./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c9ee75e44352b6ea6b091abc908af4681506ed391b6529699b0d4480d6bf973b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:13:21,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:13:21,605 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-01 23:13:21,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:13:21,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:13:21,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:13:21,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:13:21,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:13:21,631 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:13:21,631 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:13:21,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:13:21,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:13:21,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:13:21,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:13:21,632 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:13:21,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:13:21,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:13:21,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:13:21,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:13:21,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:13:21,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:13:21,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:13:21,633 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-01 23:13:21,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-01 23:13:21,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:13:21,633 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:13:21,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:13:21,634 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:13:21,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:13:21,634 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:13:21,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:13:21,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:21,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:13:21,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:13:21,634 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:13:21,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:13:21,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:21,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:13:21,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:13:21,635 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:13:21,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:13:21,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 23:13:21,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 23:13:21,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:13:21,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:13:21,635 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:13:21,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:13:21,636 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ee75e44352b6ea6b091abc908af4681506ed391b6529699b0d4480d6bf973b [2024-12-01 23:13:21,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:13:21,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:13:21,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:13:21,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:13:21,844 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:13:21,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2024-12-01 23:13:24,486 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/data/2ca13172a/e9572e0fbad74052b260548b094ef58b/FLAG260777fae [2024-12-01 23:13:24,795 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:13:24,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2024-12-01 23:13:24,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/data/2ca13172a/e9572e0fbad74052b260548b094ef58b/FLAG260777fae [2024-12-01 23:13:25,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/data/2ca13172a/e9572e0fbad74052b260548b094ef58b [2024-12-01 23:13:25,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:13:25,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:13:25,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:13:25,046 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:13:25,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:13:25,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:25,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eaec590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25, skipping insertion in model container [2024-12-01 23:13:25,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:25,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:13:25,346 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2024-12-01 23:13:25,347 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2024-12-01 23:13:25,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:13:25,676 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:13:25,730 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2024-12-01 23:13:25,730 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2024-12-01 23:13:25,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2634] [2024-12-01 23:13:25,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight32\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word (4*32+23)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0xf3,0x40,0x0f,0xb8,0xc7\n6641:\n\t.popsection": "=a" (res): "D" (w)); [2643] [2024-12-01 23:13:25,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (179), "i" (12UL)); [2687-2688] [2024-12-01 23:13:25,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c6;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c5\n .byte 772b-771b\n .short %c7\n.popsection\n": "=D" (__edi), "=S" (__esi), "=d" (__edx), "=c" (__ecx), "=a" (__eax): [paravirt_typenum] "i" (34UL), [paravirt_opptr] "i" (& pv_cpu_ops.read_tsc), [paravirt_clobber] "i" (511): "memory", "cc", "r8", "r9", "r10", "r11"); [2693-2696] [2024-12-01 23:13:25,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [2719-2720] [2024-12-01 23:13:25,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [2725-2727] [2024-12-01 23:13:25,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [2749-2750] [2024-12-01 23:13:25,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [2755-2757] [2024-12-01 23:13:25,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [2778-2779] [2024-12-01 23:13:25,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [2784-2786] [2024-12-01 23:13:25,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2810] [2024-12-01 23:13:25,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2818] [2024-12-01 23:13:25,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:13:25,873 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:13:25,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25 WrapperNode [2024-12-01 23:13:25,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:13:25,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:13:25,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:13:25,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:13:25,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:25,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:25,983 INFO L138 Inliner]: procedures = 120, calls = 710, calls flagged for inlining = 41, calls inlined = 39, statements flattened = 2504 [2024-12-01 23:13:25,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:13:25,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:13:25,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:13:25,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:13:25,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:25,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:26,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:26,108 INFO L175 MemorySlicer]: Split 482 memory accesses to 19 slices as follows [2, 28, 22, 3, 1, 2, 18, 7, 21, 23, 6, 9, 9, 1, 5, 3, 252, 51, 19]. 52 percent of accesses are in the largest equivalence class. The 134 initializations are split as follows [2, 0, 0, 0, 0, 0, 18, 7, 16, 16, 4, 6, 4, 0, 3, 0, 7, 51, 0]. The 145 writes are split as follows [0, 24, 22, 0, 0, 1, 0, 0, 0, 5, 0, 0, 0, 0, 0, 1, 75, 0, 17]. [2024-12-01 23:13:26,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:26,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:26,161 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:26,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:26,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:26,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:26,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:26,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:13:26,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:13:26,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:13:26,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:13:26,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (1/1) ... [2024-12-01 23:13:26,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:26,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:26,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:13:26,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:13:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2024-12-01 23:13:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2024-12-01 23:13:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-12-01 23:13:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-12-01 23:13:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2024-12-01 23:13:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2024-12-01 23:13:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-01 23:13:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-01 23:13:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-01 23:13:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-01 23:13:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-01 23:13:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-01 23:13:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-01 23:13:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-01 23:13:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-01 23:13:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2024-12-01 23:13:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-01 23:13:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-01 23:13:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-01 23:13:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-01 23:13:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-01 23:13:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-01 23:13:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-01 23:13:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-01 23:13:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2024-12-01 23:13:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2024-12-01 23:13:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2024-12-01 23:13:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2024-12-01 23:13:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-01 23:13:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-01 23:13:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2024-12-01 23:13:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2024-12-01 23:13:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2024-12-01 23:13:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2024-12-01 23:13:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2024-12-01 23:13:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2024-12-01 23:13:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-01 23:13:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-01 23:13:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-01 23:13:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-01 23:13:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-12-01 23:13:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-12-01 23:13:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2024-12-01 23:13:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2024-12-01 23:13:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-12-01 23:13:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-12-01 23:13:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-01 23:13:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-01 23:13:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-01 23:13:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-01 23:13:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-01 23:13:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-01 23:13:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-01 23:13:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2024-12-01 23:13:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2024-12-01 23:13:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:13:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2024-12-01 23:13:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-01 23:13:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-01 23:13:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-01 23:13:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-01 23:13:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-01 23:13:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-01 23:13:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-01 23:13:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-12-01 23:13:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-12-01 23:13:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2024-12-01 23:13:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2024-12-01 23:13:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-01 23:13:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-01 23:13:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-12-01 23:13:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-12-01 23:13:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2024-12-01 23:13:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2024-12-01 23:13:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-01 23:13:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-01 23:13:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2024-12-01 23:13:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-12-01 23:13:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-12-01 23:13:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2024-12-01 23:13:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2024-12-01 23:13:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-12-01 23:13:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2024-12-01 23:13:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-01 23:13:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-01 23:13:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-01 23:13:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-01 23:13:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-01 23:13:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-01 23:13:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-01 23:13:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-01 23:13:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2024-12-01 23:13:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2024-12-01 23:13:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2024-12-01 23:13:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2024-12-01 23:13:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2024-12-01 23:13:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2024-12-01 23:13:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-01 23:13:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-01 23:13:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2024-12-01 23:13:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2024-12-01 23:13:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-01 23:13:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-01 23:13:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-01 23:13:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-01 23:13:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-01 23:13:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-01 23:13:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2024-12-01 23:13:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2024-12-01 23:13:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-12-01 23:13:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-12-01 23:13:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2024-12-01 23:13:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2024-12-01 23:13:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-01 23:13:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-01 23:13:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:13:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:13:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2024-12-01 23:13:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2024-12-01 23:13:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2024-12-01 23:13:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2024-12-01 23:13:26,667 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:13:26,670 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:13:26,728 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-01 23:13:34,790 INFO L? ?]: Removed 1065 outVars from TransFormulas that were not future-live. [2024-12-01 23:13:34,790 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:13:34,821 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:13:34,821 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-01 23:13:34,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:34 BoogieIcfgContainer [2024-12-01 23:13:34,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:13:34,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:13:34,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:13:34,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:13:34,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:13:25" (1/3) ... [2024-12-01 23:13:34,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15741675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:34, skipping insertion in model container [2024-12-01 23:13:34,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:25" (2/3) ... [2024-12-01 23:13:34,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15741675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:34, skipping insertion in model container [2024-12-01 23:13:34,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:34" (3/3) ... [2024-12-01 23:13:34,830 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2024-12-01 23:13:34,845 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:13:34,849 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i that has 46 procedures, 1379 locations, 1 initial locations, 3 loop locations, and 235 error locations. [2024-12-01 23:13:34,929 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:13:34,941 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;@673df3d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:13:34,941 INFO L334 AbstractCegarLoop]: Starting to check reachability of 235 error locations. [2024-12-01 23:13:34,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 1378 states, 961 states have (on average 1.571279916753382) internal successors, (1510), 1211 states have internal predecessors, (1510), 138 states have call successors, (138), 45 states have call predecessors, (138), 44 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-12-01 23:13:34,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-01 23:13:34,956 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:34,956 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:34,957 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:13:34,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:34,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1458326911, now seen corresponding path program 1 times [2024-12-01 23:13:34,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:34,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007619666] [2024-12-01 23:13:34,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:34,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:35,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:35,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:35,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007619666] [2024-12-01 23:13:35,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007619666] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:35,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:35,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:13:35,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776348720] [2024-12-01 23:13:35,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:35,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:35,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:35,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:35,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:35,981 INFO L87 Difference]: Start difference. First operand has 1378 states, 961 states have (on average 1.571279916753382) internal successors, (1510), 1211 states have internal predecessors, (1510), 138 states have call successors, (138), 45 states have call predecessors, (138), 44 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:36,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:36,195 INFO L93 Difference]: Finished difference Result 2794 states and 3660 transitions. [2024-12-01 23:13:36,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:36,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-12-01 23:13:36,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:36,213 INFO L225 Difference]: With dead ends: 2794 [2024-12-01 23:13:36,213 INFO L226 Difference]: Without dead ends: 1391 [2024-12-01 23:13:36,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:36,223 INFO L435 NwaCegarLoop]: 1740 mSDtfsCounter, 87 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 3460 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:36,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 3460 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:13:36,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2024-12-01 23:13:36,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1385. [2024-12-01 23:13:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 991 states have (on average 1.5317860746720484) internal successors, (1518), 1213 states have internal predecessors, (1518), 135 states have call successors, (135), 46 states have call predecessors, (135), 46 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-12-01 23:13:36,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1788 transitions. [2024-12-01 23:13:36,319 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1788 transitions. Word has length 18 [2024-12-01 23:13:36,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:36,320 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 1788 transitions. [2024-12-01 23:13:36,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1788 transitions. [2024-12-01 23:13:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-01 23:13:36,321 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:36,321 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:36,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-01 23:13:36,321 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:13:36,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:36,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1698291862, now seen corresponding path program 1 times [2024-12-01 23:13:36,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:36,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923826795] [2024-12-01 23:13:36,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:36,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:37,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:37,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:37,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923826795] [2024-12-01 23:13:37,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923826795] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:37,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:37,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:13:37,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919640223] [2024-12-01 23:13:37,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:37,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:37,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:37,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:37,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:37,094 INFO L87 Difference]: Start difference. First operand 1385 states and 1788 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:37,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:37,282 INFO L93 Difference]: Finished difference Result 2798 states and 3629 transitions. [2024-12-01 23:13:37,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:37,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-12-01 23:13:37,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:37,290 INFO L225 Difference]: With dead ends: 2798 [2024-12-01 23:13:37,290 INFO L226 Difference]: Without dead ends: 1429 [2024-12-01 23:13:37,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:37,294 INFO L435 NwaCegarLoop]: 1701 mSDtfsCounter, 23 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3395 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:37,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3395 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:13:37,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2024-12-01 23:13:37,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1427. [2024-12-01 23:13:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1031 states have (on average 1.5266731328806984) internal successors, (1574), 1253 states have internal predecessors, (1574), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-12-01 23:13:37,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 1848 transitions. [2024-12-01 23:13:37,334 INFO L78 Accepts]: Start accepts. Automaton has 1427 states and 1848 transitions. Word has length 20 [2024-12-01 23:13:37,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:37,334 INFO L471 AbstractCegarLoop]: Abstraction has 1427 states and 1848 transitions. [2024-12-01 23:13:37,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:37,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1848 transitions. [2024-12-01 23:13:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-01 23:13:37,335 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:37,335 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:37,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 23:13:37,336 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:13:37,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:37,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1669552336, now seen corresponding path program 1 times [2024-12-01 23:13:37,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:37,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780691009] [2024-12-01 23:13:37,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:37,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:37,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:37,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:37,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780691009] [2024-12-01 23:13:37,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780691009] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:37,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:37,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:13:37,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149357912] [2024-12-01 23:13:37,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:37,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:37,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:37,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:37,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:37,948 INFO L87 Difference]: Start difference. First operand 1427 states and 1848 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:38,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:38,062 INFO L93 Difference]: Finished difference Result 1457 states and 1892 transitions. [2024-12-01 23:13:38,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:38,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-12-01 23:13:38,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:38,070 INFO L225 Difference]: With dead ends: 1457 [2024-12-01 23:13:38,070 INFO L226 Difference]: Without dead ends: 1455 [2024-12-01 23:13:38,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:38,071 INFO L435 NwaCegarLoop]: 1709 mSDtfsCounter, 3 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3413 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:38,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3413 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:13:38,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2024-12-01 23:13:38,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1451. [2024-12-01 23:13:38,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1055 states have (on average 1.5222748815165876) internal successors, (1606), 1277 states have internal predecessors, (1606), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-12-01 23:13:38,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 1880 transitions. [2024-12-01 23:13:38,139 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 1880 transitions. Word has length 23 [2024-12-01 23:13:38,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:38,140 INFO L471 AbstractCegarLoop]: Abstraction has 1451 states and 1880 transitions. [2024-12-01 23:13:38,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:38,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1880 transitions. [2024-12-01 23:13:38,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-01 23:13:38,140 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:38,140 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:38,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-01 23:13:38,141 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:13:38,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:38,141 INFO L85 PathProgramCache]: Analyzing trace with hash -2023891408, now seen corresponding path program 1 times [2024-12-01 23:13:38,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:38,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120579564] [2024-12-01 23:13:38,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:38,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:38,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:38,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:38,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120579564] [2024-12-01 23:13:38,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120579564] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:13:38,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825716327] [2024-12-01 23:13:38,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:38,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:38,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:38,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:13:38,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-01 23:13:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:39,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:13:39,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:13:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:39,919 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:13:39,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825716327] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:39,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:13:39,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-12-01 23:13:39,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553173188] [2024-12-01 23:13:39,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:39,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:13:39,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:39,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:13:39,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:13:39,920 INFO L87 Difference]: Start difference. First operand 1451 states and 1880 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:40,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:40,115 INFO L93 Difference]: Finished difference Result 1453 states and 1880 transitions. [2024-12-01 23:13:40,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:13:40,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-12-01 23:13:40,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:40,122 INFO L225 Difference]: With dead ends: 1453 [2024-12-01 23:13:40,122 INFO L226 Difference]: Without dead ends: 1451 [2024-12-01 23:13:40,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:13:40,123 INFO L435 NwaCegarLoop]: 1712 mSDtfsCounter, 46 mSDsluCounter, 3374 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 5086 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:40,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 5086 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:13:40,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2024-12-01 23:13:40,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1449. [2024-12-01 23:13:40,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1449 states, 1055 states have (on average 1.5184834123222748) internal successors, (1602), 1275 states have internal predecessors, (1602), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-12-01 23:13:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1876 transitions. [2024-12-01 23:13:40,166 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1876 transitions. Word has length 24 [2024-12-01 23:13:40,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:40,166 INFO L471 AbstractCegarLoop]: Abstraction has 1449 states and 1876 transitions. [2024-12-01 23:13:40,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:40,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1876 transitions. [2024-12-01 23:13:40,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-01 23:13:40,167 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:40,167 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:40,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-01 23:13:40,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:40,367 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:13:40,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:40,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1683878469, now seen corresponding path program 1 times [2024-12-01 23:13:40,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:40,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486222015] [2024-12-01 23:13:40,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:40,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:40,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-01 23:13:40,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:40,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486222015] [2024-12-01 23:13:40,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486222015] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:40,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:40,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:13:40,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628566848] [2024-12-01 23:13:40,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:40,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:40,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:40,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:40,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:40,891 INFO L87 Difference]: Start difference. First operand 1449 states and 1876 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:41,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:41,038 INFO L93 Difference]: Finished difference Result 1451 states and 1876 transitions. [2024-12-01 23:13:41,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:41,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-12-01 23:13:41,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:41,044 INFO L225 Difference]: With dead ends: 1451 [2024-12-01 23:13:41,044 INFO L226 Difference]: Without dead ends: 1450 [2024-12-01 23:13:41,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:41,045 INFO L435 NwaCegarLoop]: 1698 mSDtfsCounter, 23 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3392 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:41,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3392 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:13:41,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2024-12-01 23:13:41,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1442. [2024-12-01 23:13:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1049 states have (on average 1.5195424213536701) internal successors, (1594), 1268 states have internal predecessors, (1594), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-12-01 23:13:41,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 1868 transitions. [2024-12-01 23:13:41,082 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 1868 transitions. Word has length 25 [2024-12-01 23:13:41,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:41,082 INFO L471 AbstractCegarLoop]: Abstraction has 1442 states and 1868 transitions. [2024-12-01 23:13:41,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:41,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1868 transitions. [2024-12-01 23:13:41,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-01 23:13:41,083 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:41,083 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:41,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-01 23:13:41,084 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:13:41,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:41,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1244075418, now seen corresponding path program 1 times [2024-12-01 23:13:41,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:41,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064205045] [2024-12-01 23:13:41,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:41,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:41,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:41,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064205045] [2024-12-01 23:13:41,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064205045] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:13:41,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927968716] [2024-12-01 23:13:41,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:41,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:41,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:41,743 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:13:41,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-01 23:13:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:42,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:13:42,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:13:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:42,744 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:13:42,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927968716] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:42,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:13:42,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-12-01 23:13:42,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661191225] [2024-12-01 23:13:42,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:42,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:13:42,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:42,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:13:42,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:13:42,746 INFO L87 Difference]: Start difference. First operand 1442 states and 1868 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:42,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:42,847 INFO L93 Difference]: Finished difference Result 1446 states and 1872 transitions. [2024-12-01 23:13:42,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:13:42,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-12-01 23:13:42,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:42,852 INFO L225 Difference]: With dead ends: 1446 [2024-12-01 23:13:42,852 INFO L226 Difference]: Without dead ends: 1445 [2024-12-01 23:13:42,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:13:42,853 INFO L435 NwaCegarLoop]: 1707 mSDtfsCounter, 5 mSDsluCounter, 3399 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 5106 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:42,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 5106 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:13:42,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2024-12-01 23:13:42,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1441. [2024-12-01 23:13:42,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1049 states have (on average 1.5157292659675883) internal successors, (1590), 1267 states have internal predecessors, (1590), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-12-01 23:13:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 1864 transitions. [2024-12-01 23:13:42,878 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 1864 transitions. Word has length 29 [2024-12-01 23:13:42,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:42,878 INFO L471 AbstractCegarLoop]: Abstraction has 1441 states and 1864 transitions. [2024-12-01 23:13:42,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:42,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1864 transitions. [2024-12-01 23:13:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-01 23:13:42,879 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:42,879 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:42,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-01 23:13:43,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:43,080 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:13:43,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:43,080 INFO L85 PathProgramCache]: Analyzing trace with hash 88370338, now seen corresponding path program 1 times [2024-12-01 23:13:43,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:43,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788431128] [2024-12-01 23:13:43,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:43,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:43,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:43,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788431128] [2024-12-01 23:13:43,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788431128] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:13:43,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097672532] [2024-12-01 23:13:43,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:43,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:43,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:43,755 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:13:43,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-01 23:13:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:44,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:13:44,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:13:44,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:44,700 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:13:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:44,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097672532] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:13:44,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:13:44,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-12-01 23:13:44,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654963883] [2024-12-01 23:13:44,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:13:44,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:13:44,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:44,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:13:44,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:13:44,809 INFO L87 Difference]: Start difference. First operand 1441 states and 1864 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:44,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:44,968 INFO L93 Difference]: Finished difference Result 1530 states and 1988 transitions. [2024-12-01 23:13:44,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 23:13:44,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-12-01 23:13:44,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:44,974 INFO L225 Difference]: With dead ends: 1530 [2024-12-01 23:13:44,974 INFO L226 Difference]: Without dead ends: 1529 [2024-12-01 23:13:44,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:13:44,975 INFO L435 NwaCegarLoop]: 1705 mSDtfsCounter, 12 mSDsluCounter, 5106 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 6811 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:44,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 6811 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:13:44,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2024-12-01 23:13:45,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1513. [2024-12-01 23:13:45,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 1121 states have (on average 1.504014272970562) internal successors, (1686), 1339 states have internal predecessors, (1686), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-12-01 23:13:45,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 1960 transitions. [2024-12-01 23:13:45,013 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 1960 transitions. Word has length 30 [2024-12-01 23:13:45,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:45,013 INFO L471 AbstractCegarLoop]: Abstraction has 1513 states and 1960 transitions. [2024-12-01 23:13:45,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:45,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1960 transitions. [2024-12-01 23:13:45,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-01 23:13:45,014 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:45,014 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:45,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-01 23:13:45,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:45,215 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:13:45,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:45,215 INFO L85 PathProgramCache]: Analyzing trace with hash 247514066, now seen corresponding path program 1 times [2024-12-01 23:13:45,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:45,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633937470] [2024-12-01 23:13:45,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:45,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:45,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:45,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633937470] [2024-12-01 23:13:45,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633937470] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:13:45,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055844932] [2024-12-01 23:13:45,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:45,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:45,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:45,977 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:13:45,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-01 23:13:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:46,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-01 23:13:46,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:13:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:47,069 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:13:47,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:13:47,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055844932] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:13:47,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:13:47,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-12-01 23:13:47,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703046200] [2024-12-01 23:13:47,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:13:47,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:13:47,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:47,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:13:47,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:13:47,184 INFO L87 Difference]: Start difference. First operand 1513 states and 1960 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:47,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:47,461 INFO L93 Difference]: Finished difference Result 3278 states and 4275 transitions. [2024-12-01 23:13:47,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 23:13:47,462 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-12-01 23:13:47,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:47,466 INFO L225 Difference]: With dead ends: 3278 [2024-12-01 23:13:47,466 INFO L226 Difference]: Without dead ends: 1781 [2024-12-01 23:13:47,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:13:47,469 INFO L435 NwaCegarLoop]: 1696 mSDtfsCounter, 87 mSDsluCounter, 6772 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 8468 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:47,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 8468 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:13:47,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2024-12-01 23:13:47,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1767. [2024-12-01 23:13:47,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1767 states, 1369 states have (on average 1.4784514243973703) internal successors, (2024), 1587 states have internal predecessors, (2024), 143 states have call successors, (143), 46 states have call predecessors, (143), 46 states have return successors, (143), 138 states have call predecessors, (143), 143 states have call successors, (143) [2024-12-01 23:13:47,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 2310 transitions. [2024-12-01 23:13:47,497 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 2310 transitions. Word has length 32 [2024-12-01 23:13:47,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:47,497 INFO L471 AbstractCegarLoop]: Abstraction has 1767 states and 2310 transitions. [2024-12-01 23:13:47,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:13:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2310 transitions. [2024-12-01 23:13:47,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-01 23:13:47,499 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:47,499 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:47,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-01 23:13:47,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-12-01 23:13:47,699 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:13:47,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:47,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1137261652, now seen corresponding path program 1 times [2024-12-01 23:13:47,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:47,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203440807] [2024-12-01 23:13:47,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:47,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:48,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-01 23:13:48,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:48,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203440807] [2024-12-01 23:13:48,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203440807] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:48,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:48,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:13:48,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899042422] [2024-12-01 23:13:48,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:48,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:48,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:48,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:48,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:48,235 INFO L87 Difference]: Start difference. First operand 1767 states and 2310 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-01 23:13:52,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:13:52,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:52,344 INFO L93 Difference]: Finished difference Result 3765 states and 4945 transitions. [2024-12-01 23:13:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:52,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2024-12-01 23:13:52,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:52,350 INFO L225 Difference]: With dead ends: 3765 [2024-12-01 23:13:52,350 INFO L226 Difference]: Without dead ends: 2014 [2024-12-01 23:13:52,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:52,352 INFO L435 NwaCegarLoop]: 1774 mSDtfsCounter, 80 mSDsluCounter, 1686 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 3460 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:52,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 3460 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:13:52,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2014 states. [2024-12-01 23:13:52,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2014 to 2012. [2024-12-01 23:13:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2012 states, 1608 states have (on average 1.4620646766169154) internal successors, (2351), 1826 states have internal predecessors, (2351), 148 states have call successors, (148), 47 states have call predecessors, (148), 47 states have return successors, (148), 143 states have call predecessors, (148), 148 states have call successors, (148) [2024-12-01 23:13:52,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 2012 states and 2647 transitions. [2024-12-01 23:13:52,398 INFO L78 Accepts]: Start accepts. Automaton has 2012 states and 2647 transitions. Word has length 47 [2024-12-01 23:13:52,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:52,399 INFO L471 AbstractCegarLoop]: Abstraction has 2012 states and 2647 transitions. [2024-12-01 23:13:52,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-01 23:13:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2647 transitions. [2024-12-01 23:13:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-01 23:13:52,400 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:52,400 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:52,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-01 23:13:52,400 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:13:52,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:52,400 INFO L85 PathProgramCache]: Analyzing trace with hash -882009024, now seen corresponding path program 1 times [2024-12-01 23:13:52,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:52,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533800783] [2024-12-01 23:13:52,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:13:52,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:13:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-01 23:13:53,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:53,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533800783] [2024-12-01 23:13:53,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533800783] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:13:53,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:13:53,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:13:53,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699704818] [2024-12-01 23:13:53,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:13:53,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:13:53,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:13:53,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:13:53,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:53,007 INFO L87 Difference]: Start difference. First operand 2012 states and 2647 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-01 23:13:53,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:13:53,100 INFO L93 Difference]: Finished difference Result 2513 states and 3327 transitions. [2024-12-01 23:13:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:13:53,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 48 [2024-12-01 23:13:53,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:13:53,108 INFO L225 Difference]: With dead ends: 2513 [2024-12-01 23:13:53,108 INFO L226 Difference]: Without dead ends: 2511 [2024-12-01 23:13:53,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:13:53,110 INFO L435 NwaCegarLoop]: 1708 mSDtfsCounter, 65 mSDsluCounter, 1696 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 3404 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:13:53,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 3404 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:13:53,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2024-12-01 23:13:53,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2509. [2024-12-01 23:13:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2509 states, 2089 states have (on average 1.4384873145045476) internal successors, (3005), 2307 states have internal predecessors, (3005), 160 states have call successors, (160), 51 states have call predecessors, (160), 51 states have return successors, (160), 155 states have call predecessors, (160), 160 states have call successors, (160) [2024-12-01 23:13:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 3325 transitions. [2024-12-01 23:13:53,167 INFO L78 Accepts]: Start accepts. Automaton has 2509 states and 3325 transitions. Word has length 48 [2024-12-01 23:13:53,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:13:53,167 INFO L471 AbstractCegarLoop]: Abstraction has 2509 states and 3325 transitions. [2024-12-01 23:13:53,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-01 23:13:53,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 3325 transitions. [2024-12-01 23:13:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-01 23:13:53,168 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:13:53,168 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:13:53,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-01 23:13:53,168 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:13:53,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:13:53,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1754881248, now seen corresponding path program 2 times [2024-12-01 23:13:53,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:13:53,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917778807] [2024-12-01 23:13:53,169 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-01 23:13:53,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:13:53,663 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-01 23:13:53,664 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-01 23:13:59,212 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-01 23:13:59,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:13:59,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917778807] [2024-12-01 23:13:59,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917778807] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:13:59,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227076887] [2024-12-01 23:13:59,213 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-01 23:13:59,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:13:59,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:13:59,215 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:13:59,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-01 23:14:00,198 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-01 23:14:00,198 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-01 23:14:00,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-01 23:14:00,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:14:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-01 23:14:00,861 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:14:00,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227076887] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:00,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:14:00,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 7 [2024-12-01 23:14:00,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133756335] [2024-12-01 23:14:00,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:00,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:14:00,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:00,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:14:00,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:14:00,862 INFO L87 Difference]: Start difference. First operand 2509 states and 3325 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:14:04,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:14:05,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:05,946 INFO L93 Difference]: Finished difference Result 3968 states and 5205 transitions. [2024-12-01 23:14:05,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:14:05,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2024-12-01 23:14:05,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:05,953 INFO L225 Difference]: With dead ends: 3968 [2024-12-01 23:14:05,953 INFO L226 Difference]: Without dead ends: 1475 [2024-12-01 23:14:05,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:14:05,957 INFO L435 NwaCegarLoop]: 1681 mSDtfsCounter, 1678 mSDsluCounter, 1413 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1678 SdHoareTripleChecker+Valid, 3094 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:05,957 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1678 Valid, 3094 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-01 23:14:05,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2024-12-01 23:14:05,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2024-12-01 23:14:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1086 states have (on average 1.4935543278084715) internal successors, (1622), 1302 states have internal predecessors, (1622), 135 states have call successors, (135), 47 states have call predecessors, (135), 47 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-12-01 23:14:05,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1892 transitions. [2024-12-01 23:14:05,992 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1892 transitions. Word has length 48 [2024-12-01 23:14:05,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:05,992 INFO L471 AbstractCegarLoop]: Abstraction has 1475 states and 1892 transitions. [2024-12-01 23:14:05,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-01 23:14:05,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1892 transitions. [2024-12-01 23:14:05,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-01 23:14:05,993 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:05,994 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:06,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-01 23:14:06,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-01 23:14:06,194 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:14:06,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:06,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1518410992, now seen corresponding path program 1 times [2024-12-01 23:14:06,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:06,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130245770] [2024-12-01 23:14:06,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:06,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:06,783 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-01 23:14:06,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:06,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130245770] [2024-12-01 23:14:06,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130245770] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:14:06,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253346362] [2024-12-01 23:14:06,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:06,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:14:06,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:06,785 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:14:06,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-01 23:14:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:07,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 1471 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-01 23:14:07,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:14:07,952 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-01 23:14:07,952 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:14:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-01 23:14:08,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253346362] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:14:08,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:14:08,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-12-01 23:14:08,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858543409] [2024-12-01 23:14:08,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:14:08,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-01 23:14:08,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:08,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-01 23:14:08,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-12-01 23:14:08,128 INFO L87 Difference]: Start difference. First operand 1475 states and 1892 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-12-01 23:14:12,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:14:13,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:13,938 INFO L93 Difference]: Finished difference Result 4434 states and 5698 transitions. [2024-12-01 23:14:13,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-01 23:14:13,939 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 58 [2024-12-01 23:14:13,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:13,945 INFO L225 Difference]: With dead ends: 4434 [2024-12-01 23:14:13,946 INFO L226 Difference]: Without dead ends: 2975 [2024-12-01 23:14:13,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2024-12-01 23:14:13,948 INFO L435 NwaCegarLoop]: 1730 mSDtfsCounter, 1744 mSDsluCounter, 6516 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 8246 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:13,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 8246 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-01 23:14:13,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2024-12-01 23:14:13,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2771. [2024-12-01 23:14:14,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2208 states have (on average 1.4741847826086956) internal successors, (3255), 2434 states have internal predecessors, (3255), 266 states have call successors, (266), 90 states have call predecessors, (266), 90 states have return successors, (266), 256 states have call predecessors, (266), 266 states have call successors, (266) [2024-12-01 23:14:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3787 transitions. [2024-12-01 23:14:14,010 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3787 transitions. Word has length 58 [2024-12-01 23:14:14,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:14,011 INFO L471 AbstractCegarLoop]: Abstraction has 2771 states and 3787 transitions. [2024-12-01 23:14:14,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-12-01 23:14:14,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3787 transitions. [2024-12-01 23:14:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-01 23:14:14,011 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:14,012 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:14,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-01 23:14:14,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-01 23:14:14,212 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:14:14,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:14,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1064563925, now seen corresponding path program 1 times [2024-12-01 23:14:14,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:14,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935370196] [2024-12-01 23:14:14,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:14,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:14,825 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-01 23:14:14,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:14,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935370196] [2024-12-01 23:14:14,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935370196] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:14:14,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252951435] [2024-12-01 23:14:14,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:14,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:14:14,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:14,828 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:14:14,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-01 23:14:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:15,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-01 23:14:15,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:14:16,252 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 8 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-01 23:14:16,252 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:14:16,830 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 4 proven. 66 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-01 23:14:16,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252951435] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:14:16,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:14:16,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 9, 9] total 18 [2024-12-01 23:14:16,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509484222] [2024-12-01 23:14:16,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:14:16,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-01 23:14:16,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:16,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-01 23:14:16,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2024-12-01 23:14:16,831 INFO L87 Difference]: Start difference. First operand 2771 states and 3787 transitions. Second operand has 18 states, 18 states have (on average 7.444444444444445) internal successors, (134), 18 states have internal predecessors, (134), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-12-01 23:14:19,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:19,633 INFO L93 Difference]: Finished difference Result 7401 states and 9940 transitions. [2024-12-01 23:14:19,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-12-01 23:14:19,633 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.444444444444445) internal successors, (134), 18 states have internal predecessors, (134), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 75 [2024-12-01 23:14:19,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:19,645 INFO L225 Difference]: With dead ends: 7401 [2024-12-01 23:14:19,646 INFO L226 Difference]: Without dead ends: 4646 [2024-12-01 23:14:19,649 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=720, Invalid=1350, Unknown=0, NotChecked=0, Total=2070 [2024-12-01 23:14:19,650 INFO L435 NwaCegarLoop]: 1675 mSDtfsCounter, 1774 mSDsluCounter, 11430 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 13105 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:19,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 13105 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-01 23:14:19,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4646 states. [2024-12-01 23:14:19,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4646 to 4443. [2024-12-01 23:14:19,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4443 states, 3702 states have (on average 1.4243652079956781) internal successors, (5273), 3938 states have internal predecessors, (5273), 399 states have call successors, (399), 135 states have call predecessors, (399), 135 states have return successors, (399), 384 states have call predecessors, (399), 399 states have call successors, (399) [2024-12-01 23:14:19,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4443 states to 4443 states and 6071 transitions. [2024-12-01 23:14:19,720 INFO L78 Accepts]: Start accepts. Automaton has 4443 states and 6071 transitions. Word has length 75 [2024-12-01 23:14:19,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:19,720 INFO L471 AbstractCegarLoop]: Abstraction has 4443 states and 6071 transitions. [2024-12-01 23:14:19,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.444444444444445) internal successors, (134), 18 states have internal predecessors, (134), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-12-01 23:14:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 4443 states and 6071 transitions. [2024-12-01 23:14:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-01 23:14:19,721 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:19,721 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:19,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-01 23:14:19,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-01 23:14:19,921 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting analog_disconnectErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:14:19,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:19,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1467638956, now seen corresponding path program 1 times [2024-12-01 23:14:19,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:19,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583246895] [2024-12-01 23:14:19,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:19,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-12-01 23:14:20,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:20,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583246895] [2024-12-01 23:14:20,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583246895] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:20,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:20,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:14:20,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692510348] [2024-12-01 23:14:20,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:20,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:14:20,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:20,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:14:20,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:14:20,405 INFO L87 Difference]: Start difference. First operand 4443 states and 6071 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-01 23:14:24,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:14:24,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:24,553 INFO L93 Difference]: Finished difference Result 9108 states and 12411 transitions. [2024-12-01 23:14:24,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:14:24,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 119 [2024-12-01 23:14:24,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:24,567 INFO L225 Difference]: With dead ends: 9108 [2024-12-01 23:14:24,567 INFO L226 Difference]: Without dead ends: 4860 [2024-12-01 23:14:24,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:14:24,573 INFO L435 NwaCegarLoop]: 1776 mSDtfsCounter, 1642 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:24,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 1899 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:14:24,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4860 states. [2024-12-01 23:14:24,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4860 to 4854. [2024-12-01 23:14:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4854 states, 4062 states have (on average 1.4022648941408173) internal successors, (5696), 4298 states have internal predecessors, (5696), 423 states have call successors, (423), 162 states have call predecessors, (423), 162 states have return successors, (423), 408 states have call predecessors, (423), 423 states have call successors, (423) [2024-12-01 23:14:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4854 states to 4854 states and 6542 transitions. [2024-12-01 23:14:24,706 INFO L78 Accepts]: Start accepts. Automaton has 4854 states and 6542 transitions. Word has length 119 [2024-12-01 23:14:24,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:24,706 INFO L471 AbstractCegarLoop]: Abstraction has 4854 states and 6542 transitions. [2024-12-01 23:14:24,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-01 23:14:24,708 INFO L276 IsEmpty]: Start isEmpty. Operand 4854 states and 6542 transitions. [2024-12-01 23:14:24,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-01 23:14:24,709 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:24,709 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:24,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-01 23:14:24,709 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:14:24,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:24,709 INFO L85 PathProgramCache]: Analyzing trace with hash -2086637709, now seen corresponding path program 1 times [2024-12-01 23:14:24,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:24,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451243930] [2024-12-01 23:14:24,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:24,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:25,321 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-01 23:14:25,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:25,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451243930] [2024-12-01 23:14:25,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451243930] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:25,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:25,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:14:25,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226797522] [2024-12-01 23:14:25,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:25,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:14:25,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:25,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:14:25,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:14:25,322 INFO L87 Difference]: Start difference. First operand 4854 states and 6542 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-01 23:14:25,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:25,451 INFO L93 Difference]: Finished difference Result 4957 states and 6660 transitions. [2024-12-01 23:14:25,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:14:25,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 117 [2024-12-01 23:14:25,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:25,464 INFO L225 Difference]: With dead ends: 4957 [2024-12-01 23:14:25,464 INFO L226 Difference]: Without dead ends: 4955 [2024-12-01 23:14:25,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:14:25,466 INFO L435 NwaCegarLoop]: 1677 mSDtfsCounter, 1731 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 1733 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:25,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1731 Valid, 1733 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:14:25,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4955 states. [2024-12-01 23:14:25,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4955 to 3300. [2024-12-01 23:14:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 2705 states have (on average 1.401478743068392) internal successors, (3791), 2929 states have internal predecessors, (3791), 282 states have call successors, (282), 108 states have call predecessors, (282), 108 states have return successors, (282), 272 states have call predecessors, (282), 282 states have call successors, (282) [2024-12-01 23:14:25,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 4355 transitions. [2024-12-01 23:14:25,532 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 4355 transitions. Word has length 117 [2024-12-01 23:14:25,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:25,532 INFO L471 AbstractCegarLoop]: Abstraction has 3300 states and 4355 transitions. [2024-12-01 23:14:25,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-01 23:14:25,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 4355 transitions. [2024-12-01 23:14:25,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-01 23:14:25,533 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:25,533 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:25,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-01 23:14:25,533 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:14:25,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:25,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1835218982, now seen corresponding path program 1 times [2024-12-01 23:14:25,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:25,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838086604] [2024-12-01 23:14:25,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:25,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:26,160 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-12-01 23:14:26,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:26,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838086604] [2024-12-01 23:14:26,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838086604] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:26,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:26,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:14:26,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284620533] [2024-12-01 23:14:26,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:26,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:14:26,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:26,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:14:26,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:14:26,161 INFO L87 Difference]: Start difference. First operand 3300 states and 4355 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-01 23:14:26,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:26,239 INFO L93 Difference]: Finished difference Result 3300 states and 4355 transitions. [2024-12-01 23:14:26,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:14:26,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 128 [2024-12-01 23:14:26,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:26,248 INFO L225 Difference]: With dead ends: 3300 [2024-12-01 23:14:26,248 INFO L226 Difference]: Without dead ends: 3299 [2024-12-01 23:14:26,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:14:26,250 INFO L435 NwaCegarLoop]: 1677 mSDtfsCounter, 1670 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 1677 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:26,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1670 Valid, 1677 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:14:26,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states. [2024-12-01 23:14:26,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3299 to 3299. [2024-12-01 23:14:26,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3299 states, 2705 states have (on average 1.4011090573012939) internal successors, (3790), 2928 states have internal predecessors, (3790), 282 states have call successors, (282), 108 states have call predecessors, (282), 108 states have return successors, (282), 272 states have call predecessors, (282), 282 states have call successors, (282) [2024-12-01 23:14:26,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4354 transitions. [2024-12-01 23:14:26,313 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4354 transitions. Word has length 128 [2024-12-01 23:14:26,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:26,313 INFO L471 AbstractCegarLoop]: Abstraction has 3299 states and 4354 transitions. [2024-12-01 23:14:26,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-01 23:14:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4354 transitions. [2024-12-01 23:14:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-01 23:14:26,315 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:26,315 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:26,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-01 23:14:26,315 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting analog_disconnectErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:14:26,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:26,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1687276780, now seen corresponding path program 1 times [2024-12-01 23:14:26,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:26,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807324232] [2024-12-01 23:14:26,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:26,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:26,815 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-01 23:14:26,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:26,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807324232] [2024-12-01 23:14:26,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807324232] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:26,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:26,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:14:26,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167706689] [2024-12-01 23:14:26,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:26,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:14:26,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:26,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:14:26,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:14:26,817 INFO L87 Difference]: Start difference. First operand 3299 states and 4354 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-01 23:14:30,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:14:31,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:31,038 INFO L93 Difference]: Finished difference Result 9081 states and 12134 transitions. [2024-12-01 23:14:31,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:14:31,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 135 [2024-12-01 23:14:31,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:31,054 INFO L225 Difference]: With dead ends: 9081 [2024-12-01 23:14:31,054 INFO L226 Difference]: Without dead ends: 5977 [2024-12-01 23:14:31,058 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 [2024-12-01 23:14:31,059 INFO L435 NwaCegarLoop]: 3350 mSDtfsCounter, 1670 mSDsluCounter, 5021 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 8371 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:31,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1670 Valid, 8371 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:14:31,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5977 states. [2024-12-01 23:14:31,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5977 to 3303. [2024-12-01 23:14:31,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3303 states, 2709 states have (on average 1.400516795865633) internal successors, (3794), 2932 states have internal predecessors, (3794), 282 states have call successors, (282), 108 states have call predecessors, (282), 108 states have return successors, (282), 272 states have call predecessors, (282), 282 states have call successors, (282) [2024-12-01 23:14:31,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 3303 states and 4358 transitions. [2024-12-01 23:14:31,144 INFO L78 Accepts]: Start accepts. Automaton has 3303 states and 4358 transitions. Word has length 135 [2024-12-01 23:14:31,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:31,144 INFO L471 AbstractCegarLoop]: Abstraction has 3303 states and 4358 transitions. [2024-12-01 23:14:31,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-01 23:14:31,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3303 states and 4358 transitions. [2024-12-01 23:14:31,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-01 23:14:31,145 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:31,145 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:31,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-01 23:14:31,146 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:14:31,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:31,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1607358620, now seen corresponding path program 1 times [2024-12-01 23:14:31,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:31,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364640180] [2024-12-01 23:14:31,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:31,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-12-01 23:14:31,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:31,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364640180] [2024-12-01 23:14:31,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364640180] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:31,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:31,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:14:31,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229570040] [2024-12-01 23:14:31,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:31,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:14:31,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:31,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:14:31,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:14:31,671 INFO L87 Difference]: Start difference. First operand 3303 states and 4358 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-01 23:14:31,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:31,914 INFO L93 Difference]: Finished difference Result 6549 states and 8721 transitions. [2024-12-01 23:14:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:14:31,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 137 [2024-12-01 23:14:31,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:31,925 INFO L225 Difference]: With dead ends: 6549 [2024-12-01 23:14:31,925 INFO L226 Difference]: Without dead ends: 3441 [2024-12-01 23:14:31,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:14:31,930 INFO L435 NwaCegarLoop]: 1680 mSDtfsCounter, 66 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 3337 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:31,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 3337 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:14:31,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2024-12-01 23:14:32,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 3355. [2024-12-01 23:14:32,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3355 states, 2755 states have (on average 1.3989110707803993) internal successors, (3854), 2978 states have internal predecessors, (3854), 288 states have call successors, (288), 108 states have call predecessors, (288), 108 states have return successors, (288), 278 states have call predecessors, (288), 288 states have call successors, (288) [2024-12-01 23:14:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3355 states to 3355 states and 4430 transitions. [2024-12-01 23:14:32,017 INFO L78 Accepts]: Start accepts. Automaton has 3355 states and 4430 transitions. Word has length 137 [2024-12-01 23:14:32,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:32,018 INFO L471 AbstractCegarLoop]: Abstraction has 3355 states and 4430 transitions. [2024-12-01 23:14:32,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-01 23:14:32,018 INFO L276 IsEmpty]: Start isEmpty. Operand 3355 states and 4430 transitions. [2024-12-01 23:14:32,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-01 23:14:32,020 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:32,020 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:32,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-01 23:14:32,020 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:14:32,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:32,021 INFO L85 PathProgramCache]: Analyzing trace with hash 233405094, now seen corresponding path program 1 times [2024-12-01 23:14:32,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:32,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709332673] [2024-12-01 23:14:32,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:32,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:33,614 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 10 proven. 378 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-12-01 23:14:33,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:33,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709332673] [2024-12-01 23:14:33,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709332673] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:14:33,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649531156] [2024-12-01 23:14:33,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:33,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:14:33,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:33,616 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:14:33,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-01 23:14:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:34,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 1761 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-01 23:14:34,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:14:35,293 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 14 proven. 378 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-12-01 23:14:35,293 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:14:36,397 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 10 proven. 378 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-12-01 23:14:36,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649531156] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-01 23:14:36,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-01 23:14:36,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 19 [2024-12-01 23:14:36,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357818167] [2024-12-01 23:14:36,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-01 23:14:36,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-01 23:14:36,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:36,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-01 23:14:36,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2024-12-01 23:14:36,399 INFO L87 Difference]: Start difference. First operand 3355 states and 4430 transitions. Second operand has 19 states, 19 states have (on average 5.894736842105263) internal successors, (112), 19 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-12-01 23:14:36,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:36,777 INFO L93 Difference]: Finished difference Result 6774 states and 8943 transitions. [2024-12-01 23:14:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-01 23:14:36,777 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.894736842105263) internal successors, (112), 19 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 139 [2024-12-01 23:14:36,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:36,788 INFO L225 Difference]: With dead ends: 6774 [2024-12-01 23:14:36,788 INFO L226 Difference]: Without dead ends: 3435 [2024-12-01 23:14:36,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 262 SyntacticMatches, 14 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2024-12-01 23:14:36,795 INFO L435 NwaCegarLoop]: 1678 mSDtfsCounter, 3 mSDsluCounter, 8375 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10053 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:36,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10053 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-01 23:14:36,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3435 states. [2024-12-01 23:14:36,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3435 to 3435. [2024-12-01 23:14:36,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3435 states, 2835 states have (on average 1.3876543209876544) internal successors, (3934), 3058 states have internal predecessors, (3934), 288 states have call successors, (288), 108 states have call predecessors, (288), 108 states have return successors, (288), 278 states have call predecessors, (288), 288 states have call successors, (288) [2024-12-01 23:14:36,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 3435 states and 4510 transitions. [2024-12-01 23:14:36,903 INFO L78 Accepts]: Start accepts. Automaton has 3435 states and 4510 transitions. Word has length 139 [2024-12-01 23:14:36,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:36,903 INFO L471 AbstractCegarLoop]: Abstraction has 3435 states and 4510 transitions. [2024-12-01 23:14:36,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.894736842105263) internal successors, (112), 19 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-12-01 23:14:36,903 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 4510 transitions. [2024-12-01 23:14:36,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-01 23:14:36,906 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:36,906 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:36,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-01 23:14:37,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:14:37,106 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-12-01 23:14:37,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:37,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1314438502, now seen corresponding path program 2 times [2024-12-01 23:14:37,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:37,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340004752] [2024-12-01 23:14:37,107 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-01 23:14:37,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:37,535 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-01 23:14:37,535 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-01 23:14:37,759 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 18 proven. 48 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2024-12-01 23:14:37,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:37,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340004752] [2024-12-01 23:14:37,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340004752] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:14:37,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602798354] [2024-12-01 23:14:37,759 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-01 23:14:37,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:14:37,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:37,761 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:14:37,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51275053-4239-4f82-8b13-f2a4a95ed730/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process