./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 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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-?-8fc3dc6-m [2025-03-17 15:51:54,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:51:55,013 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-17 15:51:55,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:51:55,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:51:55,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:51:55,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:51:55,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:51:55,034 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:51:55,034 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:51:55,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:51:55,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:51:55,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:51:55,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:51:55,034 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:51:55,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:51:55,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:51:55,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:51:55,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:51:55,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:51:55,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:51:55,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:51:55,035 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:51:55,035 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:51:55,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:51:55,035 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:51:55,035 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:51:55,036 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:51:55,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:51:55,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:51:55,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:51:55,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:51:55,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:51:55,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:51:55,036 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:51:55,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:51:55,036 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:51:55,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:51:55,037 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:51:55,037 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:51:55,037 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:51:55,037 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:51:55,037 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2025-03-17 15:51:55,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:51:55,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:51:55,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:51:55,269 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:51:55,269 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:51:55,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2025-03-17 15:51:56,368 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78717c99d/465295b393744c94a3c8bd83bfa28ec2/FLAG6ee6be0e9 [2025-03-17 15:51:56,716 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:51:56,717 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2025-03-17 15:51:56,738 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78717c99d/465295b393744c94a3c8bd83bfa28ec2/FLAG6ee6be0e9 [2025-03-17 15:51:56,752 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78717c99d/465295b393744c94a3c8bd83bfa28ec2 [2025-03-17 15:51:56,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:51:56,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:51:56,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:51:56,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:51:56,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:51:56,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:51:56" (1/1) ... [2025-03-17 15:51:56,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb4a0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:56, skipping insertion in model container [2025-03-17 15:51:56,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:51:56" (1/1) ... [2025-03-17 15:51:56,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:51:57,084 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2025-03-17 15:51:57,085 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2025-03-17 15:51:57,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:51:57,413 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:51:57,463 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2025-03-17 15:51:57,463 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2025-03-17 15:51:57,465 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] [2025-03-17 15:51:57,466 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] [2025-03-17 15:51:57,468 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] [2025-03-17 15:51:57,468 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] [2025-03-17 15:51:57,469 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] [2025-03-17 15:51:57,469 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] [2025-03-17 15:51:57,473 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] [2025-03-17 15:51:57,474 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] [2025-03-17 15:51:57,474 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] [2025-03-17 15:51:57,474 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] [2025-03-17 15:51:57,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2810] [2025-03-17 15:51:57,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2818] [2025-03-17 15:51:57,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:51:57,610 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:51:57,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57 WrapperNode [2025-03-17 15:51:57,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:51:57,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:51:57,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:51:57,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:51:57,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57" (1/1) ... [2025-03-17 15:51:57,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57" (1/1) ... [2025-03-17 15:51:57,724 INFO L138 Inliner]: procedures = 120, calls = 710, calls flagged for inlining = 41, calls inlined = 39, statements flattened = 2504 [2025-03-17 15:51:57,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:51:57,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:51:57,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:51:57,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:51:57,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57" (1/1) ... [2025-03-17 15:51:57,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57" (1/1) ... [2025-03-17 15:51:57,748 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57" (1/1) ... [2025-03-17 15:51:57,825 INFO L175 MemorySlicer]: Split 482 memory accesses to 19 slices as follows [2, 28, 252, 22, 1, 18, 3, 7, 21, 1, 23, 6, 9, 9, 3, 5, 19, 51, 2]. 52 percent of accesses are in the largest equivalence class. The 134 initializations are split as follows [2, 0, 7, 0, 0, 18, 0, 7, 16, 0, 16, 4, 6, 4, 0, 3, 0, 51, 0]. The 145 writes are split as follows [0, 24, 75, 22, 0, 0, 1, 0, 0, 0, 5, 0, 0, 0, 0, 0, 17, 0, 1]. [2025-03-17 15:51:57,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57" (1/1) ... [2025-03-17 15:51:57,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57" (1/1) ... [2025-03-17 15:51:57,904 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57" (1/1) ... [2025-03-17 15:51:57,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57" (1/1) ... [2025-03-17 15:51:57,930 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57" (1/1) ... [2025-03-17 15:51:57,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57" (1/1) ... [2025-03-17 15:51:57,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:51:57,963 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:51:57,963 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:51:57,963 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:51:57,964 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57" (1/1) ... [2025-03-17 15:51:57,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:51:57,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:51:57,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 15:51:57,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 15:51:58,015 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2025-03-17 15:51:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2025-03-17 15:51:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2025-03-17 15:51:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-17 15:51:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2025-03-17 15:51:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2025-03-17 15:51:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-17 15:51:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 15:51:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2025-03-17 15:51:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2025-03-17 15:51:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2025-03-17 15:51:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-17 15:51:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-17 15:51:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2025-03-17 15:51:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2025-03-17 15:51:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2025-03-17 15:51:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2025-03-17 15:51:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2025-03-17 15:51:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2025-03-17 15:51:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 15:51:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 15:51:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 15:51:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 15:51:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 15:51:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 15:51:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2025-03-17 15:51:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2025-03-17 15:51:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2025-03-17 15:51:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-17 15:51:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-17 15:51:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 15:51:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2025-03-17 15:51:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2025-03-17 15:51:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-17 15:51:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 15:51:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2025-03-17 15:51:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2025-03-17 15:51:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 15:51:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2025-03-17 15:51:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2025-03-17 15:51:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 15:51:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2025-03-17 15:51:58,026 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2025-03-17 15:51:58,026 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2025-03-17 15:51:58,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2025-03-17 15:51:58,026 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2025-03-17 15:51:58,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2025-03-17 15:51:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2025-03-17 15:51:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2025-03-17 15:51:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2025-03-17 15:51:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2025-03-17 15:51:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-17 15:51:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2025-03-17 15:51:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-03-17 15:51:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-03-17 15:51:58,027 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 15:51:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 15:51:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 15:51:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 15:51:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 15:51:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 15:51:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 15:51:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 15:51:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-17 15:51:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-17 15:51:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-17 15:51:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-17 15:51:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-17 15:51:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-17 15:51:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-17 15:51:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2025-03-17 15:51:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2025-03-17 15:51:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2025-03-17 15:51:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2025-03-17 15:51:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2025-03-17 15:51:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2025-03-17 15:51:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-17 15:51:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-17 15:51:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:51:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:51:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2025-03-17 15:51:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2025-03-17 15:51:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2025-03-17 15:51:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2025-03-17 15:51:58,374 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:51:58,377 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:51:58,450 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-17 15:51:58,454 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4393: havoc #t~nondet473; [2025-03-17 15:51:58,467 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4333: havoc #t~nondet465; [2025-03-17 15:51:58,882 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2802: havoc #t~bitwise25; [2025-03-17 15:51:58,948 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4385: havoc #t~nondet471; [2025-03-17 15:51:58,982 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2923: havoc #t~mem38.base, #t~mem38.offset; [2025-03-17 15:51:59,100 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3054: havoc #t~mem89; [2025-03-17 15:52:04,114 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3817: havoc analog_init_masks_#t~mem383#1;havoc analog_init_masks_#t~mem384#1;havoc analog_init_masks_#t~short385#1;call ULTIMATE.dealloc(analog_init_masks_~#max~0#1.base, analog_init_masks_~#max~0#1.offset);havoc analog_init_masks_~#max~0#1.base, analog_init_masks_~#max~0#1.offset; [2025-03-17 15:52:04,115 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4352: havoc input_register_device_#t~nondet466#1; [2025-03-17 15:52:04,115 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4365: havoc ldv_bind_1_#t~nondet468#1; [2025-03-17 15:52:04,115 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4375: havoc ldv_release_1_#t~nondet469#1; [2025-03-17 15:52:04,116 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4048: call ULTIMATE.dealloc(analog_parse_options_~#end~0#1.base, analog_parse_options_~#end~0#1.offset);havoc analog_parse_options_~#end~0#1.base, analog_parse_options_~#end~0#1.offset; [2025-03-17 15:52:04,117 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2934: havoc input_allocate_device_#t~ret39#1.base, input_allocate_device_#t~ret39#1.offset; [2025-03-17 15:52:04,117 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4323: havoc __gameport_register_driver_#t~nondet464#1; [2025-03-17 15:52:04,117 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4389: havoc simple_strtoul_#t~nondet472#1; [2025-03-17 15:52:04,496 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3307: havoc #t~mem164;call ULTIMATE.dealloc(~#time~0.base, ~#time~0.offset);havoc ~#time~0.base, ~#time~0.offset;call ULTIMATE.dealloc(~#data~0.base, ~#data~0.offset);havoc ~#data~0.base, ~#data~0.offset; [2025-03-17 15:52:04,791 INFO L? ?]: Removed 995 outVars from TransFormulas that were not future-live. [2025-03-17 15:52:04,792 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:52:04,867 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:52:04,867 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:52:04,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:52:04 BoogieIcfgContainer [2025-03-17 15:52:04,868 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:52:04,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:52:04,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:52:04,872 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:52:04,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:51:56" (1/3) ... [2025-03-17 15:52:04,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287caeeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:52:04, skipping insertion in model container [2025-03-17 15:52:04,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:51:57" (2/3) ... [2025-03-17 15:52:04,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287caeeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:52:04, skipping insertion in model container [2025-03-17 15:52:04,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:52:04" (3/3) ... [2025-03-17 15:52:04,874 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 [2025-03-17 15:52:04,883 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:52:04,885 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, 1358 locations, 1 initial locations, 3 loop locations, and 235 error locations. [2025-03-17 15:52:04,941 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:52:04,951 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;@5f80cfa6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:52:04,953 INFO L334 AbstractCegarLoop]: Starting to check reachability of 235 error locations. [2025-03-17 15:52:04,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 1357 states, 939 states have (on average 1.5857294994675186) internal successors, (1489), 1190 states have internal predecessors, (1489), 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) [2025-03-17 15:52:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-17 15:52:04,963 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:04,964 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:52:04,964 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:04,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:04,967 INFO L85 PathProgramCache]: Analyzing trace with hash 872894718, now seen corresponding path program 1 times [2025-03-17 15:52:04,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:04,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166696111] [2025-03-17 15:52:04,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:04,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:05,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 15:52:05,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 15:52:05,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:05,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:52:05,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:05,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166696111] [2025-03-17 15:52:05,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166696111] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:52:05,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:52:05,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:52:05,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614557735] [2025-03-17 15:52:05,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:52:05,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:52:05,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:05,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:52:05,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:52:05,830 INFO L87 Difference]: Start difference. First operand has 1357 states, 939 states have (on average 1.5857294994675186) internal successors, (1489), 1190 states have internal predecessors, (1489), 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 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2025-03-17 15:52:06,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:06,554 INFO L93 Difference]: Finished difference Result 2748 states and 3614 transitions. [2025-03-17 15:52:06,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:52:06,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2025-03-17 15:52:06,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:06,570 INFO L225 Difference]: With dead ends: 2748 [2025-03-17 15:52:06,570 INFO L226 Difference]: Without dead ends: 1373 [2025-03-17 15:52:06,581 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 [2025-03-17 15:52:06,583 INFO L435 NwaCegarLoop]: 1627 mSDtfsCounter, 80 mSDsluCounter, 1609 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 3236 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:06,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 3236 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:52:06,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2025-03-17 15:52:06,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1367. [2025-03-17 15:52:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1367 states, 973 states have (on average 1.5416238437821173) internal successors, (1500), 1195 states have internal predecessors, (1500), 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) [2025-03-17 15:52:06,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1770 transitions. [2025-03-17 15:52:06,675 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1770 transitions. Word has length 16 [2025-03-17 15:52:06,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:06,676 INFO L471 AbstractCegarLoop]: Abstraction has 1367 states and 1770 transitions. [2025-03-17 15:52:06,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2025-03-17 15:52:06,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1770 transitions. [2025-03-17 15:52:06,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-17 15:52:06,677 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:06,677 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:52:06,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 15:52:06,678 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:06,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:06,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1237201694, now seen corresponding path program 1 times [2025-03-17 15:52:06,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:06,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543904080] [2025-03-17 15:52:06,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:06,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:07,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-17 15:52:07,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-17 15:52:07,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:07,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:07,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:52:07,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:07,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543904080] [2025-03-17 15:52:07,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543904080] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:52:07,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:52:07,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:52:07,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907211204] [2025-03-17 15:52:07,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:52:07,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:52:07,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:07,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:52:07,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:52:07,423 INFO L87 Difference]: Start difference. First operand 1367 states and 1770 transitions. Second operand has 3 states, 2 states have (on average 8.0) 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) [2025-03-17 15:52:08,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:08,209 INFO L93 Difference]: Finished difference Result 2767 states and 3598 transitions. [2025-03-17 15:52:08,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:52:08,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) 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 [2025-03-17 15:52:08,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:08,218 INFO L225 Difference]: With dead ends: 2767 [2025-03-17 15:52:08,219 INFO L226 Difference]: Without dead ends: 1413 [2025-03-17 15:52:08,222 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 [2025-03-17 15:52:08,222 INFO L435 NwaCegarLoop]: 1592 mSDtfsCounter, 24 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3177 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:08,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3177 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 15:52:08,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2025-03-17 15:52:08,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1411. [2025-03-17 15:52:08,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1015 states have (on average 1.534975369458128) internal successors, (1558), 1237 states have internal predecessors, (1558), 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) [2025-03-17 15:52:08,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1832 transitions. [2025-03-17 15:52:08,272 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1832 transitions. Word has length 18 [2025-03-17 15:52:08,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:08,273 INFO L471 AbstractCegarLoop]: Abstraction has 1411 states and 1832 transitions. [2025-03-17 15:52:08,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) 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) [2025-03-17 15:52:08,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1832 transitions. [2025-03-17 15:52:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-17 15:52:08,274 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:08,274 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] [2025-03-17 15:52:08,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 15:52:08,274 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:08,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:08,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1814740443, now seen corresponding path program 1 times [2025-03-17 15:52:08,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:08,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946957556] [2025-03-17 15:52:08,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:08,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:08,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-17 15:52:08,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-17 15:52:08,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:08,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:08,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:52:08,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:08,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946957556] [2025-03-17 15:52:08,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946957556] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:52:08,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:52:08,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:52:08,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439149787] [2025-03-17 15:52:08,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:52:08,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:52:08,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:08,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:52:08,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:52:08,778 INFO L87 Difference]: Start difference. First operand 1411 states and 1832 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2025-03-17 15:52:09,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:09,461 INFO L93 Difference]: Finished difference Result 1441 states and 1876 transitions. [2025-03-17 15:52:09,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:52:09,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 21 [2025-03-17 15:52:09,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:09,468 INFO L225 Difference]: With dead ends: 1441 [2025-03-17 15:52:09,468 INFO L226 Difference]: Without dead ends: 1439 [2025-03-17 15:52:09,469 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 [2025-03-17 15:52:09,469 INFO L435 NwaCegarLoop]: 1600 mSDtfsCounter, 3 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3195 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:09,469 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3195 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:52:09,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2025-03-17 15:52:09,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1435. [2025-03-17 15:52:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1435 states, 1039 states have (on average 1.530317613089509) internal successors, (1590), 1261 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) [2025-03-17 15:52:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1864 transitions. [2025-03-17 15:52:09,508 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1864 transitions. Word has length 21 [2025-03-17 15:52:09,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:09,509 INFO L471 AbstractCegarLoop]: Abstraction has 1435 states and 1864 transitions. [2025-03-17 15:52:09,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2025-03-17 15:52:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1864 transitions. [2025-03-17 15:52:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-03-17 15:52:09,510 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:09,510 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] [2025-03-17 15:52:09,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 15:52:09,510 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:09,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:09,511 INFO L85 PathProgramCache]: Analyzing trace with hash -164616867, now seen corresponding path program 1 times [2025-03-17 15:52:09,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:09,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746167831] [2025-03-17 15:52:09,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:09,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:09,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 15:52:09,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 15:52:09,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:09,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:52:10,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:10,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746167831] [2025-03-17 15:52:10,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746167831] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:10,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669243618] [2025-03-17 15:52:10,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:10,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:10,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:10,062 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:52:10,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 15:52:10,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-17 15:52:10,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-17 15:52:10,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:10,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:10,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:52:10,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:52:10,963 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:52:10,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669243618] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:52:10,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:52:10,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-17 15:52:10,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208577409] [2025-03-17 15:52:10,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:52:10,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:52:10,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:10,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:52:10,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:52:10,964 INFO L87 Difference]: Start difference. First operand 1435 states and 1864 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2025-03-17 15:52:11,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:11,682 INFO L93 Difference]: Finished difference Result 1437 states and 1864 transitions. [2025-03-17 15:52:11,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:52:11,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 22 [2025-03-17 15:52:11,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:11,687 INFO L225 Difference]: With dead ends: 1437 [2025-03-17 15:52:11,687 INFO L226 Difference]: Without dead ends: 1435 [2025-03-17 15:52:11,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:52:11,688 INFO L435 NwaCegarLoop]: 1604 mSDtfsCounter, 48 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 3189 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:11,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 3189 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 15:52:11,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2025-03-17 15:52:11,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1433. [2025-03-17 15:52:11,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1433 states, 1039 states have (on average 1.5264677574590952) internal successors, (1586), 1259 states have internal predecessors, (1586), 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) [2025-03-17 15:52:11,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 1860 transitions. [2025-03-17 15:52:11,715 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 1860 transitions. Word has length 22 [2025-03-17 15:52:11,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:11,715 INFO L471 AbstractCegarLoop]: Abstraction has 1433 states and 1860 transitions. [2025-03-17 15:52:11,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2025-03-17 15:52:11,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1860 transitions. [2025-03-17 15:52:11,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-17 15:52:11,716 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:11,716 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] [2025-03-17 15:52:11,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 15:52:11,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:11,917 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:11,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:11,917 INFO L85 PathProgramCache]: Analyzing trace with hash -808154892, now seen corresponding path program 1 times [2025-03-17 15:52:11,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:11,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830875154] [2025-03-17 15:52:11,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:11,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:12,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-17 15:52:12,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-17 15:52:12,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:12,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:12,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 15:52:12,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:12,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830875154] [2025-03-17 15:52:12,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830875154] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:52:12,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:52:12,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:52:12,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487977039] [2025-03-17 15:52:12,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:52:12,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:52:12,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:12,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:52:12,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:52:12,367 INFO L87 Difference]: Start difference. First operand 1433 states and 1860 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) [2025-03-17 15:52:13,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:13,005 INFO L93 Difference]: Finished difference Result 1435 states and 1860 transitions. [2025-03-17 15:52:13,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:52:13,006 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 [2025-03-17 15:52:13,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:13,010 INFO L225 Difference]: With dead ends: 1435 [2025-03-17 15:52:13,011 INFO L226 Difference]: Without dead ends: 1434 [2025-03-17 15:52:13,011 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 [2025-03-17 15:52:13,013 INFO L435 NwaCegarLoop]: 1589 mSDtfsCounter, 24 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3174 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:13,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3174 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:52:13,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2025-03-17 15:52:13,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1426. [2025-03-17 15:52:13,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1033 states have (on average 1.5275895450145207) internal successors, (1578), 1252 states have internal predecessors, (1578), 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) [2025-03-17 15:52:13,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1852 transitions. [2025-03-17 15:52:13,042 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1852 transitions. Word has length 23 [2025-03-17 15:52:13,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:13,042 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 1852 transitions. [2025-03-17 15:52:13,042 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) [2025-03-17 15:52:13,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1852 transitions. [2025-03-17 15:52:13,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-17 15:52:13,043 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:13,043 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] [2025-03-17 15:52:13,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 15:52:13,043 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:13,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:13,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1598228214, now seen corresponding path program 1 times [2025-03-17 15:52:13,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:13,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304199202] [2025-03-17 15:52:13,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:13,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:13,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 15:52:13,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 15:52:13,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:13,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:13,543 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:52:13,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:13,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304199202] [2025-03-17 15:52:13,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304199202] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:13,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469734566] [2025-03-17 15:52:13,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:13,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:13,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:13,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:52:13,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 15:52:14,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 15:52:14,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 15:52:14,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:14,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:14,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:52:14,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:52:14,397 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:52:14,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469734566] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:52:14,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:52:14,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-17 15:52:14,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547935284] [2025-03-17 15:52:14,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:52:14,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:52:14,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:14,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:52:14,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:52:14,398 INFO L87 Difference]: Start difference. First operand 1426 states and 1852 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2025-03-17 15:52:15,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:15,291 INFO L93 Difference]: Finished difference Result 1430 states and 1856 transitions. [2025-03-17 15:52:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:52:15,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 27 [2025-03-17 15:52:15,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:15,296 INFO L225 Difference]: With dead ends: 1430 [2025-03-17 15:52:15,296 INFO L226 Difference]: Without dead ends: 1429 [2025-03-17 15:52:15,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:52:15,297 INFO L435 NwaCegarLoop]: 1598 mSDtfsCounter, 5 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4779 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:15,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4779 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 15:52:15,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2025-03-17 15:52:15,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1425. [2025-03-17 15:52:15,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 1033 states have (on average 1.5237173281703775) internal successors, (1574), 1251 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) [2025-03-17 15:52:15,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1848 transitions. [2025-03-17 15:52:15,320 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1848 transitions. Word has length 27 [2025-03-17 15:52:15,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:15,320 INFO L471 AbstractCegarLoop]: Abstraction has 1425 states and 1848 transitions. [2025-03-17 15:52:15,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2025-03-17 15:52:15,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1848 transitions. [2025-03-17 15:52:15,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-17 15:52:15,321 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:15,321 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] [2025-03-17 15:52:15,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 15:52:15,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-03-17 15:52:15,525 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:15,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:15,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1994533644, now seen corresponding path program 1 times [2025-03-17 15:52:15,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:15,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763919980] [2025-03-17 15:52:15,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:15,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:15,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-17 15:52:15,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-17 15:52:15,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:15,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:52:16,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:16,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763919980] [2025-03-17 15:52:16,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763919980] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:16,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615912483] [2025-03-17 15:52:16,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:16,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:16,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:16,052 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:52:16,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 15:52:16,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-17 15:52:16,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-17 15:52:16,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:16,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:16,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:52:16,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:16,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:52:16,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:52:17,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615912483] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:17,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:17,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-17 15:52:17,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630695492] [2025-03-17 15:52:17,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:17,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:52:17,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:17,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:52:17,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:52:17,002 INFO L87 Difference]: Start difference. First operand 1425 states and 1848 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 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) [2025-03-17 15:52:18,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:18,119 INFO L93 Difference]: Finished difference Result 1514 states and 1972 transitions. [2025-03-17 15:52:18,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:52:18,120 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 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 28 [2025-03-17 15:52:18,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:18,124 INFO L225 Difference]: With dead ends: 1514 [2025-03-17 15:52:18,124 INFO L226 Difference]: Without dead ends: 1513 [2025-03-17 15:52:18,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:52:18,126 INFO L435 NwaCegarLoop]: 1596 mSDtfsCounter, 10 mSDsluCounter, 4782 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6378 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:18,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 6378 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-17 15:52:18,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2025-03-17 15:52:18,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1497. [2025-03-17 15:52:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 1105 states have (on average 1.51131221719457) internal successors, (1670), 1323 states have internal predecessors, (1670), 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) [2025-03-17 15:52:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 1944 transitions. [2025-03-17 15:52:18,151 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 1944 transitions. Word has length 28 [2025-03-17 15:52:18,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:18,151 INFO L471 AbstractCegarLoop]: Abstraction has 1497 states and 1944 transitions. [2025-03-17 15:52:18,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 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) [2025-03-17 15:52:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1944 transitions. [2025-03-17 15:52:18,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-17 15:52:18,152 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:18,152 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] [2025-03-17 15:52:18,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 15:52:18,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:18,358 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:18,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:18,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1834667953, now seen corresponding path program 1 times [2025-03-17 15:52:18,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:18,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018498687] [2025-03-17 15:52:18,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:18,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:18,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 15:52:18,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 15:52:18,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:18,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:52:18,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:18,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018498687] [2025-03-17 15:52:18,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018498687] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:18,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89419936] [2025-03-17 15:52:18,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:18,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:18,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:18,808 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:52:18,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 15:52:19,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 15:52:19,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 15:52:19,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:19,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:19,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 1337 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:52:19,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:19,699 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:52:19,699 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:52:19,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89419936] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:19,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:19,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-17 15:52:19,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384664728] [2025-03-17 15:52:19,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:19,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:52:19,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:19,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:52:19,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:52:19,842 INFO L87 Difference]: Start difference. First operand 1497 states and 1944 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 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) [2025-03-17 15:52:20,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:20,615 INFO L93 Difference]: Finished difference Result 3255 states and 4252 transitions. [2025-03-17 15:52:20,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:52:20,615 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 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 [2025-03-17 15:52:20,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:20,620 INFO L225 Difference]: With dead ends: 3255 [2025-03-17 15:52:20,620 INFO L226 Difference]: Without dead ends: 1771 [2025-03-17 15:52:20,622 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 [2025-03-17 15:52:20,623 INFO L435 NwaCegarLoop]: 1587 mSDtfsCounter, 130 mSDsluCounter, 3211 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 4798 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:20,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 4798 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 15:52:20,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2025-03-17 15:52:20,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1757. [2025-03-17 15:52:20,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1757 states, 1359 states have (on average 1.481972038263429) internal successors, (2014), 1577 states have internal predecessors, (2014), 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) [2025-03-17 15:52:20,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 2300 transitions. [2025-03-17 15:52:20,652 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 2300 transitions. Word has length 30 [2025-03-17 15:52:20,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:20,652 INFO L471 AbstractCegarLoop]: Abstraction has 1757 states and 2300 transitions. [2025-03-17 15:52:20,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 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) [2025-03-17 15:52:20,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2300 transitions. [2025-03-17 15:52:20,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-17 15:52:20,654 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:20,654 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] [2025-03-17 15:52:20,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 15:52:20,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:20,855 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:20,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:20,856 INFO L85 PathProgramCache]: Analyzing trace with hash -353434760, now seen corresponding path program 1 times [2025-03-17 15:52:20,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:20,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385605647] [2025-03-17 15:52:20,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:20,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:21,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 15:52:21,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 15:52:21,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:21,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:21,270 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-17 15:52:21,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:21,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385605647] [2025-03-17 15:52:21,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385605647] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:52:21,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:52:21,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:52:21,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630404459] [2025-03-17 15:52:21,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:52:21,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:52:21,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:21,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:52:21,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:52:21,271 INFO L87 Difference]: Start difference. First operand 1757 states and 2300 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2025-03-17 15:52:25,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 15:52:25,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:25,876 INFO L93 Difference]: Finished difference Result 3752 states and 4932 transitions. [2025-03-17 15:52:25,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:52:25,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 43 [2025-03-17 15:52:25,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:25,884 INFO L225 Difference]: With dead ends: 3752 [2025-03-17 15:52:25,886 INFO L226 Difference]: Without dead ends: 2008 [2025-03-17 15:52:25,889 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 [2025-03-17 15:52:25,891 INFO L435 NwaCegarLoop]: 1664 mSDtfsCounter, 79 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:25,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 3242 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 202 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-03-17 15:52:25,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2025-03-17 15:52:25,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 2006. [2025-03-17 15:52:25,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2006 states, 1602 states have (on average 1.4637952559300873) internal successors, (2345), 1820 states have internal predecessors, (2345), 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) [2025-03-17 15:52:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 2006 states and 2641 transitions. [2025-03-17 15:52:25,933 INFO L78 Accepts]: Start accepts. Automaton has 2006 states and 2641 transitions. Word has length 43 [2025-03-17 15:52:25,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:25,935 INFO L471 AbstractCegarLoop]: Abstraction has 2006 states and 2641 transitions. [2025-03-17 15:52:25,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2025-03-17 15:52:25,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2641 transitions. [2025-03-17 15:52:25,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-17 15:52:25,935 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:25,936 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] [2025-03-17 15:52:25,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 15:52:25,936 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:25,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:25,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1929903700, now seen corresponding path program 1 times [2025-03-17 15:52:25,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:25,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073843253] [2025-03-17 15:52:25,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:25,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:26,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 15:52:26,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 15:52:26,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:26,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:26,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:52:26,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:26,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073843253] [2025-03-17 15:52:26,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073843253] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:52:26,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:52:26,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:52:26,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600487238] [2025-03-17 15:52:26,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:52:26,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:52:26,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:26,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:52:26,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:52:26,368 INFO L87 Difference]: Start difference. First operand 2006 states and 2641 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2025-03-17 15:52:26,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:26,810 INFO L93 Difference]: Finished difference Result 2513 states and 3327 transitions. [2025-03-17 15:52:26,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:52:26,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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 44 [2025-03-17 15:52:26,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:26,818 INFO L225 Difference]: With dead ends: 2513 [2025-03-17 15:52:26,818 INFO L226 Difference]: Without dead ends: 2511 [2025-03-17 15:52:26,819 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 [2025-03-17 15:52:26,819 INFO L435 NwaCegarLoop]: 1599 mSDtfsCounter, 63 mSDsluCounter, 1589 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 3188 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:26,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 3188 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:52:26,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2025-03-17 15:52:26,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2509. [2025-03-17 15:52:26,850 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) [2025-03-17 15:52:26,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 3325 transitions. [2025-03-17 15:52:26,854 INFO L78 Accepts]: Start accepts. Automaton has 2509 states and 3325 transitions. Word has length 44 [2025-03-17 15:52:26,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:26,855 INFO L471 AbstractCegarLoop]: Abstraction has 2509 states and 3325 transitions. [2025-03-17 15:52:26,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2025-03-17 15:52:26,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 3325 transitions. [2025-03-17 15:52:26,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-17 15:52:26,856 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:26,856 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] [2025-03-17 15:52:26,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 15:52:26,856 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:26,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:26,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1417049411, now seen corresponding path program 2 times [2025-03-17 15:52:26,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:26,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870814337] [2025-03-17 15:52:26,857 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:52:26,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:27,143 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-03-17 15:52:27,164 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 22 of 46 statements. [2025-03-17 15:52:27,165 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 15:52:27,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:31,699 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:52:31,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:31,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870814337] [2025-03-17 15:52:31,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870814337] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:31,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173065821] [2025-03-17 15:52:31,700 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:52:31,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:31,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:31,702 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:52:31,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 15:52:32,422 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-03-17 15:52:32,517 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 22 of 46 statements. [2025-03-17 15:52:32,518 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-17 15:52:32,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:32,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 1324 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:52:32,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-17 15:52:32,978 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:52:32,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173065821] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:52:32,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:52:32,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 7 [2025-03-17 15:52:32,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098173429] [2025-03-17 15:52:32,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:52:32,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:52:32,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:32,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:52:32,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:52:32,979 INFO L87 Difference]: Start difference. First operand 2509 states and 3325 transitions. Second operand has 4 states, 4 states have (on average 5.25) 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) [2025-03-17 15:52:37,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 15:52:38,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:38,370 INFO L93 Difference]: Finished difference Result 3946 states and 5183 transitions. [2025-03-17 15:52:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:52:38,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) 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 46 [2025-03-17 15:52:38,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:38,376 INFO L225 Difference]: With dead ends: 3946 [2025-03-17 15:52:38,376 INFO L226 Difference]: Without dead ends: 1450 [2025-03-17 15:52:38,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:52:38,380 INFO L435 NwaCegarLoop]: 1571 mSDtfsCounter, 1662 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 2874 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:38,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1662 Valid, 2874 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 459 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2025-03-17 15:52:38,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2025-03-17 15:52:38,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1450. [2025-03-17 15:52:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 1061 states have (on average 1.5051837888784165) internal successors, (1597), 1277 states have internal predecessors, (1597), 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) [2025-03-17 15:52:38,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 1867 transitions. [2025-03-17 15:52:38,408 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 1867 transitions. Word has length 46 [2025-03-17 15:52:38,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:38,408 INFO L471 AbstractCegarLoop]: Abstraction has 1450 states and 1867 transitions. [2025-03-17 15:52:38,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) 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) [2025-03-17 15:52:38,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1867 transitions. [2025-03-17 15:52:38,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-03-17 15:52:38,409 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:38,409 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] [2025-03-17 15:52:38,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 15:52:38,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-17 15:52:38,610 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:38,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:38,611 INFO L85 PathProgramCache]: Analyzing trace with hash -646170026, now seen corresponding path program 1 times [2025-03-17 15:52:38,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:38,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846327154] [2025-03-17 15:52:38,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:38,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:38,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 15:52:39,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 15:52:39,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:39,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:52:39,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:39,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846327154] [2025-03-17 15:52:39,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846327154] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:39,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340811065] [2025-03-17 15:52:39,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:39,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:39,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:39,128 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:52:39,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 15:52:39,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-17 15:52:39,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-17 15:52:39,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:39,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:39,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:52:39,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:52:40,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-17 15:52:40,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340811065] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:40,171 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:40,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2025-03-17 15:52:40,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714595990] [2025-03-17 15:52:40,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:40,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:52:40,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:40,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:52:40,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:52:40,172 INFO L87 Difference]: Start difference. First operand 1450 states and 1867 transitions. Second operand has 10 states, 10 states have (on average 9.4) internal successors, (94), 10 states have internal predecessors, (94), 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) [2025-03-17 15:52:44,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 15:52:46,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:46,923 INFO L93 Difference]: Finished difference Result 4369 states and 5633 transitions. [2025-03-17 15:52:46,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-17 15:52:46,924 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 10 states have internal predecessors, (94), 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 54 [2025-03-17 15:52:46,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:46,932 INFO L225 Difference]: With dead ends: 4369 [2025-03-17 15:52:46,932 INFO L226 Difference]: Without dead ends: 2932 [2025-03-17 15:52:46,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2025-03-17 15:52:46,935 INFO L435 NwaCegarLoop]: 1617 mSDtfsCounter, 1725 mSDsluCounter, 9294 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 10911 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:46,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 10911 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1058 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2025-03-17 15:52:46,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2025-03-17 15:52:46,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 2728. [2025-03-17 15:52:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2728 states, 2165 states have (on average 1.4836027713625866) internal successors, (3212), 2391 states have internal predecessors, (3212), 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) [2025-03-17 15:52:46,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 3744 transitions. [2025-03-17 15:52:46,986 INFO L78 Accepts]: Start accepts. Automaton has 2728 states and 3744 transitions. Word has length 54 [2025-03-17 15:52:46,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:46,986 INFO L471 AbstractCegarLoop]: Abstraction has 2728 states and 3744 transitions. [2025-03-17 15:52:46,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 10 states have internal predecessors, (94), 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) [2025-03-17 15:52:46,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3744 transitions. [2025-03-17 15:52:46,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-17 15:52:46,987 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:46,987 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] [2025-03-17 15:52:46,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-17 15:52:47,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:47,187 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:47,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:47,188 INFO L85 PathProgramCache]: Analyzing trace with hash 377181703, now seen corresponding path program 1 times [2025-03-17 15:52:47,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:47,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859690880] [2025-03-17 15:52:47,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:47,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:47,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:52:47,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:52:47,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:47,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:47,711 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-03-17 15:52:47,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:47,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859690880] [2025-03-17 15:52:47,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859690880] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:52:47,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703703729] [2025-03-17 15:52:47,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:47,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:47,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:52:47,714 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:52:47,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 15:52:48,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:52:48,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:52:48,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:48,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:48,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:52:48,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:52:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 8 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:52:49,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:52:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 4 proven. 66 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-17 15:52:49,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703703729] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:52:49,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:52:49,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 9, 9] total 18 [2025-03-17 15:52:49,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319011320] [2025-03-17 15:52:49,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:52:49,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 15:52:49,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:49,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 15:52:49,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:52:49,588 INFO L87 Difference]: Start difference. First operand 2728 states and 3744 transitions. Second operand has 18 states, 18 states have (on average 7.111111111111111) internal successors, (128), 18 states have internal predecessors, (128), 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) [2025-03-17 15:52:54,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:54,393 INFO L93 Difference]: Finished difference Result 7297 states and 9836 transitions. [2025-03-17 15:52:54,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-17 15:52:54,393 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.111111111111111) internal successors, (128), 18 states have internal predecessors, (128), 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 71 [2025-03-17 15:52:54,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:54,407 INFO L225 Difference]: With dead ends: 7297 [2025-03-17 15:52:54,407 INFO L226 Difference]: Without dead ends: 4582 [2025-03-17 15:52:54,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=720, Invalid=1350, Unknown=0, NotChecked=0, Total=2070 [2025-03-17 15:52:54,413 INFO L435 NwaCegarLoop]: 1565 mSDtfsCounter, 1783 mSDsluCounter, 12226 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 13791 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:54,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1783 Valid, 13791 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1226 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-03-17 15:52:54,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2025-03-17 15:52:54,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4379. [2025-03-17 15:52:54,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4379 states, 3638 states have (on average 1.431830676195712) internal successors, (5209), 3874 states have internal predecessors, (5209), 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) [2025-03-17 15:52:54,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4379 states to 4379 states and 6007 transitions. [2025-03-17 15:52:54,508 INFO L78 Accepts]: Start accepts. Automaton has 4379 states and 6007 transitions. Word has length 71 [2025-03-17 15:52:54,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:52:54,508 INFO L471 AbstractCegarLoop]: Abstraction has 4379 states and 6007 transitions. [2025-03-17 15:52:54,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.111111111111111) internal successors, (128), 18 states have internal predecessors, (128), 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) [2025-03-17 15:52:54,508 INFO L276 IsEmpty]: Start isEmpty. Operand 4379 states and 6007 transitions. [2025-03-17 15:52:54,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-03-17 15:52:54,509 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:52:54,509 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] [2025-03-17 15:52:54,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 15:52:54,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:52:54,710 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting analog_disconnectErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:52:54,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:52:54,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1272611666, now seen corresponding path program 1 times [2025-03-17 15:52:54,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:52:54,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464861914] [2025-03-17 15:52:54,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:52:54,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:52:55,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-03-17 15:52:55,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-03-17 15:52:55,035 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:52:55,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:52:55,146 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2025-03-17 15:52:55,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:52:55,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464861914] [2025-03-17 15:52:55,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464861914] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:52:55,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:52:55,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:52:55,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958491893] [2025-03-17 15:52:55,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:52:55,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:52:55,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:52:55,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:52:55,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:52:55,148 INFO L87 Difference]: Start difference. First operand 4379 states and 6007 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2025-03-17 15:52:59,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 15:52:59,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:52:59,869 INFO L93 Difference]: Finished difference Result 8984 states and 12287 transitions. [2025-03-17 15:52:59,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:52:59,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 115 [2025-03-17 15:52:59,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:52:59,893 INFO L225 Difference]: With dead ends: 8984 [2025-03-17 15:52:59,893 INFO L226 Difference]: Without dead ends: 4793 [2025-03-17 15:52:59,901 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 [2025-03-17 15:52:59,902 INFO L435 NwaCegarLoop]: 1665 mSDtfsCounter, 1628 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1628 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:52:59,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1628 Valid, 1783 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 110 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-03-17 15:52:59,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4793 states. [2025-03-17 15:52:59,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4793 to 4787. [2025-03-17 15:53:00,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4787 states, 3995 states have (on average 1.4090112640801) internal successors, (5629), 4231 states have internal predecessors, (5629), 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) [2025-03-17 15:53:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 6475 transitions. [2025-03-17 15:53:00,016 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 6475 transitions. Word has length 115 [2025-03-17 15:53:00,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:53:00,016 INFO L471 AbstractCegarLoop]: Abstraction has 4787 states and 6475 transitions. [2025-03-17 15:53:00,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2025-03-17 15:53:00,017 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 6475 transitions. [2025-03-17 15:53:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-03-17 15:53:00,019 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:53:00,019 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] [2025-03-17 15:53:00,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-17 15:53:00,019 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:53:00,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:53:00,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1358738114, now seen corresponding path program 1 times [2025-03-17 15:53:00,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:53:00,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887693168] [2025-03-17 15:53:00,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:53:00,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:53:00,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 15:53:00,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 15:53:00,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:53:00,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:53:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-17 15:53:00,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:53:00,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887693168] [2025-03-17 15:53:00,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887693168] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:53:00,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:53:00,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:53:00,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645573401] [2025-03-17 15:53:00,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:53:00,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:53:00,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:53:00,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:53:00,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:53:00,538 INFO L87 Difference]: Start difference. First operand 4787 states and 6475 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2025-03-17 15:53:01,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:53:01,193 INFO L93 Difference]: Finished difference Result 4887 states and 6590 transitions. [2025-03-17 15:53:01,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:53:01,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 113 [2025-03-17 15:53:01,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:53:01,213 INFO L225 Difference]: With dead ends: 4887 [2025-03-17 15:53:01,213 INFO L226 Difference]: Without dead ends: 4885 [2025-03-17 15:53:01,217 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 [2025-03-17 15:53:01,218 INFO L435 NwaCegarLoop]: 1567 mSDtfsCounter, 1710 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1710 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:53:01,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1710 Valid, 1620 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:53:01,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2025-03-17 15:53:01,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 3255. [2025-03-17 15:53:01,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3255 states, 2660 states have (on average 1.4082706766917292) internal successors, (3746), 2884 states have internal predecessors, (3746), 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) [2025-03-17 15:53:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 3255 states and 4310 transitions. [2025-03-17 15:53:01,301 INFO L78 Accepts]: Start accepts. Automaton has 3255 states and 4310 transitions. Word has length 113 [2025-03-17 15:53:01,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:53:01,301 INFO L471 AbstractCegarLoop]: Abstraction has 3255 states and 4310 transitions. [2025-03-17 15:53:01,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2025-03-17 15:53:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 3255 states and 4310 transitions. [2025-03-17 15:53:01,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-17 15:53:01,304 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:53:01,304 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] [2025-03-17 15:53:01,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 15:53:01,304 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:53:01,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:53:01,305 INFO L85 PathProgramCache]: Analyzing trace with hash -2014040503, now seen corresponding path program 1 times [2025-03-17 15:53:01,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:53:01,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197438495] [2025-03-17 15:53:01,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:53:01,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:53:01,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-17 15:53:01,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-17 15:53:01,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:53:01,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:53:01,809 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2025-03-17 15:53:01,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:53:01,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197438495] [2025-03-17 15:53:01,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197438495] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:53:01,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:53:01,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:53:01,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018881429] [2025-03-17 15:53:01,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:53:01,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:53:01,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:53:01,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:53:01,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:53:01,810 INFO L87 Difference]: Start difference. First operand 3255 states and 4310 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2025-03-17 15:53:02,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:53:02,395 INFO L93 Difference]: Finished difference Result 3255 states and 4310 transitions. [2025-03-17 15:53:02,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:53:02,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 124 [2025-03-17 15:53:02,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:53:02,405 INFO L225 Difference]: With dead ends: 3255 [2025-03-17 15:53:02,405 INFO L226 Difference]: Without dead ends: 3254 [2025-03-17 15:53:02,407 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 [2025-03-17 15:53:02,408 INFO L435 NwaCegarLoop]: 1567 mSDtfsCounter, 1652 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:53:02,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 1567 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:53:02,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2025-03-17 15:53:02,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 3254. [2025-03-17 15:53:02,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3254 states, 2660 states have (on average 1.4078947368421053) internal successors, (3745), 2883 states have internal predecessors, (3745), 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) [2025-03-17 15:53:02,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 4309 transitions. [2025-03-17 15:53:02,487 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 4309 transitions. Word has length 124 [2025-03-17 15:53:02,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:53:02,488 INFO L471 AbstractCegarLoop]: Abstraction has 3254 states and 4309 transitions. [2025-03-17 15:53:02,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2025-03-17 15:53:02,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 4309 transitions. [2025-03-17 15:53:02,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-17 15:53:02,489 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:53:02,489 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] [2025-03-17 15:53:02,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-17 15:53:02,490 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting analog_disconnectErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:53:02,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:53:02,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1759349219, now seen corresponding path program 1 times [2025-03-17 15:53:02,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:53:02,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817104048] [2025-03-17 15:53:02,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:53:02,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:53:02,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-17 15:53:02,831 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-17 15:53:02,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:53:02,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:53:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2025-03-17 15:53:02,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:53:02,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817104048] [2025-03-17 15:53:02,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817104048] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:53:02,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:53:02,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:53:02,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407346266] [2025-03-17 15:53:02,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:53:02,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:53:02,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:53:02,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:53:02,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:53:02,992 INFO L87 Difference]: Start difference. First operand 3254 states and 4309 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2025-03-17 15:53:07,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 15:53:08,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:53:08,311 INFO L93 Difference]: Finished difference Result 8964 states and 12017 transitions. [2025-03-17 15:53:08,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:53:08,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 131 [2025-03-17 15:53:08,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:53:08,324 INFO L225 Difference]: With dead ends: 8964 [2025-03-17 15:53:08,324 INFO L226 Difference]: Without dead ends: 5898 [2025-03-17 15:53:08,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:53:08,329 INFO L435 NwaCegarLoop]: 3132 mSDtfsCounter, 1654 mSDsluCounter, 4693 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1654 SdHoareTripleChecker+Valid, 7825 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:53:08,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1654 Valid, 7825 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 476 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2025-03-17 15:53:08,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5898 states. [2025-03-17 15:53:08,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5898 to 3258. [2025-03-17 15:53:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3258 states, 2664 states have (on average 1.4072822822822824) internal successors, (3749), 2887 states have internal predecessors, (3749), 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) [2025-03-17 15:53:08,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 3258 states and 4313 transitions. [2025-03-17 15:53:08,454 INFO L78 Accepts]: Start accepts. Automaton has 3258 states and 4313 transitions. Word has length 131 [2025-03-17 15:53:08,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:53:08,455 INFO L471 AbstractCegarLoop]: Abstraction has 3258 states and 4313 transitions. [2025-03-17 15:53:08,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2025-03-17 15:53:08,455 INFO L276 IsEmpty]: Start isEmpty. Operand 3258 states and 4313 transitions. [2025-03-17 15:53:08,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-17 15:53:08,456 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:53:08,457 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] [2025-03-17 15:53:08,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-17 15:53:08,457 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:53:08,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:53:08,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1678565998, now seen corresponding path program 1 times [2025-03-17 15:53:08,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:53:08,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955403881] [2025-03-17 15:53:08,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:53:08,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:53:08,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-17 15:53:08,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-17 15:53:08,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:53:08,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:53:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2025-03-17 15:53:09,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:53:09,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955403881] [2025-03-17 15:53:09,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955403881] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:53:09,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:53:09,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:53:09,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209219553] [2025-03-17 15:53:09,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:53:09,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:53:09,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:53:09,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:53:09,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:53:09,012 INFO L87 Difference]: Start difference. First operand 3258 states and 4313 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2025-03-17 15:53:09,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:53:09,614 INFO L93 Difference]: Finished difference Result 6466 states and 8638 transitions. [2025-03-17 15:53:09,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:53:09,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 133 [2025-03-17 15:53:09,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:53:09,623 INFO L225 Difference]: With dead ends: 6466 [2025-03-17 15:53:09,623 INFO L226 Difference]: Without dead ends: 3396 [2025-03-17 15:53:09,628 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 [2025-03-17 15:53:09,628 INFO L435 NwaCegarLoop]: 1570 mSDtfsCounter, 66 mSDsluCounter, 1547 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 3117 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:53:09,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 3117 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:53:09,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3396 states. [2025-03-17 15:53:09,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3396 to 3310. [2025-03-17 15:53:09,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3310 states, 2710 states have (on average 1.4055350553505535) internal successors, (3809), 2933 states have internal predecessors, (3809), 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) [2025-03-17 15:53:09,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 3310 states and 4385 transitions. [2025-03-17 15:53:09,704 INFO L78 Accepts]: Start accepts. Automaton has 3310 states and 4385 transitions. Word has length 133 [2025-03-17 15:53:09,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:53:09,705 INFO L471 AbstractCegarLoop]: Abstraction has 3310 states and 4385 transitions. [2025-03-17 15:53:09,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2025-03-17 15:53:09,705 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 4385 transitions. [2025-03-17 15:53:09,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-03-17 15:53:09,706 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:53:09,707 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:53:09,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-17 15:53:09,707 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:53:09,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:53:09,708 INFO L85 PathProgramCache]: Analyzing trace with hash -201552490, now seen corresponding path program 1 times [2025-03-17 15:53:09,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:53:09,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065444450] [2025-03-17 15:53:09,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:53:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:53:10,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-03-17 15:53:10,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-03-17 15:53:10,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:53:10,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:53:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2025-03-17 15:53:10,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:53:10,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065444450] [2025-03-17 15:53:10,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065444450] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:53:10,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:53:10,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:53:10,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513216328] [2025-03-17 15:53:10,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:53:10,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:53:10,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:53:10,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:53:10,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:53:10,202 INFO L87 Difference]: Start difference. First operand 3310 states and 4385 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-17 15:53:11,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:53:11,152 INFO L93 Difference]: Finished difference Result 6444 states and 8580 transitions. [2025-03-17 15:53:11,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:53:11,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 141 [2025-03-17 15:53:11,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:53:11,161 INFO L225 Difference]: With dead ends: 6444 [2025-03-17 15:53:11,161 INFO L226 Difference]: Without dead ends: 3322 [2025-03-17 15:53:11,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:53:11,167 INFO L435 NwaCegarLoop]: 1575 mSDtfsCounter, 1 mSDsluCounter, 3134 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4709 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:53:11,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4709 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 15:53:11,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2025-03-17 15:53:11,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 3314. [2025-03-17 15:53:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3314 states, 2714 states have (on average 1.404937361827561) internal successors, (3813), 2937 states have internal predecessors, (3813), 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) [2025-03-17 15:53:11,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 4389 transitions. [2025-03-17 15:53:11,237 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 4389 transitions. Word has length 141 [2025-03-17 15:53:11,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:53:11,238 INFO L471 AbstractCegarLoop]: Abstraction has 3314 states and 4389 transitions. [2025-03-17 15:53:11,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-17 15:53:11,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 4389 transitions. [2025-03-17 15:53:11,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-03-17 15:53:11,239 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:53:11,239 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] [2025-03-17 15:53:11,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-17 15:53:11,239 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:53:11,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:53:11,240 INFO L85 PathProgramCache]: Analyzing trace with hash -259195357, now seen corresponding path program 1 times [2025-03-17 15:53:11,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:53:11,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607082038] [2025-03-17 15:53:11,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:53:11,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:53:11,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-17 15:53:11,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-17 15:53:11,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:53:11,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:53:12,554 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 10 proven. 378 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2025-03-17 15:53:12,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:53:12,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607082038] [2025-03-17 15:53:12,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607082038] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:53:12,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137692054] [2025-03-17 15:53:12,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:53:12,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:53:12,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:53:12,557 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:53:12,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 15:53:13,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-17 15:53:13,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-17 15:53:13,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:53:13,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:53:13,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 15:53:13,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:53:13,917 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 14 proven. 378 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-03-17 15:53:13,918 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:53:14,688 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 10 proven. 378 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2025-03-17 15:53:14,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137692054] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:53:14,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:53:14,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 19 [2025-03-17 15:53:14,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91446680] [2025-03-17 15:53:14,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:53:14,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-17 15:53:14,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:53:14,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-17 15:53:14,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:53:14,690 INFO L87 Difference]: Start difference. First operand 3314 states and 4389 transitions. Second operand has 19 states, 19 states have (on average 5.684210526315789) internal successors, (108), 19 states have internal predecessors, (108), 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) [2025-03-17 15:53:15,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:53:15,790 INFO L93 Difference]: Finished difference Result 6695 states and 8864 transitions. [2025-03-17 15:53:15,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 15:53:15,790 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.684210526315789) internal successors, (108), 19 states have internal predecessors, (108), 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 135 [2025-03-17 15:53:15,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:53:15,797 INFO L225 Difference]: With dead ends: 6695 [2025-03-17 15:53:15,797 INFO L226 Difference]: Without dead ends: 3394 [2025-03-17 15:53:15,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 254 SyntacticMatches, 14 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:53:15,803 INFO L435 NwaCegarLoop]: 1568 mSDtfsCounter, 3 mSDsluCounter, 7825 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9393 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:53:15,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9393 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-17 15:53:15,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2025-03-17 15:53:15,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 3394. [2025-03-17 15:53:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3394 states, 2794 states have (on average 1.3933428775948462) internal successors, (3893), 3017 states have internal predecessors, (3893), 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) [2025-03-17 15:53:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 4469 transitions. [2025-03-17 15:53:15,868 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 4469 transitions. Word has length 135 [2025-03-17 15:53:15,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:53:15,869 INFO L471 AbstractCegarLoop]: Abstraction has 3394 states and 4469 transitions. [2025-03-17 15:53:15,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.684210526315789) internal successors, (108), 19 states have internal predecessors, (108), 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) [2025-03-17 15:53:15,869 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 4469 transitions. [2025-03-17 15:53:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-03-17 15:53:15,870 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:53:15,870 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] [2025-03-17 15:53:15,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-17 15:53:16,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:53:16,071 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2025-03-17 15:53:16,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:53:16,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1944915859, now seen corresponding path program 2 times [2025-03-17 15:53:16,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:53:16,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260711855] [2025-03-17 15:53:16,071 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:53:16,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:53:16,479 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 143 statements into 2 equivalence classes. [2025-03-17 15:53:16,524 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 143 of 143 statements. [2025-03-17 15:53:16,524 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:53:16,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:53:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 18 proven. 48 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2025-03-17 15:53:16,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:53:16,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260711855] [2025-03-17 15:53:16,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260711855] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:53:16,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416918548] [2025-03-17 15:53:16,766 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:53:16,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:53:16,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:53:16,767 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:53:16,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 15:53:17,718 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 143 statements into 2 equivalence classes.