./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c9ee75e44352b6ea6b091abc908af4681506ed391b6529699b0d4480d6bf973b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:34:40,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:34:40,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-28 03:34:40,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:34:40,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:34:40,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:34:40,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:34:40,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:34:40,419 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:34:40,419 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:34:40,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:34:40,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:34:40,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:34:40,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:34:40,423 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:34:40,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:34:40,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:34:40,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:34:40,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:34:40,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:34:40,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:34:40,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:34:40,424 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:34:40,425 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:34:40,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:34:40,425 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:34:40,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:34:40,425 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:34:40,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:34:40,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:34:40,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:34:40,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:34:40,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:34:40,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:34:40,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:34:40,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:34:40,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:34:40,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:34:40,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:34:40,428 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:34:40,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:34:40,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:34:40,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:34:40,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:34:40,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:34:40,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:34:40,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:34:40,429 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) 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 -> c9ee75e44352b6ea6b091abc908af4681506ed391b6529699b0d4480d6bf973b [2024-11-28 03:34:40,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:34:40,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:34:40,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:34:40,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:34:40,778 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:34:40,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2024-11-28 03:34:43,796 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/data/6447c21ad/5b5e08b9dbec4f02a606173b1ea759d1/FLAG18d6d7107 [2024-11-28 03:34:44,455 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:34:44,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2024-11-28 03:34:44,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/data/6447c21ad/5b5e08b9dbec4f02a606173b1ea759d1/FLAG18d6d7107 [2024-11-28 03:34:44,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/data/6447c21ad/5b5e08b9dbec4f02a606173b1ea759d1 [2024-11-28 03:34:44,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:34:44,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:34:44,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:34:44,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:34:44,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:34:44,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:44" (1/1) ... [2024-11-28 03:34:44,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730eeaa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:44, skipping insertion in model container [2024-11-28 03:34:44,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:44" (1/1) ... [2024-11-28 03:34:44,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:34:45,365 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2024-11-28 03:34:45,366 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2024-11-28 03:34:45,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:34:45,994 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:34:46,134 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2024-11-28 03:34:46,134 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2024-11-28 03:34:46,138 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"); [2634] [2024-11-28 03:34:46,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight32\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word (4*32+23)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0xf3,0x40,0x0f,0xb8,0xc7\n6641:\n\t.popsection": "=a" (res): "D" (w)); [2643] [2024-11-28 03:34:46,145 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (179), "i" (12UL)); [2687-2688] [2024-11-28 03:34:46,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c6;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c5\n .byte 772b-771b\n .short %c7\n.popsection\n": "=D" (__edi), "=S" (__esi), "=d" (__edx), "=c" (__ecx), "=a" (__eax): [paravirt_typenum] "i" (34UL), [paravirt_opptr] "i" (& pv_cpu_ops.read_tsc), [paravirt_clobber] "i" (511): "memory", "cc", "r8", "r9", "r10", "r11"); [2693-2696] [2024-11-28 03:34:46,147 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [2719-2720] [2024-11-28 03:34:46,150 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"); [2725-2727] [2024-11-28 03:34:46,152 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [2749-2750] [2024-11-28 03:34:46,152 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [2755-2757] [2024-11-28 03:34:46,157 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [2778-2779] [2024-11-28 03:34:46,158 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [2784-2786] [2024-11-28 03:34:46,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2810] [2024-11-28 03:34:46,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2818] [2024-11-28 03:34:46,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:34:46,402 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:34:46,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46 WrapperNode [2024-11-28 03:34:46,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:34:46,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:34:46,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:34:46,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:34:46,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (1/1) ... [2024-11-28 03:34:46,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (1/1) ... [2024-11-28 03:34:46,672 INFO L138 Inliner]: procedures = 120, calls = 710, calls flagged for inlining = 41, calls inlined = 39, statements flattened = 2504 [2024-11-28 03:34:46,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:34:46,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:34:46,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:34:46,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:34:46,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (1/1) ... [2024-11-28 03:34:46,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (1/1) ... [2024-11-28 03:34:46,710 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (1/1) ... [2024-11-28 03:34:46,874 INFO L175 MemorySlicer]: Split 482 memory accesses to 19 slices as follows [2, 28, 22, 3, 51, 1, 2, 252, 7, 21, 23, 6, 18, 9, 3, 9, 5, 1, 19]. 52 percent of accesses are in the largest equivalence class. The 134 initializations are split as follows [2, 0, 0, 0, 51, 0, 0, 7, 7, 16, 16, 4, 18, 6, 0, 4, 3, 0, 0]. The 145 writes are split as follows [0, 24, 22, 1, 0, 0, 1, 75, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 17]. [2024-11-28 03:34:46,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (1/1) ... [2024-11-28 03:34:46,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (1/1) ... [2024-11-28 03:34:46,980 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (1/1) ... [2024-11-28 03:34:46,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (1/1) ... [2024-11-28 03:34:47,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (1/1) ... [2024-11-28 03:34:47,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (1/1) ... [2024-11-28 03:34:47,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (1/1) ... [2024-11-28 03:34:47,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:34:47,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:34:47,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:34:47,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:34:47,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (1/1) ... [2024-11-28 03:34:47,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:34:47,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:47,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:34:47,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:34:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2024-11-28 03:34:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2024-11-28 03:34:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-28 03:34:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-28 03:34:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2024-11-28 03:34:47,195 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2024-11-28 03:34:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:34:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:34:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:34:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:34:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:34:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:34:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 03:34:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 03:34:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 03:34:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 03:34:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 03:34:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 03:34:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 03:34:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 03:34:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 03:34:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 03:34:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 03:34:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 03:34:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 03:34:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-28 03:34:47,200 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-28 03:34:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2024-11-28 03:34:47,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2024-11-28 03:34:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:34:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:34:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:34:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:34:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:34:47,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:34:47,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:34:47,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:34:47,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:34:47,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 03:34:47,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 03:34:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 03:34:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 03:34:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 03:34:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 03:34:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 03:34:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 03:34:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 03:34:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 03:34:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 03:34:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 03:34:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:34:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:34:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:34:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:34:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:34:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:34:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:34:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:34:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:34:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:34:47,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:34:47,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:34:47,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:34:47,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 03:34:47,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 03:34:47,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 03:34:47,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 03:34:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 03:34:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 03:34:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2024-11-28 03:34:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2024-11-28 03:34:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2024-11-28 03:34:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2024-11-28 03:34:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 03:34:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 03:34:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2024-11-28 03:34:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2024-11-28 03:34:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2024-11-28 03:34:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2024-11-28 03:34:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2024-11-28 03:34:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2024-11-28 03:34:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:34:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:34:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:34:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:34:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:34:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:34:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:34:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:34:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:34:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-28 03:34:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2024-11-28 03:34:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-28 03:34:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 03:34:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 03:34:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 03:34:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 03:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:34:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2024-11-28 03:34:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2024-11-28 03:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2024-11-28 03:34:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2024-11-28 03:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 03:34:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 03:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:34:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:34:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:34:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:34:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:34:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 03:34:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 03:34:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 03:34:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 03:34:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 03:34:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 03:34:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 03:34:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 03:34:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 03:34:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 03:34:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-11-28 03:34:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-11-28 03:34:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2024-11-28 03:34:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2024-11-28 03:34:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:34:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 03:34:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-28 03:34:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-28 03:34:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2024-11-28 03:34:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2024-11-28 03:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:34:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 03:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 03:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 03:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 03:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 03:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 03:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 03:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 03:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 03:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 03:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2024-11-28 03:34:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2024-11-28 03:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-11-28 03:34:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-11-28 03:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2024-11-28 03:34:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2024-11-28 03:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2024-11-28 03:34:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2024-11-28 03:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-28 03:34:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-28 03:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2024-11-28 03:34:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2024-11-28 03:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2024-11-28 03:34:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2024-11-28 03:34:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2024-11-28 03:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2024-11-28 03:34:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 03:34:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2024-11-28 03:34:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 03:34:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-28 03:34:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:34:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:34:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:34:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 03:34:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 03:34:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 03:34:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 03:34:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 03:34:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 03:34:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2024-11-28 03:34:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2024-11-28 03:34:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-11-28 03:34:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-11-28 03:34:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2024-11-28 03:34:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2024-11-28 03:34:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-28 03:34:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-28 03:34:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:34:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:34:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2024-11-28 03:34:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2024-11-28 03:34:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2024-11-28 03:34:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2024-11-28 03:34:47,906 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:34:47,910 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:34:48,015 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 03:34:57,502 INFO L? ?]: Removed 1065 outVars from TransFormulas that were not future-live. [2024-11-28 03:34:57,503 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:34:57,570 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:34:57,571 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 03:34:57,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:57 BoogieIcfgContainer [2024-11-28 03:34:57,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:34:57,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:34:57,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:34:57,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:34:57,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:34:44" (1/3) ... [2024-11-28 03:34:57,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a860881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:34:57, skipping insertion in model container [2024-11-28 03:34:57,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:46" (2/3) ... [2024-11-28 03:34:57,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a860881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:34:57, skipping insertion in model container [2024-11-28 03:34:57,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:57" (3/3) ... [2024-11-28 03:34:57,590 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2024-11-28 03:34:57,611 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:34:57,613 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i that has 46 procedures, 1379 locations, 1 initial locations, 3 loop locations, and 235 error locations. [2024-11-28 03:34:57,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:34:57,757 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@13590307, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:34:57,758 INFO L334 AbstractCegarLoop]: Starting to check reachability of 235 error locations. [2024-11-28 03:34:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 1378 states, 961 states have (on average 1.571279916753382) internal successors, (1510), 1211 states have internal predecessors, (1510), 138 states have call successors, (138), 45 states have call predecessors, (138), 44 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-28 03:34:57,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-28 03:34:57,777 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:57,778 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:57,778 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:34:57,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:57,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1458326911, now seen corresponding path program 1 times [2024-11-28 03:34:57,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:34:57,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350616536] [2024-11-28 03:34:57,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:57,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:59,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:59,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:34:59,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350616536] [2024-11-28 03:34:59,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350616536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:59,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:34:59,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:34:59,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271303135] [2024-11-28 03:34:59,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:59,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:34:59,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:34:59,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:34:59,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:59,435 INFO L87 Difference]: Start difference. First operand has 1378 states, 961 states have (on average 1.571279916753382) internal successors, (1510), 1211 states have internal predecessors, (1510), 138 states have call successors, (138), 45 states have call predecessors, (138), 44 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:34:59,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:34:59,776 INFO L93 Difference]: Finished difference Result 2794 states and 3660 transitions. [2024-11-28 03:34:59,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:34:59,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-28 03:34:59,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:34:59,802 INFO L225 Difference]: With dead ends: 2794 [2024-11-28 03:34:59,804 INFO L226 Difference]: Without dead ends: 1391 [2024-11-28 03:34:59,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:34:59,820 INFO L435 NwaCegarLoop]: 1740 mSDtfsCounter, 87 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 3460 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:34:59,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 3460 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:34:59,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2024-11-28 03:34:59,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1385. [2024-11-28 03:34:59,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 991 states have (on average 1.5317860746720484) internal successors, (1518), 1213 states have internal predecessors, (1518), 135 states have call successors, (135), 46 states have call predecessors, (135), 46 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-28 03:34:59,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1788 transitions. [2024-11-28 03:34:59,983 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1788 transitions. Word has length 18 [2024-11-28 03:34:59,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:34:59,985 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 1788 transitions. [2024-11-28 03:34:59,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:34:59,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1788 transitions. [2024-11-28 03:34:59,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-28 03:34:59,986 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:34:59,987 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:59,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:34:59,987 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:34:59,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:59,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1698291862, now seen corresponding path program 1 times [2024-11-28 03:34:59,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:34:59,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587332193] [2024-11-28 03:34:59,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:34:59,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:01,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:01,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:01,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587332193] [2024-11-28 03:35:01,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587332193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:01,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:35:01,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:35:01,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213440076] [2024-11-28 03:35:01,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:01,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:35:01,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:01,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:35:01,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:01,302 INFO L87 Difference]: Start difference. First operand 1385 states and 1788 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:01,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:01,580 INFO L93 Difference]: Finished difference Result 2798 states and 3629 transitions. [2024-11-28 03:35:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:35:01,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-28 03:35:01,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:01,596 INFO L225 Difference]: With dead ends: 2798 [2024-11-28 03:35:01,596 INFO L226 Difference]: Without dead ends: 1429 [2024-11-28 03:35:01,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:01,602 INFO L435 NwaCegarLoop]: 1701 mSDtfsCounter, 23 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3395 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:01,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3395 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:35:01,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2024-11-28 03:35:01,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1427. [2024-11-28 03:35:01,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1031 states have (on average 1.5266731328806984) internal successors, (1574), 1253 states have internal predecessors, (1574), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-28 03:35:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 1848 transitions. [2024-11-28 03:35:01,674 INFO L78 Accepts]: Start accepts. Automaton has 1427 states and 1848 transitions. Word has length 20 [2024-11-28 03:35:01,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:01,675 INFO L471 AbstractCegarLoop]: Abstraction has 1427 states and 1848 transitions. [2024-11-28 03:35:01,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1848 transitions. [2024-11-28 03:35:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-28 03:35:01,676 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:01,676 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:35:01,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:35:01,677 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:35:01,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:01,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1669552336, now seen corresponding path program 1 times [2024-11-28 03:35:01,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:01,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596158005] [2024-11-28 03:35:01,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:01,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:02,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:02,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:02,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596158005] [2024-11-28 03:35:02,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596158005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:02,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:35:02,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:35:02,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764229765] [2024-11-28 03:35:02,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:02,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:35:02,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:02,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:35:02,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:02,619 INFO L87 Difference]: Start difference. First operand 1427 states and 1848 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:02,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:02,768 INFO L93 Difference]: Finished difference Result 1457 states and 1892 transitions. [2024-11-28 03:35:02,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:35:02,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-28 03:35:02,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:02,777 INFO L225 Difference]: With dead ends: 1457 [2024-11-28 03:35:02,777 INFO L226 Difference]: Without dead ends: 1455 [2024-11-28 03:35:02,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:02,781 INFO L435 NwaCegarLoop]: 1709 mSDtfsCounter, 3 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3413 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:02,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3413 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:35:02,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2024-11-28 03:35:02,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1451. [2024-11-28 03:35:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1055 states have (on average 1.5222748815165876) internal successors, (1606), 1277 states have internal predecessors, (1606), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-28 03:35:02,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 1880 transitions. [2024-11-28 03:35:02,847 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 1880 transitions. Word has length 23 [2024-11-28 03:35:02,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:02,848 INFO L471 AbstractCegarLoop]: Abstraction has 1451 states and 1880 transitions. [2024-11-28 03:35:02,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:02,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1880 transitions. [2024-11-28 03:35:02,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-28 03:35:02,849 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:02,849 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:35:02,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:35:02,850 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:35:02,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:02,850 INFO L85 PathProgramCache]: Analyzing trace with hash -2023891408, now seen corresponding path program 1 times [2024-11-28 03:35:02,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:02,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583224663] [2024-11-28 03:35:02,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:02,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:03,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:03,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583224663] [2024-11-28 03:35:03,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583224663] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:35:03,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888889979] [2024-11-28 03:35:03,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:03,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:35:03,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:35:03,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:35:03,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:35:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:05,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:35:05,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:05,262 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:35:05,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888889979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:05,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:35:05,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-28 03:35:05,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508072673] [2024-11-28 03:35:05,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:05,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:35:05,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:05,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:35:05,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:35:05,264 INFO L87 Difference]: Start difference. First operand 1451 states and 1880 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:05,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:05,546 INFO L93 Difference]: Finished difference Result 1453 states and 1880 transitions. [2024-11-28 03:35:05,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:35:05,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-28 03:35:05,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:05,555 INFO L225 Difference]: With dead ends: 1453 [2024-11-28 03:35:05,556 INFO L226 Difference]: Without dead ends: 1451 [2024-11-28 03:35:05,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:35:05,558 INFO L435 NwaCegarLoop]: 1712 mSDtfsCounter, 46 mSDsluCounter, 3374 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 5086 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:05,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 5086 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:35:05,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2024-11-28 03:35:05,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1449. [2024-11-28 03:35:05,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1449 states, 1055 states have (on average 1.5184834123222748) internal successors, (1602), 1275 states have internal predecessors, (1602), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-28 03:35:05,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1876 transitions. [2024-11-28 03:35:05,619 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1876 transitions. Word has length 24 [2024-11-28 03:35:05,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:05,619 INFO L471 AbstractCegarLoop]: Abstraction has 1449 states and 1876 transitions. [2024-11-28 03:35:05,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:05,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1876 transitions. [2024-11-28 03:35:05,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 03:35:05,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:05,621 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:35:05,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:35:05,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:35:05,825 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:35:05,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:05,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1683878469, now seen corresponding path program 1 times [2024-11-28 03:35:05,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:05,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224238050] [2024-11-28 03:35:05,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:05,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:06,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:35:06,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:06,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224238050] [2024-11-28 03:35:06,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224238050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:06,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:35:06,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:35:06,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141010930] [2024-11-28 03:35:06,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:06,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:35:06,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:06,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:35:06,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:06,579 INFO L87 Difference]: Start difference. First operand 1449 states and 1876 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:06,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:06,743 INFO L93 Difference]: Finished difference Result 1451 states and 1876 transitions. [2024-11-28 03:35:06,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:35:06,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-28 03:35:06,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:06,750 INFO L225 Difference]: With dead ends: 1451 [2024-11-28 03:35:06,750 INFO L226 Difference]: Without dead ends: 1450 [2024-11-28 03:35:06,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:06,752 INFO L435 NwaCegarLoop]: 1698 mSDtfsCounter, 23 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3392 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:06,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3392 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:35:06,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2024-11-28 03:35:06,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1442. [2024-11-28 03:35:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1049 states have (on average 1.5195424213536701) internal successors, (1594), 1268 states have internal predecessors, (1594), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-28 03:35:06,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 1868 transitions. [2024-11-28 03:35:06,803 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 1868 transitions. Word has length 25 [2024-11-28 03:35:06,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:06,803 INFO L471 AbstractCegarLoop]: Abstraction has 1442 states and 1868 transitions. [2024-11-28 03:35:06,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:06,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1868 transitions. [2024-11-28 03:35:06,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 03:35:06,806 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:06,806 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 03:35:06,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:35:06,807 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:35:06,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:06,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1244075418, now seen corresponding path program 1 times [2024-11-28 03:35:06,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:06,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397728912] [2024-11-28 03:35:06,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:06,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:07,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:07,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397728912] [2024-11-28 03:35:07,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397728912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:35:07,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287145680] [2024-11-28 03:35:07,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:07,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:35:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:35:07,765 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:35:07,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:35:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:09,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:35:09,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:09,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:09,432 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:35:09,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287145680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:09,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:35:09,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-28 03:35:09,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696469251] [2024-11-28 03:35:09,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:09,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:35:09,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:09,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:35:09,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:35:09,436 INFO L87 Difference]: Start difference. First operand 1442 states and 1868 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:09,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:09,586 INFO L93 Difference]: Finished difference Result 1446 states and 1872 transitions. [2024-11-28 03:35:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:35:09,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-28 03:35:09,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:09,593 INFO L225 Difference]: With dead ends: 1446 [2024-11-28 03:35:09,594 INFO L226 Difference]: Without dead ends: 1445 [2024-11-28 03:35:09,595 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:35:09,595 INFO L435 NwaCegarLoop]: 1707 mSDtfsCounter, 5 mSDsluCounter, 3399 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 5106 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:09,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 5106 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:35:09,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2024-11-28 03:35:09,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1441. [2024-11-28 03:35:09,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1049 states have (on average 1.5157292659675883) internal successors, (1590), 1267 states have internal predecessors, (1590), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-28 03:35:09,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 1864 transitions. [2024-11-28 03:35:09,681 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 1864 transitions. Word has length 29 [2024-11-28 03:35:09,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:09,683 INFO L471 AbstractCegarLoop]: Abstraction has 1441 states and 1864 transitions. [2024-11-28 03:35:09,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:09,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1864 transitions. [2024-11-28 03:35:09,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-28 03:35:09,685 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:09,686 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 03:35:09,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:35:09,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 03:35:09,886 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:35:09,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:09,887 INFO L85 PathProgramCache]: Analyzing trace with hash 88370338, now seen corresponding path program 1 times [2024-11-28 03:35:09,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:09,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871784799] [2024-11-28 03:35:09,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:09,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:10,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:10,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:10,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871784799] [2024-11-28 03:35:10,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871784799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:35:10,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234676426] [2024-11-28 03:35:10,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:10,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:35:10,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:35:10,635 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:35:10,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:35:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:11,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:35:11,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:12,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:35:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:12,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234676426] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:35:12,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:35:12,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-28 03:35:12,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058811721] [2024-11-28 03:35:12,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:35:12,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:35:12,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:12,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:35:12,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:35:12,284 INFO L87 Difference]: Start difference. First operand 1441 states and 1864 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:12,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:12,542 INFO L93 Difference]: Finished difference Result 1530 states and 1988 transitions. [2024-11-28 03:35:12,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:35:12,543 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-28 03:35:12,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:12,550 INFO L225 Difference]: With dead ends: 1530 [2024-11-28 03:35:12,550 INFO L226 Difference]: Without dead ends: 1529 [2024-11-28 03:35:12,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:35:12,552 INFO L435 NwaCegarLoop]: 1705 mSDtfsCounter, 12 mSDsluCounter, 5106 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 6811 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:12,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 6811 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:35:12,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2024-11-28 03:35:12,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1513. [2024-11-28 03:35:12,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 1121 states have (on average 1.504014272970562) internal successors, (1686), 1339 states have internal predecessors, (1686), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-28 03:35:12,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 1960 transitions. [2024-11-28 03:35:12,603 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 1960 transitions. Word has length 30 [2024-11-28 03:35:12,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:12,603 INFO L471 AbstractCegarLoop]: Abstraction has 1513 states and 1960 transitions. [2024-11-28 03:35:12,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:12,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1960 transitions. [2024-11-28 03:35:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-28 03:35:12,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:12,605 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 03:35:12,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:35:12,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 03:35:12,805 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:35:12,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:12,806 INFO L85 PathProgramCache]: Analyzing trace with hash 247514066, now seen corresponding path program 1 times [2024-11-28 03:35:12,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:12,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953372867] [2024-11-28 03:35:12,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:12,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:13,601 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:13,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:13,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953372867] [2024-11-28 03:35:13,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953372867] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:35:13,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397123843] [2024-11-28 03:35:13,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:13,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:35:13,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:35:13,604 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:35:13,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:35:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:15,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:35:15,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:15,301 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:35:15,469 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:15,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397123843] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:35:15,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:35:15,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-28 03:35:15,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331720999] [2024-11-28 03:35:15,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:35:15,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:35:15,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:15,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:35:15,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:35:15,472 INFO L87 Difference]: Start difference. First operand 1513 states and 1960 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:16,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:16,008 INFO L93 Difference]: Finished difference Result 3278 states and 4275 transitions. [2024-11-28 03:35:16,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:35:16,009 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-28 03:35:16,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:16,018 INFO L225 Difference]: With dead ends: 3278 [2024-11-28 03:35:16,019 INFO L226 Difference]: Without dead ends: 1781 [2024-11-28 03:35:16,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:35:16,026 INFO L435 NwaCegarLoop]: 1696 mSDtfsCounter, 87 mSDsluCounter, 6772 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 8468 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:16,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 8468 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:35:16,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2024-11-28 03:35:16,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1767. [2024-11-28 03:35:16,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1767 states, 1369 states have (on average 1.4784514243973703) internal successors, (2024), 1587 states have internal predecessors, (2024), 143 states have call successors, (143), 46 states have call predecessors, (143), 46 states have return successors, (143), 138 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-28 03:35:16,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 2310 transitions. [2024-11-28 03:35:16,093 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 2310 transitions. Word has length 32 [2024-11-28 03:35:16,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:16,094 INFO L471 AbstractCegarLoop]: Abstraction has 1767 states and 2310 transitions. [2024-11-28 03:35:16,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:16,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2310 transitions. [2024-11-28 03:35:16,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-28 03:35:16,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:16,098 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 03:35:16,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:35:16,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:35:16,299 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:35:16,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:16,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1137261652, now seen corresponding path program 1 times [2024-11-28 03:35:16,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:16,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593447372] [2024-11-28 03:35:16,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:16,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 03:35:17,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:17,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593447372] [2024-11-28 03:35:17,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593447372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:17,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:35:17,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:35:17,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386419853] [2024-11-28 03:35:17,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:17,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:35:17,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:17,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:35:17,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:17,113 INFO L87 Difference]: Start difference. First operand 1767 states and 2310 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:35:21,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:21,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:21,329 INFO L93 Difference]: Finished difference Result 3765 states and 4945 transitions. [2024-11-28 03:35:21,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:35:21,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2024-11-28 03:35:21,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:21,342 INFO L225 Difference]: With dead ends: 3765 [2024-11-28 03:35:21,342 INFO L226 Difference]: Without dead ends: 2014 [2024-11-28 03:35:21,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:21,348 INFO L435 NwaCegarLoop]: 1774 mSDtfsCounter, 80 mSDsluCounter, 1686 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 3460 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:21,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 3460 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 03:35:21,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2014 states. [2024-11-28 03:35:21,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2014 to 2012. [2024-11-28 03:35:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2012 states, 1608 states have (on average 1.4620646766169154) internal successors, (2351), 1826 states have internal predecessors, (2351), 148 states have call successors, (148), 47 states have call predecessors, (148), 47 states have return successors, (148), 143 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-28 03:35:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 2012 states and 2647 transitions. [2024-11-28 03:35:21,420 INFO L78 Accepts]: Start accepts. Automaton has 2012 states and 2647 transitions. Word has length 47 [2024-11-28 03:35:21,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:21,420 INFO L471 AbstractCegarLoop]: Abstraction has 2012 states and 2647 transitions. [2024-11-28 03:35:21,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:35:21,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2647 transitions. [2024-11-28 03:35:21,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-28 03:35:21,423 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:21,423 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-28 03:35:21,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:35:21,424 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:35:21,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:21,424 INFO L85 PathProgramCache]: Analyzing trace with hash -882009024, now seen corresponding path program 1 times [2024-11-28 03:35:21,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:21,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278894969] [2024-11-28 03:35:21,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:21,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:35:22,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:22,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278894969] [2024-11-28 03:35:22,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278894969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:22,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:35:22,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:35:22,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200455318] [2024-11-28 03:35:22,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:22,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:35:22,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:22,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:35:22,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:22,383 INFO L87 Difference]: Start difference. First operand 2012 states and 2647 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:35:22,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:22,523 INFO L93 Difference]: Finished difference Result 2513 states and 3327 transitions. [2024-11-28 03:35:22,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:35:22,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 48 [2024-11-28 03:35:22,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:22,537 INFO L225 Difference]: With dead ends: 2513 [2024-11-28 03:35:22,537 INFO L226 Difference]: Without dead ends: 2511 [2024-11-28 03:35:22,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:22,541 INFO L435 NwaCegarLoop]: 1708 mSDtfsCounter, 65 mSDsluCounter, 1696 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 3404 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:22,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 3404 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:35:22,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2024-11-28 03:35:22,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2509. [2024-11-28 03:35:22,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2509 states, 2089 states have (on average 1.4384873145045476) internal successors, (3005), 2307 states have internal predecessors, (3005), 160 states have call successors, (160), 51 states have call predecessors, (160), 51 states have return successors, (160), 155 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-28 03:35:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 3325 transitions. [2024-11-28 03:35:22,625 INFO L78 Accepts]: Start accepts. Automaton has 2509 states and 3325 transitions. Word has length 48 [2024-11-28 03:35:22,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:22,627 INFO L471 AbstractCegarLoop]: Abstraction has 2509 states and 3325 transitions. [2024-11-28 03:35:22,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 03:35:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 3325 transitions. [2024-11-28 03:35:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-28 03:35:22,628 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:22,628 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:35:22,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:35:22,629 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:35:22,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:22,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1754881248, now seen corresponding path program 2 times [2024-11-28 03:35:22,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:22,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919724997] [2024-11-28 03:35:22,630 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:35:22,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:23,222 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:35:23,224 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:35:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 03:35:31,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:31,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919724997] [2024-11-28 03:35:31,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919724997] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:35:31,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306570893] [2024-11-28 03:35:31,497 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:35:31,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:35:31,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:35:31,499 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:35:31,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:35:32,956 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:35:32,956 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:35:32,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:35:32,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:33,752 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 03:35:33,752 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:35:33,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306570893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:33,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:35:33,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 7 [2024-11-28 03:35:33,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042115715] [2024-11-28 03:35:33,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:33,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:35:33,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:33,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:35:33,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:35:33,756 INFO L87 Difference]: Start difference. First operand 2509 states and 3325 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:37,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:39,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:39,384 INFO L93 Difference]: Finished difference Result 3968 states and 5205 transitions. [2024-11-28 03:35:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:35:39,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2024-11-28 03:35:39,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:39,393 INFO L225 Difference]: With dead ends: 3968 [2024-11-28 03:35:39,394 INFO L226 Difference]: Without dead ends: 1475 [2024-11-28 03:35:39,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:35:39,400 INFO L435 NwaCegarLoop]: 1681 mSDtfsCounter, 1678 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1678 SdHoareTripleChecker+Valid, 3094 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:39,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1678 Valid, 3094 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-11-28 03:35:39,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2024-11-28 03:35:39,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2024-11-28 03:35:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1086 states have (on average 1.4935543278084715) internal successors, (1622), 1302 states have internal predecessors, (1622), 135 states have call successors, (135), 47 states have call predecessors, (135), 47 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-28 03:35:39,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1892 transitions. [2024-11-28 03:35:39,448 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1892 transitions. Word has length 48 [2024-11-28 03:35:39,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:39,449 INFO L471 AbstractCegarLoop]: Abstraction has 1475 states and 1892 transitions. [2024-11-28 03:35:39,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 03:35:39,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1892 transitions. [2024-11-28 03:35:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-28 03:35:39,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:39,450 INFO L218 NwaCegarLoop]: trace histogram [3, 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] [2024-11-28 03:35:39,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:35:39,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:35:39,651 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:35:39,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:39,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1518410992, now seen corresponding path program 1 times [2024-11-28 03:35:39,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:39,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770652863] [2024-11-28 03:35:39,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:39,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:40,600 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 03:35:40,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:40,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770652863] [2024-11-28 03:35:40,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770652863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:35:40,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582159773] [2024-11-28 03:35:40,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:40,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:35:40,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:35:40,603 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:35:40,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:35:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:42,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 1471 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:35:42,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:35:42,324 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:35:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 03:35:42,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582159773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:35:42,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:35:42,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-28 03:35:42,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903617097] [2024-11-28 03:35:42,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:35:42,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:35:42,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:42,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:35:42,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:35:42,576 INFO L87 Difference]: Start difference. First operand 1475 states and 1892 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 03:35:46,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:35:49,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:49,026 INFO L93 Difference]: Finished difference Result 4434 states and 5698 transitions. [2024-11-28 03:35:49,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 03:35:49,027 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 58 [2024-11-28 03:35:49,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:49,038 INFO L225 Difference]: With dead ends: 4434 [2024-11-28 03:35:49,039 INFO L226 Difference]: Without dead ends: 2975 [2024-11-28 03:35:49,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:35:49,044 INFO L435 NwaCegarLoop]: 1730 mSDtfsCounter, 1744 mSDsluCounter, 6516 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 8246 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:49,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 8246 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-28 03:35:49,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2024-11-28 03:35:49,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2771. [2024-11-28 03:35:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2208 states have (on average 1.4741847826086956) internal successors, (3255), 2434 states have internal predecessors, (3255), 266 states have call successors, (266), 90 states have call predecessors, (266), 90 states have return successors, (266), 256 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-28 03:35:49,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3787 transitions. [2024-11-28 03:35:49,170 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3787 transitions. Word has length 58 [2024-11-28 03:35:49,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:49,170 INFO L471 AbstractCegarLoop]: Abstraction has 2771 states and 3787 transitions. [2024-11-28 03:35:49,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 03:35:49,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3787 transitions. [2024-11-28 03:35:49,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-28 03:35:49,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:49,172 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 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] [2024-11-28 03:35:49,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:35:49,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:35:49,373 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:35:49,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:49,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1064563925, now seen corresponding path program 1 times [2024-11-28 03:35:49,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:49,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152888170] [2024-11-28 03:35:49,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:49,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-28 03:35:50,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:50,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152888170] [2024-11-28 03:35:50,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152888170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:35:50,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838216539] [2024-11-28 03:35:50,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:50,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:35:50,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:35:50,318 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:35:50,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:35:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:52,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:35:52,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:52,508 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 8 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 03:35:52,508 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:35:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 4 proven. 66 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-28 03:35:53,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838216539] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:35:53,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:35:53,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 9, 9] total 18 [2024-11-28 03:35:53,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269687265] [2024-11-28 03:35:53,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:35:53,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 03:35:53,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:53,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 03:35:53,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:35:53,176 INFO L87 Difference]: Start difference. First operand 2771 states and 3787 transitions. Second operand has 18 states, 18 states have (on average 7.444444444444445) internal successors, (134), 18 states have internal predecessors, (134), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 03:35:56,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:35:56,534 INFO L93 Difference]: Finished difference Result 7401 states and 9940 transitions. [2024-11-28 03:35:56,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-28 03:35:56,536 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.444444444444445) internal successors, (134), 18 states have internal predecessors, (134), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 75 [2024-11-28 03:35:56,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:35:56,559 INFO L225 Difference]: With dead ends: 7401 [2024-11-28 03:35:56,559 INFO L226 Difference]: Without dead ends: 4646 [2024-11-28 03:35:56,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=720, Invalid=1350, Unknown=0, NotChecked=0, Total=2070 [2024-11-28 03:35:56,568 INFO L435 NwaCegarLoop]: 1675 mSDtfsCounter, 1774 mSDsluCounter, 11430 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 13105 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:35:56,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 13105 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 03:35:56,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4646 states. [2024-11-28 03:35:56,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4646 to 4443. [2024-11-28 03:35:56,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4443 states, 3702 states have (on average 1.4243652079956781) internal successors, (5273), 3938 states have internal predecessors, (5273), 399 states have call successors, (399), 135 states have call predecessors, (399), 135 states have return successors, (399), 384 states have call predecessors, (399), 399 states have call successors, (399) [2024-11-28 03:35:56,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4443 states to 4443 states and 6071 transitions. [2024-11-28 03:35:56,715 INFO L78 Accepts]: Start accepts. Automaton has 4443 states and 6071 transitions. Word has length 75 [2024-11-28 03:35:56,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:35:56,715 INFO L471 AbstractCegarLoop]: Abstraction has 4443 states and 6071 transitions. [2024-11-28 03:35:56,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.444444444444445) internal successors, (134), 18 states have internal predecessors, (134), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 03:35:56,717 INFO L276 IsEmpty]: Start isEmpty. Operand 4443 states and 6071 transitions. [2024-11-28 03:35:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 03:35:56,722 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:35:56,722 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 3, 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] [2024-11-28 03:35:56,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 03:35:56,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 03:35:56,923 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting analog_disconnectErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:35:56,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:56,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1467638956, now seen corresponding path program 1 times [2024-11-28 03:35:56,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:56,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823593418] [2024-11-28 03:35:56,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:35:56,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:35:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-28 03:35:57,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:57,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823593418] [2024-11-28 03:35:57,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823593418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:57,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:35:57,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:35:57,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534144035] [2024-11-28 03:35:57,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:57,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:35:57,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:57,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:35:57,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:35:57,618 INFO L87 Difference]: Start difference. First operand 4443 states and 6071 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:36:01,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:36:01,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:01,802 INFO L93 Difference]: Finished difference Result 9108 states and 12411 transitions. [2024-11-28 03:36:01,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:36:01,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 119 [2024-11-28 03:36:01,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:01,823 INFO L225 Difference]: With dead ends: 9108 [2024-11-28 03:36:01,823 INFO L226 Difference]: Without dead ends: 4860 [2024-11-28 03:36:01,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:36:01,830 INFO L435 NwaCegarLoop]: 1776 mSDtfsCounter, 1642 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:01,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 1899 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 03:36:01,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4860 states. [2024-11-28 03:36:01,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4860 to 4854. [2024-11-28 03:36:01,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4854 states, 4062 states have (on average 1.4022648941408173) internal successors, (5696), 4298 states have internal predecessors, (5696), 423 states have call successors, (423), 162 states have call predecessors, (423), 162 states have return successors, (423), 408 states have call predecessors, (423), 423 states have call successors, (423) [2024-11-28 03:36:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4854 states to 4854 states and 6542 transitions. [2024-11-28 03:36:01,973 INFO L78 Accepts]: Start accepts. Automaton has 4854 states and 6542 transitions. Word has length 119 [2024-11-28 03:36:01,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:01,973 INFO L471 AbstractCegarLoop]: Abstraction has 4854 states and 6542 transitions. [2024-11-28 03:36:01,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 03:36:01,974 INFO L276 IsEmpty]: Start isEmpty. Operand 4854 states and 6542 transitions. [2024-11-28 03:36:01,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-28 03:36:01,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:01,975 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 4, 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] [2024-11-28 03:36:01,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:36:01,976 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:36:01,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:01,976 INFO L85 PathProgramCache]: Analyzing trace with hash -2086637709, now seen corresponding path program 1 times [2024-11-28 03:36:01,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:36:01,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280070853] [2024-11-28 03:36:01,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:01,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:36:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-28 03:36:02,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:36:02,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280070853] [2024-11-28 03:36:02,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280070853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:36:02,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:36:02,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:36:02,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655049253] [2024-11-28 03:36:02,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:36:02,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:36:02,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:36:02,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:36:02,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:36:02,892 INFO L87 Difference]: Start difference. First operand 4854 states and 6542 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:36:03,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:03,101 INFO L93 Difference]: Finished difference Result 4957 states and 6660 transitions. [2024-11-28 03:36:03,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:36:03,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 117 [2024-11-28 03:36:03,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:03,123 INFO L225 Difference]: With dead ends: 4957 [2024-11-28 03:36:03,123 INFO L226 Difference]: Without dead ends: 4955 [2024-11-28 03:36:03,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:36:03,127 INFO L435 NwaCegarLoop]: 1677 mSDtfsCounter, 1731 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 1733 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:03,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1731 Valid, 1733 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:36:03,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4955 states. [2024-11-28 03:36:03,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4955 to 3300. [2024-11-28 03:36:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 2705 states have (on average 1.401478743068392) internal successors, (3791), 2929 states have internal predecessors, (3791), 282 states have call successors, (282), 108 states have call predecessors, (282), 108 states have return successors, (282), 272 states have call predecessors, (282), 282 states have call successors, (282) [2024-11-28 03:36:03,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 4355 transitions. [2024-11-28 03:36:03,251 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 4355 transitions. Word has length 117 [2024-11-28 03:36:03,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:03,251 INFO L471 AbstractCegarLoop]: Abstraction has 3300 states and 4355 transitions. [2024-11-28 03:36:03,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:36:03,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 4355 transitions. [2024-11-28 03:36:03,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-28 03:36:03,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:03,254 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 5, 4, 4, 4, 4, 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] [2024-11-28 03:36:03,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:36:03,254 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:36:03,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:03,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1835218982, now seen corresponding path program 1 times [2024-11-28 03:36:03,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:36:03,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617753667] [2024-11-28 03:36:03,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:03,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:36:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-28 03:36:04,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:36:04,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617753667] [2024-11-28 03:36:04,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617753667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:36:04,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:36:04,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:36:04,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113870673] [2024-11-28 03:36:04,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:36:04,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:36:04,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:36:04,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:36:04,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:36:04,164 INFO L87 Difference]: Start difference. First operand 3300 states and 4355 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:36:04,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:04,315 INFO L93 Difference]: Finished difference Result 3300 states and 4355 transitions. [2024-11-28 03:36:04,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:36:04,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 128 [2024-11-28 03:36:04,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:04,326 INFO L225 Difference]: With dead ends: 3300 [2024-11-28 03:36:04,326 INFO L226 Difference]: Without dead ends: 3299 [2024-11-28 03:36:04,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:36:04,328 INFO L435 NwaCegarLoop]: 1677 mSDtfsCounter, 1670 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 1677 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:04,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1670 Valid, 1677 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:36:04,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states. [2024-11-28 03:36:04,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3299 to 3299. [2024-11-28 03:36:04,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3299 states, 2705 states have (on average 1.4011090573012939) internal successors, (3790), 2928 states have internal predecessors, (3790), 282 states have call successors, (282), 108 states have call predecessors, (282), 108 states have return successors, (282), 272 states have call predecessors, (282), 282 states have call successors, (282) [2024-11-28 03:36:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4354 transitions. [2024-11-28 03:36:04,493 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4354 transitions. Word has length 128 [2024-11-28 03:36:04,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:04,494 INFO L471 AbstractCegarLoop]: Abstraction has 3299 states and 4354 transitions. [2024-11-28 03:36:04,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:36:04,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4354 transitions. [2024-11-28 03:36:04,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-28 03:36:04,495 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:04,496 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 4, 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] [2024-11-28 03:36:04,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:36:04,498 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting analog_disconnectErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:36:04,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:04,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1687276780, now seen corresponding path program 1 times [2024-11-28 03:36:04,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:36:04,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319085090] [2024-11-28 03:36:04,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:04,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:36:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-28 03:36:05,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:36:05,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319085090] [2024-11-28 03:36:05,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319085090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:36:05,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:36:05,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:36:05,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176722048] [2024-11-28 03:36:05,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:36:05,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:36:05,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:36:05,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:36:05,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:36:05,397 INFO L87 Difference]: Start difference. First operand 3299 states and 4354 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 03:36:09,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 03:36:09,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:09,755 INFO L93 Difference]: Finished difference Result 9081 states and 12134 transitions. [2024-11-28 03:36:09,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:36:09,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 135 [2024-11-28 03:36:09,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:09,778 INFO L225 Difference]: With dead ends: 9081 [2024-11-28 03:36:09,778 INFO L226 Difference]: Without dead ends: 5977 [2024-11-28 03:36:09,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:36:09,787 INFO L435 NwaCegarLoop]: 3350 mSDtfsCounter, 1670 mSDsluCounter, 5021 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 8371 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:09,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1670 Valid, 8371 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 03:36:09,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5977 states. [2024-11-28 03:36:09,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5977 to 3303. [2024-11-28 03:36:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3303 states, 2709 states have (on average 1.400516795865633) internal successors, (3794), 2932 states have internal predecessors, (3794), 282 states have call successors, (282), 108 states have call predecessors, (282), 108 states have return successors, (282), 272 states have call predecessors, (282), 282 states have call successors, (282) [2024-11-28 03:36:09,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 3303 states and 4358 transitions. [2024-11-28 03:36:09,965 INFO L78 Accepts]: Start accepts. Automaton has 3303 states and 4358 transitions. Word has length 135 [2024-11-28 03:36:09,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:09,965 INFO L471 AbstractCegarLoop]: Abstraction has 3303 states and 4358 transitions. [2024-11-28 03:36:09,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 03:36:09,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3303 states and 4358 transitions. [2024-11-28 03:36:09,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 03:36:09,967 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:09,968 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 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] [2024-11-28 03:36:09,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:36:09,968 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:36:09,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:09,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1607358620, now seen corresponding path program 1 times [2024-11-28 03:36:09,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:36:09,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814154661] [2024-11-28 03:36:09,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:09,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:36:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-28 03:36:10,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:36:10,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814154661] [2024-11-28 03:36:10,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814154661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:36:10,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:36:10,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:36:10,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706277703] [2024-11-28 03:36:10,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:36:10,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:36:10,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:36:10,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:36:10,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:36:10,927 INFO L87 Difference]: Start difference. First operand 3303 states and 4358 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-28 03:36:11,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:11,312 INFO L93 Difference]: Finished difference Result 6549 states and 8721 transitions. [2024-11-28 03:36:11,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:36:11,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 137 [2024-11-28 03:36:11,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:11,327 INFO L225 Difference]: With dead ends: 6549 [2024-11-28 03:36:11,327 INFO L226 Difference]: Without dead ends: 3441 [2024-11-28 03:36:11,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:36:11,335 INFO L435 NwaCegarLoop]: 1680 mSDtfsCounter, 66 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 3337 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:11,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 3337 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:36:11,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2024-11-28 03:36:11,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 3355. [2024-11-28 03:36:11,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3355 states, 2755 states have (on average 1.3989110707803993) internal successors, (3854), 2978 states have internal predecessors, (3854), 288 states have call successors, (288), 108 states have call predecessors, (288), 108 states have return successors, (288), 278 states have call predecessors, (288), 288 states have call successors, (288) [2024-11-28 03:36:11,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3355 states to 3355 states and 4430 transitions. [2024-11-28 03:36:11,547 INFO L78 Accepts]: Start accepts. Automaton has 3355 states and 4430 transitions. Word has length 137 [2024-11-28 03:36:11,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:11,549 INFO L471 AbstractCegarLoop]: Abstraction has 3355 states and 4430 transitions. [2024-11-28 03:36:11,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-28 03:36:11,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3355 states and 4430 transitions. [2024-11-28 03:36:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 03:36:11,552 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:11,553 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2024-11-28 03:36:11,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:36:11,553 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:36:11,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:11,554 INFO L85 PathProgramCache]: Analyzing trace with hash 233405094, now seen corresponding path program 1 times [2024-11-28 03:36:11,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:36:11,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174829145] [2024-11-28 03:36:11,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:11,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:36:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 10 proven. 378 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-28 03:36:13,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:36:13,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174829145] [2024-11-28 03:36:13,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174829145] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:36:13,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312407221] [2024-11-28 03:36:13,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:36:13,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:13,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:36:13,656 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:36:13,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:36:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:36:15,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 1761 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 03:36:15,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:36:15,720 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 14 proven. 378 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-28 03:36:15,720 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:36:16,832 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 10 proven. 378 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-28 03:36:16,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312407221] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:36:16,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:36:16,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 19 [2024-11-28 03:36:16,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33019946] [2024-11-28 03:36:16,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:36:16,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 03:36:16,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:36:16,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 03:36:16,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:36:16,835 INFO L87 Difference]: Start difference. First operand 3355 states and 4430 transitions. Second operand has 19 states, 19 states have (on average 5.894736842105263) internal successors, (112), 19 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:36:17,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:36:17,270 INFO L93 Difference]: Finished difference Result 6774 states and 8943 transitions. [2024-11-28 03:36:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 03:36:17,271 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.894736842105263) internal successors, (112), 19 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 139 [2024-11-28 03:36:17,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:36:17,283 INFO L225 Difference]: With dead ends: 6774 [2024-11-28 03:36:17,283 INFO L226 Difference]: Without dead ends: 3435 [2024-11-28 03:36:17,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 262 SyntacticMatches, 14 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:36:17,290 INFO L435 NwaCegarLoop]: 1678 mSDtfsCounter, 3 mSDsluCounter, 8375 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10053 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:36:17,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10053 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:36:17,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3435 states. [2024-11-28 03:36:17,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3435 to 3435. [2024-11-28 03:36:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3435 states, 2835 states have (on average 1.3876543209876544) internal successors, (3934), 3058 states have internal predecessors, (3934), 288 states have call successors, (288), 108 states have call predecessors, (288), 108 states have return successors, (288), 278 states have call predecessors, (288), 288 states have call successors, (288) [2024-11-28 03:36:17,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 3435 states and 4510 transitions. [2024-11-28 03:36:17,413 INFO L78 Accepts]: Start accepts. Automaton has 3435 states and 4510 transitions. Word has length 139 [2024-11-28 03:36:17,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:36:17,414 INFO L471 AbstractCegarLoop]: Abstraction has 3435 states and 4510 transitions. [2024-11-28 03:36:17,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.894736842105263) internal successors, (112), 19 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 03:36:17,414 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 4510 transitions. [2024-11-28 03:36:17,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 03:36:17,417 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:36:17,417 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2024-11-28 03:36:17,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 03:36:17,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:17,618 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-28 03:36:17,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:36:17,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1314438502, now seen corresponding path program 2 times [2024-11-28 03:36:17,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:36:17,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253349857] [2024-11-28 03:36:17,619 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:36:17,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:36:18,164 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:36:18,164 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:36:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 18 proven. 48 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2024-11-28 03:36:18,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:36:18,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253349857] [2024-11-28 03:36:18,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253349857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:36:18,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763014025] [2024-11-28 03:36:18,553 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:36:18,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:36:18,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:36:18,556 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:36:18,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5334bc0-10c5-41ad-841d-dfa212956d5d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process