,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:36:14,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:36:14,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92cc190-3fc2-4406-8081-85057543fde0/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:36:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-06 22:36:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-06 22:36:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-06 22:36:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-06 22:36:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-06 22:36:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-06 22:36:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-06 22:36:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:36:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:36:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-06 22:36:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-06 22:36:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-06 22:36:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-06 22:36:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-06 22:36:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-06 22:36:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-06 22:36:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-06 22:36:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-06 22:36:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-06 22:36:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:36:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:36:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-06 22:36:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-06 22:36:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2023-11-06 22:36:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2023-11-06 22:36:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-06 22:36:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-06 22:36:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-06 22:36:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-06 22:36:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-06 22:36:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-06 22:36:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-06 22:36:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-06 22:36:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-06 22:36:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-06 22:36:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-06 22:36:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-06 22:36:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-06 22:36:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-06 22:36:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 22:36:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-06 22:36:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-06 22:36:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-06 22:36:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-06 22:36:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-06 22:36:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-06 22:36:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-06 22:36:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-06 22:36:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-06 22:36:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-06 22:36:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 22:36:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 22:36:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:36:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-06 22:36:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-06 22:36:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-06 22:36:14,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-06 22:36:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 22:36:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 22:36:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:36:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 22:36:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 22:36:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:36:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-06 22:36:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-06 22:36:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:36:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-06 22:36:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-06 22:36:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-06 22:36:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-06 22:36:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-06 22:36:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-06 22:36:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-06 22:36:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-06 22:36:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-06 22:36:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-06 22:36:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-06 22:36:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-06 22:36:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-06 22:36:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-06 22:36:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-06 22:36:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-06 22:36:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:36:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-06 22:36:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-06 22:36:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-06 22:36:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-06 22:36:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-06 22:36:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-06 22:36:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-06 22:36:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-06 22:36:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:36:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-06 22:36:14,199 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-06 22:36:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 22:36:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 22:36:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 22:36:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 22:36:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:36:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:36:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:36:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:36:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:36:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-06 22:36:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-06 22:36:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-06 22:36:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-06 22:36:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-06 22:36:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-06 22:36:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-06 22:36:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-06 22:36:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 22:36:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 22:36:14,203 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-06 22:36:14,203 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-06 22:36:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-06 22:36:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-06 22:36:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-06 22:36:14,204 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-06 22:36:14,204 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-06 22:36:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-06 22:36:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:36:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:36:14,205 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-06 22:36:14,205 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-06 22:36:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-06 22:36:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-06 22:36:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:36:14,206 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-06 22:36:14,206 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-06 22:36:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:36:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:36:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:36:14,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-06 22:36:14,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-06 22:36:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-06 22:36:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-06 22:36:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-06 22:36:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-06 22:36:14,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-06 22:36:14,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-06 22:36:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:36:14,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:36:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-06 22:36:14,209 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-06 22:36:14,209 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-06 22:36:14,210 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-06 22:36:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-06 22:36:14,210 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-06 22:36:14,210 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-06 22:36:14,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-06 22:36:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:36:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:36:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-06 22:36:14,211 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-06 22:36:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2023-11-06 22:36:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2023-11-06 22:36:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:36:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:36:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:36:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-06 22:36:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-06 22:36:14,213 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-06 22:36:14,213 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-06 22:36:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-06 22:36:14,214 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-06 22:36:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-06 22:36:14,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-06 22:36:14,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-06 22:36:14,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-06 22:36:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-06 22:36:14,216 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-06 22:36:14,216 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-06 22:36:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-06 22:36:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-06 22:36:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-06 22:36:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-06 22:36:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-06 22:36:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-06 22:36:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-06 22:36:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:36:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:36:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:36:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-06 22:36:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-06 22:36:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-06 22:36:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-06 22:36:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-06 22:36:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-06 22:36:14,224 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-06 22:36:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-06 22:36:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-06 22:36:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-06 22:36:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:36:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-06 22:36:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-06 22:36:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-06 22:36:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-06 22:36:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-06 22:36:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-06 22:36:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-06 22:36:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-06 22:36:15,282 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:36:15,293 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:36:16,266 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:36:24,291 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-06 22:36:24,671 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:36:24,704 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:36:24,704 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:36:24,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:24 BoogieIcfgContainer [2023-11-06 22:36:24,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:36:24,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:36:24,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:36:24,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:36:24,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:36:07" (1/3) ... [2023-11-06 22:36:24,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27dee924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:24, skipping insertion in model container [2023-11-06 22:36:24,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:13" (2/3) ... [2023-11-06 22:36:24,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27dee924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:24, skipping insertion in model container [2023-11-06 22:36:24,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:24" (3/3) ... [2023-11-06 22:36:24,726 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-06 22:36:24,752 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:36:24,753 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:36:24,930 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:36:24,941 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ae0a3ff, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:36:24,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:36:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 2551 states, 1820 states have (on average 1.4076923076923078) internal successors, (2562), 1854 states have internal predecessors, (2562), 639 states have call successors, (639), 92 states have call predecessors, (639), 91 states have return successors, (633), 622 states have call predecessors, (633), 633 states have call successors, (633) [2023-11-06 22:36:25,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-06 22:36:25,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:25,033 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:36:25,034 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:25,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:25,040 INFO L85 PathProgramCache]: Analyzing trace with hash 458020744, now seen corresponding path program 1 times [2023-11-06 22:36:25,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:36:25,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31924586] [2023-11-06 22:36:25,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:25,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:36:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:36:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:36:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:36:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:36:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:36:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:36:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:36:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:36:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:36:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-06 22:36:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:36:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-06 22:36:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-06 22:36:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:26,527 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-06 22:36:26,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:36:26,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31924586] [2023-11-06 22:36:26,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31924586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:36:26,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:36:26,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:36:26,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618242143] [2023-11-06 22:36:26,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:36:26,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:36:26,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:36:26,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:36:26,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:36:26,592 INFO L87 Difference]: Start difference. First operand has 2551 states, 1820 states have (on average 1.4076923076923078) internal successors, (2562), 1854 states have internal predecessors, (2562), 639 states have call successors, (639), 92 states have call predecessors, (639), 91 states have return successors, (633), 622 states have call predecessors, (633), 633 states have call successors, (633) Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:36:34,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:36:34,460 INFO L93 Difference]: Finished difference Result 5209 states and 7955 transitions. [2023-11-06 22:36:34,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:36:34,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 156 [2023-11-06 22:36:34,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:36:34,521 INFO L225 Difference]: With dead ends: 5209 [2023-11-06 22:36:34,521 INFO L226 Difference]: Without dead ends: 2632 [2023-11-06 22:36:34,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:36:34,562 INFO L413 NwaCegarLoop]: 2388 mSDtfsCounter, 1808 mSDsluCounter, 2779 mSDsCounter, 0 mSdLazyCounter, 2993 mSolverCounterSat, 1593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 5167 SdHoareTripleChecker+Invalid, 4586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1593 IncrementalHoareTripleChecker+Valid, 2993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:36:34,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1912 Valid, 5167 Invalid, 4586 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1593 Valid, 2993 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-11-06 22:36:34,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2632 states. [2023-11-06 22:36:34,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2632 to 2500. [2023-11-06 22:36:34,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2500 states, 1799 states have (on average 1.3818788215675375) internal successors, (2486), 1832 states have internal predecessors, (2486), 611 states have call successors, (611), 89 states have call predecessors, (611), 89 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) [2023-11-06 22:36:34,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 3708 transitions. [2023-11-06 22:36:34,890 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 3708 transitions. Word has length 156 [2023-11-06 22:36:34,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:36:34,892 INFO L495 AbstractCegarLoop]: Abstraction has 2500 states and 3708 transitions. [2023-11-06 22:36:34,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:36:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 3708 transitions. [2023-11-06 22:36:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-06 22:36:34,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:34,906 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:36:34,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:36:34,906 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:34,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:34,907 INFO L85 PathProgramCache]: Analyzing trace with hash 873605794, now seen corresponding path program 1 times [2023-11-06 22:36:34,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:36:34,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106864548] [2023-11-06 22:36:34,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:34,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:36:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:36:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:36:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:36:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:36:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:36:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:36:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:36:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:36:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:36:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-06 22:36:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:36:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-06 22:36:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-06 22:36:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-06 22:36:35,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:36:35,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106864548] [2023-11-06 22:36:35,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106864548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:36:35,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:36:35,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:36:35,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18744793] [2023-11-06 22:36:35,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:36:35,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:36:35,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:36:35,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:36:35,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:36:35,741 INFO L87 Difference]: Start difference. First operand 2500 states and 3708 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:36:47,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:36:47,208 INFO L93 Difference]: Finished difference Result 7057 states and 10520 transitions. [2023-11-06 22:36:47,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:36:47,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 157 [2023-11-06 22:36:47,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:36:47,265 INFO L225 Difference]: With dead ends: 7057 [2023-11-06 22:36:47,265 INFO L226 Difference]: Without dead ends: 4578 [2023-11-06 22:36:47,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:36:47,291 INFO L413 NwaCegarLoop]: 2359 mSDtfsCounter, 5240 mSDsluCounter, 4713 mSDsCounter, 0 mSdLazyCounter, 4782 mSolverCounterSat, 3214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5619 SdHoareTripleChecker+Valid, 7072 SdHoareTripleChecker+Invalid, 7996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3214 IncrementalHoareTripleChecker+Valid, 4782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:36:47,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5619 Valid, 7072 Invalid, 7996 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3214 Valid, 4782 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2023-11-06 22:36:47,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4578 states. [2023-11-06 22:36:47,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4578 to 4379. [2023-11-06 22:36:47,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4379 states, 3144 states have (on average 1.3874045801526718) internal successors, (4362), 3203 states have internal predecessors, (4362), 1078 states have call successors, (1078), 156 states have call predecessors, (1078), 156 states have return successors, (1078), 1059 states have call predecessors, (1078), 1078 states have call successors, (1078) [2023-11-06 22:36:47,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4379 states to 4379 states and 6518 transitions. [2023-11-06 22:36:47,639 INFO L78 Accepts]: Start accepts. Automaton has 4379 states and 6518 transitions. Word has length 157 [2023-11-06 22:36:47,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:36:47,642 INFO L495 AbstractCegarLoop]: Abstraction has 4379 states and 6518 transitions. [2023-11-06 22:36:47,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:36:47,643 INFO L276 IsEmpty]: Start isEmpty. Operand 4379 states and 6518 transitions. [2023-11-06 22:36:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:36:47,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:47,652 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:36:47,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:36:47,652 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:47,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:47,653 INFO L85 PathProgramCache]: Analyzing trace with hash 451604142, now seen corresponding path program 1 times [2023-11-06 22:36:47,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:36:47,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331286908] [2023-11-06 22:36:47,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:47,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:36:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:36:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:36:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:36:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:36:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:36:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:36:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:36:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:36:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:36:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:36:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:36:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-06 22:36:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:36:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-06 22:36:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-06 22:36:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-06 22:36:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:36:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:36:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-06 22:36:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-06 22:36:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:48,536 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2023-11-06 22:36:48,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:36:48,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331286908] [2023-11-06 22:36:48,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331286908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:36:48,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:36:48,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:36:48,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339271048] [2023-11-06 22:36:48,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:36:48,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:36:48,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:36:48,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:36:48,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:36:48,540 INFO L87 Difference]: Start difference. First operand 4379 states and 6518 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-06 22:36:58,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:36:58,840 INFO L93 Difference]: Finished difference Result 12499 states and 18580 transitions. [2023-11-06 22:36:58,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:36:58,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 177 [2023-11-06 22:36:58,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:36:58,919 INFO L225 Difference]: With dead ends: 12499 [2023-11-06 22:36:58,920 INFO L226 Difference]: Without dead ends: 8141 [2023-11-06 22:36:58,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:36:58,953 INFO L413 NwaCegarLoop]: 2053 mSDtfsCounter, 6351 mSDsluCounter, 4478 mSDsCounter, 0 mSdLazyCounter, 4715 mSolverCounterSat, 3679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6671 SdHoareTripleChecker+Valid, 6531 SdHoareTripleChecker+Invalid, 8394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3679 IncrementalHoareTripleChecker+Valid, 4715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:36:58,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6671 Valid, 6531 Invalid, 8394 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3679 Valid, 4715 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2023-11-06 22:36:58,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8141 states. [2023-11-06 22:36:59,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8141 to 8108. [2023-11-06 22:36:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8108 states, 5793 states have (on average 1.380804419126532) internal successors, (7999), 5912 states have internal predecessors, (7999), 2002 states have call successors, (2002), 310 states have call predecessors, (2002), 312 states have return successors, (2021), 1961 states have call predecessors, (2021), 2002 states have call successors, (2021) [2023-11-06 22:36:59,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8108 states to 8108 states and 12022 transitions. [2023-11-06 22:36:59,603 INFO L78 Accepts]: Start accepts. Automaton has 8108 states and 12022 transitions. Word has length 177 [2023-11-06 22:36:59,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:36:59,605 INFO L495 AbstractCegarLoop]: Abstraction has 8108 states and 12022 transitions. [2023-11-06 22:36:59,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-06 22:36:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 8108 states and 12022 transitions. [2023-11-06 22:36:59,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-06 22:36:59,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:59,625 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:36:59,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:36:59,625 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:59,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:59,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1075672302, now seen corresponding path program 1 times [2023-11-06 22:36:59,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:36:59,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257699152] [2023-11-06 22:36:59,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:59,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:36:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:37:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:37:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:37:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:37:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:37:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:37:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:37:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:37:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:37:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 22:37:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-06 22:37:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-06 22:37:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:37:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-06 22:37:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-06 22:37:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-06 22:37:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-06 22:37:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-06 22:37:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-06 22:37:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-06 22:37:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-06 22:37:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:37:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-06 22:37:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-06 22:37:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:00,400 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-06 22:37:00,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:37:00,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257699152] [2023-11-06 22:37:00,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257699152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:37:00,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:37:00,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:37:00,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919505651] [2023-11-06 22:37:00,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:37:00,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:37:00,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:37:00,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:37:00,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:37:00,405 INFO L87 Difference]: Start difference. First operand 8108 states and 12022 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 4 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-06 22:37:15,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:37:15,210 INFO L93 Difference]: Finished difference Result 21997 states and 32460 transitions. [2023-11-06 22:37:15,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-06 22:37:15,210 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 4 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 233 [2023-11-06 22:37:15,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:37:15,342 INFO L225 Difference]: With dead ends: 21997 [2023-11-06 22:37:15,342 INFO L226 Difference]: Without dead ends: 13910 [2023-11-06 22:37:15,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2023-11-06 22:37:15,400 INFO L413 NwaCegarLoop]: 1819 mSDtfsCounter, 8731 mSDsluCounter, 6801 mSDsCounter, 0 mSdLazyCounter, 6789 mSolverCounterSat, 6429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8971 SdHoareTripleChecker+Valid, 8620 SdHoareTripleChecker+Invalid, 13218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6429 IncrementalHoareTripleChecker+Valid, 6789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:37:15,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8971 Valid, 8620 Invalid, 13218 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6429 Valid, 6789 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2023-11-06 22:37:15,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13910 states. [2023-11-06 22:37:16,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13910 to 13312. [2023-11-06 22:37:16,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13312 states, 9526 states have (on average 1.3692000839806844) internal successors, (13043), 9726 states have internal predecessors, (13043), 3219 states have call successors, (3219), 576 states have call predecessors, (3219), 566 states have return successors, (3277), 3124 states have call predecessors, (3277), 3219 states have call successors, (3277) [2023-11-06 22:37:17,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13312 states to 13312 states and 19539 transitions. [2023-11-06 22:37:17,017 INFO L78 Accepts]: Start accepts. Automaton has 13312 states and 19539 transitions. Word has length 233 [2023-11-06 22:37:17,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:37:17,019 INFO L495 AbstractCegarLoop]: Abstraction has 13312 states and 19539 transitions. [2023-11-06 22:37:17,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 4 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-06 22:37:17,020 INFO L276 IsEmpty]: Start isEmpty. Operand 13312 states and 19539 transitions. [2023-11-06 22:37:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-06 22:37:17,047 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:37:17,047 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:37:17,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:37:17,048 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:37:17,048 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:37:17,049 INFO L85 PathProgramCache]: Analyzing trace with hash 397779446, now seen corresponding path program 1 times [2023-11-06 22:37:17,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:37:17,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768593446] [2023-11-06 22:37:17,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:17,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:37:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:37:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:37:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:37:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:37:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:37:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:37:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:37:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:37:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:37:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-06 22:37:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-06 22:37:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 22:37:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-06 22:37:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-06 22:37:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-06 22:37:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:37:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-06 22:37:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-06 22:37:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:37:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-06 22:37:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-06 22:37:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-06 22:37:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-06 22:37:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:37:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-06 22:37:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-06 22:37:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2023-11-06 22:37:17,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:37:17,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768593446] [2023-11-06 22:37:17,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768593446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:37:17,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:37:17,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:37:17,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942759453] [2023-11-06 22:37:17,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:37:17,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:37:17,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:37:17,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:37:17,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:37:17,740 INFO L87 Difference]: Start difference. First operand 13312 states and 19539 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 4 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2023-11-06 22:37:33,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:37:33,957 INFO L93 Difference]: Finished difference Result 38134 states and 56156 transitions. [2023-11-06 22:37:33,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-06 22:37:33,958 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 4 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 238 [2023-11-06 22:37:33,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:37:34,122 INFO L225 Difference]: With dead ends: 38134 [2023-11-06 22:37:34,122 INFO L226 Difference]: Without dead ends: 24843 [2023-11-06 22:37:34,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2023-11-06 22:37:34,186 INFO L413 NwaCegarLoop]: 1952 mSDtfsCounter, 9351 mSDsluCounter, 6651 mSDsCounter, 0 mSdLazyCounter, 7264 mSolverCounterSat, 6987 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9678 SdHoareTripleChecker+Valid, 8603 SdHoareTripleChecker+Invalid, 14251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6987 IncrementalHoareTripleChecker+Valid, 7264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:37:34,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9678 Valid, 8603 Invalid, 14251 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6987 Valid, 7264 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2023-11-06 22:37:34,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24843 states. [2023-11-06 22:37:36,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24843 to 23849. [2023-11-06 22:37:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23849 states, 17011 states have (on average 1.3731703015695726) internal successors, (23359), 17383 states have internal predecessors, (23359), 5783 states have call successors, (5783), 1072 states have call predecessors, (5783), 1054 states have return successors, (5903), 5597 states have call predecessors, (5903), 5783 states have call successors, (5903) [2023-11-06 22:37:36,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23849 states to 23849 states and 35045 transitions. [2023-11-06 22:37:36,332 INFO L78 Accepts]: Start accepts. Automaton has 23849 states and 35045 transitions. Word has length 238 [2023-11-06 22:37:36,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:37:36,333 INFO L495 AbstractCegarLoop]: Abstraction has 23849 states and 35045 transitions. [2023-11-06 22:37:36,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 4 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2023-11-06 22:37:36,334 INFO L276 IsEmpty]: Start isEmpty. Operand 23849 states and 35045 transitions. [2023-11-06 22:37:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-11-06 22:37:36,347 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:37:36,347 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:37:36,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:37:36,348 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:37:36,349 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:37:36,349 INFO L85 PathProgramCache]: Analyzing trace with hash 983221300, now seen corresponding path program 1 times [2023-11-06 22:37:36,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:37:36,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293784749] [2023-11-06 22:37:36,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:36,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:37:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:37:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:37:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:37:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:37:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:37:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:37:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:37:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:36,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:37:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:37:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:37:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-06 22:37:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-06 22:37:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-06 22:37:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-06 22:37:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-06 22:37:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-06 22:37:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-06 22:37:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-06 22:37:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-06 22:37:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-06 22:37:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2023-11-06 22:37:37,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:37:37,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293784749] [2023-11-06 22:37:37,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293784749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:37:37,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:37:37,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:37:37,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615127139] [2023-11-06 22:37:37,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:37:37,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:37:37,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:37:37,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:37:37,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:37:37,262 INFO L87 Difference]: Start difference. First operand 23849 states and 35045 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-06 22:37:50,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:37:50,524 INFO L93 Difference]: Finished difference Result 58125 states and 85581 transitions. [2023-11-06 22:37:50,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:37:50,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 224 [2023-11-06 22:37:50,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:37:50,730 INFO L225 Difference]: With dead ends: 58125 [2023-11-06 22:37:50,731 INFO L226 Difference]: Without dead ends: 34297 [2023-11-06 22:37:50,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:37:50,828 INFO L413 NwaCegarLoop]: 4011 mSDtfsCounter, 3927 mSDsluCounter, 6652 mSDsCounter, 0 mSdLazyCounter, 7156 mSolverCounterSat, 1931 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4308 SdHoareTripleChecker+Valid, 10663 SdHoareTripleChecker+Invalid, 9087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1931 IncrementalHoareTripleChecker+Valid, 7156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:37:50,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4308 Valid, 10663 Invalid, 9087 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1931 Valid, 7156 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2023-11-06 22:37:50,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34297 states. [2023-11-06 22:37:53,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34297 to 33027. [2023-11-06 22:37:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33027 states, 23528 states have (on average 1.3731723903434205) internal successors, (32308), 24032 states have internal predecessors, (32308), 8026 states have call successors, (8026), 1498 states have call predecessors, (8026), 1472 states have return successors, (8146), 7782 states have call predecessors, (8146), 8026 states have call successors, (8146) [2023-11-06 22:37:53,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33027 states to 33027 states and 48480 transitions. [2023-11-06 22:37:53,933 INFO L78 Accepts]: Start accepts. Automaton has 33027 states and 48480 transitions. Word has length 224 [2023-11-06 22:37:53,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:37:53,934 INFO L495 AbstractCegarLoop]: Abstraction has 33027 states and 48480 transitions. [2023-11-06 22:37:53,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-06 22:37:53,934 INFO L276 IsEmpty]: Start isEmpty. Operand 33027 states and 48480 transitions. [2023-11-06 22:37:53,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-06 22:37:53,952 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:37:53,953 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:37:53,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:37:53,954 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:37:53,954 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:37:53,954 INFO L85 PathProgramCache]: Analyzing trace with hash -824303016, now seen corresponding path program 1 times [2023-11-06 22:37:53,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:37:53,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483380787] [2023-11-06 22:37:53,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:53,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:37:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:37:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:37:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:37:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:37:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:37:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:37:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:37:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:37:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:37:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:37:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 22:37:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 22:37:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-06 22:37:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-06 22:37:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:37:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:37:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-06 22:37:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-06 22:37:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-06 22:37:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-06 22:37:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-06 22:37:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-06 22:37:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-06 22:37:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:37:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:37:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-06 22:37:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-06 22:37:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:54,810 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-06 22:37:54,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:37:54,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483380787] [2023-11-06 22:37:54,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483380787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:37:54,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:37:54,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:37:54,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550129308] [2023-11-06 22:37:54,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:37:54,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:37:54,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:37:54,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:37:54,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:37:54,814 INFO L87 Difference]: Start difference. First operand 33027 states and 48480 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 4 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2023-11-06 22:38:14,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:14,352 INFO L93 Difference]: Finished difference Result 101379 states and 149082 transitions. [2023-11-06 22:38:14,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-06 22:38:14,352 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 4 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 256 [2023-11-06 22:38:14,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:14,922 INFO L225 Difference]: With dead ends: 101379 [2023-11-06 22:38:14,923 INFO L226 Difference]: Without dead ends: 68373 [2023-11-06 22:38:15,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2023-11-06 22:38:15,069 INFO L413 NwaCegarLoop]: 2247 mSDtfsCounter, 8112 mSDsluCounter, 7409 mSDsCounter, 0 mSdLazyCounter, 9492 mSolverCounterSat, 5629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8500 SdHoareTripleChecker+Valid, 9656 SdHoareTripleChecker+Invalid, 15121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5629 IncrementalHoareTripleChecker+Valid, 9492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:15,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8500 Valid, 9656 Invalid, 15121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5629 Valid, 9492 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2023-11-06 22:38:15,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68373 states. [2023-11-06 22:38:20,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68373 to 65803. [2023-11-06 22:38:20,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65803 states, 46838 states have (on average 1.3733720483368206) internal successors, (64326), 47882 states have internal predecessors, (64326), 16020 states have call successors, (16020), 2996 states have call predecessors, (16020), 2944 states have return successors, (16260), 15496 states have call predecessors, (16260), 16020 states have call successors, (16260) [2023-11-06 22:38:21,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65803 states to 65803 states and 96606 transitions. [2023-11-06 22:38:21,291 INFO L78 Accepts]: Start accepts. Automaton has 65803 states and 96606 transitions. Word has length 256 [2023-11-06 22:38:21,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:21,297 INFO L495 AbstractCegarLoop]: Abstraction has 65803 states and 96606 transitions. [2023-11-06 22:38:21,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 3 states have internal predecessors, (121), 4 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2023-11-06 22:38:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 65803 states and 96606 transitions. [2023-11-06 22:38:21,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-11-06 22:38:21,322 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:21,323 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:21,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:38:21,323 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:21,323 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:21,324 INFO L85 PathProgramCache]: Analyzing trace with hash 566425134, now seen corresponding path program 1 times [2023-11-06 22:38:21,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:21,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540662677] [2023-11-06 22:38:21,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:21,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:38:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:38:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:38:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:38:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:38:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:38:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:38:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:38:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:38:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:38:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:38:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-06 22:38:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-06 22:38:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:38:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-06 22:38:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-06 22:38:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:38:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:38:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-06 22:38:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-06 22:38:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-06 22:38:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-06 22:38:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-06 22:38:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:22,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-06 22:38:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-06 22:38:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:22,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:38:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:22,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-06 22:38:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-06 22:38:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-11-06 22:38:22,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:22,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540662677] [2023-11-06 22:38:22,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540662677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:22,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:22,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:38:22,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201720942] [2023-11-06 22:38:22,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:22,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:38:22,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:22,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:38:22,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:38:22,185 INFO L87 Difference]: Start difference. First operand 65803 states and 96606 transitions. Second operand has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2023-11-06 22:38:36,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:36,176 INFO L93 Difference]: Finished difference Result 134577 states and 197473 transitions. [2023-11-06 22:38:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:38:36,177 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) Word has length 276 [2023-11-06 22:38:36,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:36,681 INFO L225 Difference]: With dead ends: 134577 [2023-11-06 22:38:36,682 INFO L226 Difference]: Without dead ends: 68795 [2023-11-06 22:38:36,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:38:36,882 INFO L413 NwaCegarLoop]: 1957 mSDtfsCounter, 3919 mSDsluCounter, 6656 mSDsCounter, 0 mSdLazyCounter, 7080 mSolverCounterSat, 3294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4024 SdHoareTripleChecker+Valid, 8613 SdHoareTripleChecker+Invalid, 10374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3294 IncrementalHoareTripleChecker+Valid, 7080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:36,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4024 Valid, 8613 Invalid, 10374 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3294 Valid, 7080 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-11-06 22:38:36,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68795 states. [2023-11-06 22:38:41,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68795 to 66275. [2023-11-06 22:38:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66275 states, 47181 states have (on average 1.3707636548610669) internal successors, (64674), 48225 states have internal predecessors, (64674), 16037 states have call successors, (16037), 3108 states have call predecessors, (16037), 3056 states have return successors, (16277), 15513 states have call predecessors, (16277), 16037 states have call successors, (16277) [2023-11-06 22:38:41,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66275 states to 66275 states and 96988 transitions. [2023-11-06 22:38:41,685 INFO L78 Accepts]: Start accepts. Automaton has 66275 states and 96988 transitions. Word has length 276 [2023-11-06 22:38:41,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:41,686 INFO L495 AbstractCegarLoop]: Abstraction has 66275 states and 96988 transitions. [2023-11-06 22:38:41,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2023-11-06 22:38:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand 66275 states and 96988 transitions. [2023-11-06 22:38:41,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2023-11-06 22:38:41,971 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:41,971 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:41,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:38:41,972 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:41,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:41,972 INFO L85 PathProgramCache]: Analyzing trace with hash -2054443521, now seen corresponding path program 1 times [2023-11-06 22:38:41,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:41,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894761107] [2023-11-06 22:38:41,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:41,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:38:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:38:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:38:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:38:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:38:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:38:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:38:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:38:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:38:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:38:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-06 22:38:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-06 22:38:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-06 22:38:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-06 22:38:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-06 22:38:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-06 22:38:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-06 22:38:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:38:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:38:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-06 22:38:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:38:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:38:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:38:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-06 22:38:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-06 22:38:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-06 22:38:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-06 22:38:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-11-06 22:38:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-06 22:38:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:42,699 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2023-11-06 22:38:42,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:42,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894761107] [2023-11-06 22:38:42,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894761107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:42,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:42,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:38:42,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916551121] [2023-11-06 22:38:42,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:42,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:38:42,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:42,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:38:42,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:38:42,705 INFO L87 Difference]: Start difference. First operand 66275 states and 96988 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-06 22:38:58,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:58,608 INFO L93 Difference]: Finished difference Result 153815 states and 225448 transitions. [2023-11-06 22:38:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:38:58,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 298 [2023-11-06 22:38:58,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:59,084 INFO L225 Difference]: With dead ends: 153815 [2023-11-06 22:38:59,085 INFO L226 Difference]: Without dead ends: 87617 [2023-11-06 22:38:59,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:38:59,317 INFO L413 NwaCegarLoop]: 4032 mSDtfsCounter, 3923 mSDsluCounter, 6681 mSDsCounter, 0 mSdLazyCounter, 7143 mSolverCounterSat, 1908 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4305 SdHoareTripleChecker+Valid, 10713 SdHoareTripleChecker+Invalid, 9051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1908 IncrementalHoareTripleChecker+Valid, 7143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:59,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4305 Valid, 10713 Invalid, 9051 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1908 Valid, 7143 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2023-11-06 22:38:59,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87617 states.