./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 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'c9ee75e44352b6ea6b091abc908af4681506ed391b6529699b0d4480d6bf973b'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c9ee75e44352b6ea6b091abc908af4681506ed391b6529699b0d4480d6bf973b --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 21:01:30,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 21:01:30,712 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-07 21:01:30,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 21:01:30,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 21:01:30,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 21:01:30,732 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 21:01:30,732 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 21:01:30,732 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 21:01:30,732 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 21:01:30,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 21:01:30,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 21:01:30,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 21:01:30,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 21:01:30,732 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 21:01:30,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 21:01:30,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 21:01:30,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 21:01:30,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 21:01:30,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 21:01:30,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 21:01:30,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 21:01:30,733 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 21:01:30,733 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 21:01:30,733 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 21:01:30,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 21:01:30,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 21:01:30,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 21:01:30,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 21:01:30,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 21:01:30,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 21:01:30,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:01:30,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 21:01:30,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 21:01:30,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 21:01:30,737 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 21:01:30,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 21:01:30,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 21:01:30,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 21:01:30,737 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 21:01:30,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 21:01:30,738 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ee75e44352b6ea6b091abc908af4681506ed391b6529699b0d4480d6bf973b [2024-11-07 21:01:30,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 21:01:30,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 21:01:30,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 21:01:30,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 21:01:30,949 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 21:01:30,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2024-11-07 21:01:32,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 21:01:32,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 21:01:32,353 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2024-11-07 21:01:32,374 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/61648f96a/45aa6955499e4c9784e88b6da7bcbb4d/FLAG485cd1b09 [2024-11-07 21:01:32,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/61648f96a/45aa6955499e4c9784e88b6da7bcbb4d [2024-11-07 21:01:32,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 21:01:32,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 21:01:32,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 21:01:32,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 21:01:32,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 21:01:32,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:01:32" (1/1) ... [2024-11-07 21:01:32,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f87a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:32, skipping insertion in model container [2024-11-07 21:01:32,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:01:32" (1/1) ... [2024-11-07 21:01:32,651 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 21:01:32,893 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2024-11-07 21:01:32,893 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2024-11-07 21:01:33,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:01:33,214 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 21:01:33,266 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2024-11-07 21:01:33,266 WARN L1351 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2024-11-07 21:01:33,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2634] [2024-11-07 21:01:33,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("661:\n\tcall __sw_hweight32\n662:\n.pushsection .altinstructions,\"a\"\n .long 661b - .\n .long 6631f - .\n .word (4*32+23)\n .byte 662b-661b\n .byte 6641f-6631f\n.popsection\n.pushsection .discard,\"aw\",@progbits\n .byte 0xff + (6641f-6631f) - (662b-661b)\n.popsection\n.pushsection .altinstr_replacement, \"ax\"\n6631:\n\t.byte 0xf3,0x40,0x0f,0xb8,0xc7\n6641:\n\t.popsection": "=a" (res): "D" (w)); [2643] [2024-11-07 21:01:33,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (179), "i" (12UL)); [2687-2688] [2024-11-07 21:01:33,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c6;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c5\n .byte 772b-771b\n .short %c7\n.popsection\n": "=D" (__edi), "=S" (__esi), "=d" (__edx), "=c" (__ecx), "=a" (__eax): [paravirt_typenum] "i" (34UL), [paravirt_opptr] "i" (& pv_cpu_ops.read_tsc), [paravirt_clobber] "i" (511): "memory", "cc", "r8", "r9", "r10", "r11"); [2693-2696] [2024-11-07 21:01:33,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [2719-2720] [2024-11-07 21:01:33,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [2725-2727] [2024-11-07 21:01:33,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [2749-2750] [2024-11-07 21:01:33,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [2755-2757] [2024-11-07 21:01:33,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [2778-2779] [2024-11-07 21:01:33,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [2784-2786] [2024-11-07 21:01:33,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2810] [2024-11-07 21:01:33,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2818] [2024-11-07 21:01:33,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:01:33,402 INFO L204 MainTranslator]: Completed translation [2024-11-07 21:01:33,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33 WrapperNode [2024-11-07 21:01:33,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 21:01:33,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 21:01:33,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 21:01:33,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 21:01:33,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33" (1/1) ... [2024-11-07 21:01:33,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33" (1/1) ... [2024-11-07 21:01:33,545 INFO L138 Inliner]: procedures = 120, calls = 710, calls flagged for inlining = 41, calls inlined = 39, statements flattened = 2510 [2024-11-07 21:01:33,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 21:01:33,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 21:01:33,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 21:01:33,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 21:01:33,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33" (1/1) ... [2024-11-07 21:01:33,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33" (1/1) ... [2024-11-07 21:01:33,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33" (1/1) ... [2024-11-07 21:01:33,664 INFO L175 MemorySlicer]: Split 482 memory accesses to 19 slices as follows [2, 18, 28, 22, 1, 252, 51, 7, 21, 23, 6, 3, 9, 3, 9, 5, 1, 19, 2]. 52 percent of accesses are in the largest equivalence class. The 134 initializations are split as follows [2, 18, 0, 0, 0, 7, 51, 7, 16, 16, 4, 0, 6, 0, 4, 3, 0, 0, 0]. The 145 writes are split as follows [0, 0, 24, 22, 0, 75, 0, 0, 0, 5, 0, 1, 0, 0, 0, 0, 0, 17, 1]. [2024-11-07 21:01:33,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33" (1/1) ... [2024-11-07 21:01:33,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33" (1/1) ... [2024-11-07 21:01:33,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33" (1/1) ... [2024-11-07 21:01:33,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33" (1/1) ... [2024-11-07 21:01:33,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33" (1/1) ... [2024-11-07 21:01:33,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33" (1/1) ... [2024-11-07 21:01:33,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 21:01:33,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 21:01:33,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 21:01:33,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 21:01:33,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33" (1/1) ... [2024-11-07 21:01:33,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:01:33,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:01:33,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 21:01:33,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 21:01:33,834 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2024-11-07 21:01:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2024-11-07 21:01:33,834 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-07 21:01:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-07 21:01:33,834 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2024-11-07 21:01:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2024-11-07 21:01:33,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 21:01:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 21:01:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 21:01:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 21:01:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 21:01:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 21:01:33,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 21:01:33,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 21:01:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 21:01:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-07 21:01:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-07 21:01:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-07 21:01:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-07 21:01:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-07 21:01:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-07 21:01:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-07 21:01:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-07 21:01:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2024-11-07 21:01:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 21:01:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-07 21:01:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-07 21:01:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-07 21:01:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-07 21:01:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-07 21:01:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-07 21:01:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-07 21:01:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-07 21:01:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-07 21:01:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2024-11-07 21:01:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2024-11-07 21:01:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-07 21:01:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2024-11-07 21:01:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2024-11-07 21:01:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2024-11-07 21:01:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-07 21:01:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-07 21:01:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2024-11-07 21:01:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-07 21:01:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 21:01:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-07 21:01:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 21:01:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 21:01:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2024-11-07 21:01:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2024-11-07 21:01:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 21:01:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2024-11-07 21:01:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2024-11-07 21:01:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-07 21:01:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-07 21:01:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 21:01:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2024-11-07 21:01:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2024-11-07 21:01:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-07 21:01:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-07 21:01:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2024-11-07 21:01:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-07 21:01:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2024-11-07 21:01:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-11-07 21:01:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2024-11-07 21:01:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2024-11-07 21:01:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-07 21:01:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2024-11-07 21:01:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-07 21:01:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-07 21:01:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-07 21:01:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-07 21:01:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-07 21:01:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-07 21:01:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-07 21:01:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-07 21:01:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-07 21:01:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2024-11-07 21:01:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2024-11-07 21:01:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2024-11-07 21:01:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2024-11-07 21:01:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2024-11-07 21:01:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2024-11-07 21:01:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 21:01:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2024-11-07 21:01:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-07 21:01:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-07 21:01:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-07 21:01:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2024-11-07 21:01:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2024-11-07 21:01:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2024-11-07 21:01:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-07 21:01:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 21:01:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2024-11-07 21:01:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2024-11-07 21:01:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2024-11-07 21:01:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2024-11-07 21:01:34,207 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 21:01:34,209 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 21:01:34,262 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-07 21:01:41,410 INFO L? ?]: Removed 1066 outVars from TransFormulas that were not future-live. [2024-11-07 21:01:41,410 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 21:01:41,435 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 21:01:41,436 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 21:01:41,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:01:41 BoogieIcfgContainer [2024-11-07 21:01:41,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 21:01:41,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 21:01:41,438 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 21:01:41,441 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 21:01:41,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:01:32" (1/3) ... [2024-11-07 21:01:41,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e355ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:01:41, skipping insertion in model container [2024-11-07 21:01:41,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:01:33" (2/3) ... [2024-11-07 21:01:41,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e355ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:01:41, skipping insertion in model container [2024-11-07 21:01:41,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:01:41" (3/3) ... [2024-11-07 21:01:41,442 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2024-11-07 21:01:41,451 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 21:01:41,453 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 235 error locations. [2024-11-07 21:01:41,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 21:01:41,512 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;@1c78370a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 21:01:41,513 INFO L334 AbstractCegarLoop]: Starting to check reachability of 235 error locations. [2024-11-07 21:01:41,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 1379 states, 962 states have (on average 1.5706860706860706) internal successors, (1511), 1212 states have internal predecessors, (1511), 138 states have call successors, (138), 45 states have call predecessors, (138), 44 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-07 21:01:41,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-07 21:01:41,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:01:41,529 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:01:41,529 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-07 21:01:41,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:01:41,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1106458909, now seen corresponding path program 1 times [2024-11-07 21:01:41,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:01:41,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144019291] [2024-11-07 21:01:41,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:01:41,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:01:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:42,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:01:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:01:42,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:01:42,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144019291] [2024-11-07 21:01:42,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144019291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:01:42,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:01:42,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 21:01:42,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484715129] [2024-11-07 21:01:42,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:01:42,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:01:42,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:01:42,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:01:42,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:01:42,528 INFO L87 Difference]: Start difference. First operand has 1379 states, 962 states have (on average 1.5706860706860706) internal successors, (1511), 1212 states have internal predecessors, (1511), 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 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:01:46,559 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 [] [2024-11-07 21:01:49,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:01:49,725 INFO L93 Difference]: Finished difference Result 2805 states and 3675 transitions. [2024-11-07 21:01:49,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 21:01:49,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-07 21:01:49,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:01:49,741 INFO L225 Difference]: With dead ends: 2805 [2024-11-07 21:01:49,742 INFO L226 Difference]: Without dead ends: 1401 [2024-11-07 21:01:49,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 21:01:49,750 INFO L432 NwaCegarLoop]: 1265 mSDtfsCounter, 564 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 119 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 3327 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-07 21:01:49,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 3327 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1282 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2024-11-07 21:01:49,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2024-11-07 21:01:49,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1386. [2024-11-07 21:01:49,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1386 states, 992 states have (on average 1.53125) internal successors, (1519), 1214 states have internal predecessors, (1519), 135 states have call successors, (135), 46 states have call predecessors, (135), 46 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-07 21:01:49,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1789 transitions. [2024-11-07 21:01:49,839 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1789 transitions. Word has length 18 [2024-11-07 21:01:49,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:01:49,839 INFO L471 AbstractCegarLoop]: Abstraction has 1386 states and 1789 transitions. [2024-11-07 21:01:49,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:01:49,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1789 transitions. [2024-11-07 21:01:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-07 21:01:49,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:01:49,840 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:01:49,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 21:01:49,841 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-07 21:01:49,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:01:49,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1749973960, now seen corresponding path program 1 times [2024-11-07 21:01:49,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:01:49,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069408056] [2024-11-07 21:01:49,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:01:49,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:01:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:50,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:01:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:01:50,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:01:50,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069408056] [2024-11-07 21:01:50,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069408056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:01:50,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:01:50,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 21:01:50,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820181951] [2024-11-07 21:01:50,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:01:50,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:01:50,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:01:50,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:01:50,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:01:50,497 INFO L87 Difference]: Start difference. First operand 1386 states and 1789 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:01:54,514 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 [] [2024-11-07 21:01:57,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:01:57,620 INFO L93 Difference]: Finished difference Result 2809 states and 3644 transitions. [2024-11-07 21:01:57,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 21:01:57,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-07 21:01:57,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:01:57,629 INFO L225 Difference]: With dead ends: 2809 [2024-11-07 21:01:57,630 INFO L226 Difference]: Without dead ends: 1439 [2024-11-07 21:01:57,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:01:57,633 INFO L432 NwaCegarLoop]: 1238 mSDtfsCounter, 480 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 115 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 3262 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-07 21:01:57,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 3262 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1290 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2024-11-07 21:01:57,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2024-11-07 21:01:57,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1428. [2024-11-07 21:01:57,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1032 states have (on average 1.5261627906976745) internal successors, (1575), 1254 states have internal predecessors, (1575), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-07 21:01:57,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1849 transitions. [2024-11-07 21:01:57,675 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1849 transitions. Word has length 20 [2024-11-07 21:01:57,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:01:57,675 INFO L471 AbstractCegarLoop]: Abstraction has 1428 states and 1849 transitions. [2024-11-07 21:01:57,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:01:57,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1849 transitions. [2024-11-07 21:01:57,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-07 21:01:57,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:01:57,676 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:01:57,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 21:01:57,677 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-07 21:01:57,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:01:57,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1928870803, now seen corresponding path program 1 times [2024-11-07 21:01:57,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:01:57,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621897609] [2024-11-07 21:01:57,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:01:57,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:01:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:58,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:01:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:01:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:01:58,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:01:58,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621897609] [2024-11-07 21:01:58,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621897609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:01:58,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:01:58,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 21:01:58,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502794439] [2024-11-07 21:01:58,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:01:58,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:01:58,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:01:58,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:01:58,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:01:58,237 INFO L87 Difference]: Start difference. First operand 1428 states and 1849 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:02,255 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 [] [2024-11-07 21:02:04,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:04,774 INFO L93 Difference]: Finished difference Result 1467 states and 1906 transitions. [2024-11-07 21:02:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 21:02:04,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-07 21:02:04,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:04,779 INFO L225 Difference]: With dead ends: 1467 [2024-11-07 21:02:04,780 INFO L226 Difference]: Without dead ends: 1465 [2024-11-07 21:02:04,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:02:04,780 INFO L432 NwaCegarLoop]: 1246 mSDtfsCounter, 460 mSDsluCounter, 2042 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 111 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 3288 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:04,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 3288 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1264 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2024-11-07 21:02:04,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2024-11-07 21:02:04,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1452. [2024-11-07 21:02:04,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1056 states have (on average 1.521780303030303) internal successors, (1607), 1278 states have internal predecessors, (1607), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-07 21:02:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1881 transitions. [2024-11-07 21:02:04,811 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1881 transitions. Word has length 23 [2024-11-07 21:02:04,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:04,812 INFO L471 AbstractCegarLoop]: Abstraction has 1452 states and 1881 transitions. [2024-11-07 21:02:04,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:04,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1881 transitions. [2024-11-07 21:02:04,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-07 21:02:04,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:04,813 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:02:04,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 21:02:04,813 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-07 21:02:04,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:04,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1720013774, now seen corresponding path program 1 times [2024-11-07 21:02:04,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:04,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757573319] [2024-11-07 21:02:04,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:04,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:05,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:02:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:05,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:02:05,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:05,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757573319] [2024-11-07 21:02:05,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757573319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 21:02:05,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148523859] [2024-11-07 21:02:05,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:05,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:05,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:02:05,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 21:02:05,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 21:02:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:06,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 21:02:06,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 21:02:06,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:02:06,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 21:02:06,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148523859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:02:06,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 21:02:06,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-07 21:02:06,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37347235] [2024-11-07 21:02:06,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:02:06,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:02:06,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:02:06,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:02:06,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:02:06,265 INFO L87 Difference]: Start difference. First operand 1452 states and 1881 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:06,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:06,400 INFO L93 Difference]: Finished difference Result 1454 states and 1881 transitions. [2024-11-07 21:02:06,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 21:02:06,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-07 21:02:06,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:06,405 INFO L225 Difference]: With dead ends: 1454 [2024-11-07 21:02:06,405 INFO L226 Difference]: Without dead ends: 1452 [2024-11-07 21:02:06,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:02:06,406 INFO L432 NwaCegarLoop]: 1713 mSDtfsCounter, 46 mSDsluCounter, 3376 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 5089 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 [2024-11-07 21:02:06,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 5089 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 21:02:06,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2024-11-07 21:02:06,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1450. [2024-11-07 21:02:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 1056 states have (on average 1.5179924242424243) internal successors, (1603), 1276 states have internal predecessors, (1603), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-07 21:02:06,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 1877 transitions. [2024-11-07 21:02:06,434 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 1877 transitions. Word has length 24 [2024-11-07 21:02:06,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:06,435 INFO L471 AbstractCegarLoop]: Abstraction has 1450 states and 1877 transitions. [2024-11-07 21:02:06,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:06,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1877 transitions. [2024-11-07 21:02:06,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 21:02:06,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:06,437 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:02:06,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 21:02:06,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:06,638 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-07 21:02:06,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:06,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1780822120, now seen corresponding path program 1 times [2024-11-07 21:02:06,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:06,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084999928] [2024-11-07 21:02:06,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:06,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:07,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:02:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 21:02:07,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:07,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084999928] [2024-11-07 21:02:07,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084999928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:02:07,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:02:07,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 21:02:07,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717231784] [2024-11-07 21:02:07,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:02:07,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:02:07,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:02:07,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:02:07,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:02:07,136 INFO L87 Difference]: Start difference. First operand 1450 states and 1877 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:11,153 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 [] [2024-11-07 21:02:13,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:13,763 INFO L93 Difference]: Finished difference Result 1461 states and 1890 transitions. [2024-11-07 21:02:13,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 21:02:13,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-07 21:02:13,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:13,768 INFO L225 Difference]: With dead ends: 1461 [2024-11-07 21:02:13,768 INFO L226 Difference]: Without dead ends: 1460 [2024-11-07 21:02:13,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:02:13,769 INFO L432 NwaCegarLoop]: 1235 mSDtfsCounter, 480 mSDsluCounter, 2021 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 112 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 3256 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:13,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 3256 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1284 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2024-11-07 21:02:13,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2024-11-07 21:02:13,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1443. [2024-11-07 21:02:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1443 states, 1050 states have (on average 1.519047619047619) internal successors, (1595), 1269 states have internal predecessors, (1595), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-07 21:02:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1869 transitions. [2024-11-07 21:02:13,793 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1869 transitions. Word has length 25 [2024-11-07 21:02:13,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:13,794 INFO L471 AbstractCegarLoop]: Abstraction has 1443 states and 1869 transitions. [2024-11-07 21:02:13,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:13,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1869 transitions. [2024-11-07 21:02:13,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-07 21:02:13,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:13,795 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:02:13,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 21:02:13,796 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-07 21:02:13,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:13,796 INFO L85 PathProgramCache]: Analyzing trace with hash -339814583, now seen corresponding path program 1 times [2024-11-07 21:02:13,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:13,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592619124] [2024-11-07 21:02:13,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:13,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:14,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:02:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:02:14,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:14,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592619124] [2024-11-07 21:02:14,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592619124] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 21:02:14,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885126922] [2024-11-07 21:02:14,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:14,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:14,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:02:14,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 21:02:14,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 21:02:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:15,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 21:02:15,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 21:02:15,167 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:02:15,167 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 21:02:15,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885126922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:02:15,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 21:02:15,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-07 21:02:15,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241221707] [2024-11-07 21:02:15,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:02:15,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:02:15,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:02:15,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:02:15,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:02:15,168 INFO L87 Difference]: Start difference. First operand 1443 states and 1869 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:15,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:15,247 INFO L93 Difference]: Finished difference Result 1447 states and 1873 transitions. [2024-11-07 21:02:15,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 21:02:15,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-07 21:02:15,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:15,251 INFO L225 Difference]: With dead ends: 1447 [2024-11-07 21:02:15,251 INFO L226 Difference]: Without dead ends: 1446 [2024-11-07 21:02:15,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:02:15,252 INFO L432 NwaCegarLoop]: 1708 mSDtfsCounter, 5 mSDsluCounter, 3401 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 5109 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:15,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 5109 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 21:02:15,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2024-11-07 21:02:15,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1442. [2024-11-07 21:02:15,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1050 states have (on average 1.5152380952380953) internal successors, (1591), 1268 states have internal predecessors, (1591), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-07 21:02:15,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 1865 transitions. [2024-11-07 21:02:15,293 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 1865 transitions. Word has length 29 [2024-11-07 21:02:15,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:15,294 INFO L471 AbstractCegarLoop]: Abstraction has 1442 states and 1865 transitions. [2024-11-07 21:02:15,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:15,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1865 transitions. [2024-11-07 21:02:15,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-07 21:02:15,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:15,297 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:02:15,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 21:02:15,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:15,497 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-07 21:02:15,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:15,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1944314848, now seen corresponding path program 1 times [2024-11-07 21:02:15,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:15,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165404777] [2024-11-07 21:02:15,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:15,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:16,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:02:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:16,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:02:16,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:16,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165404777] [2024-11-07 21:02:16,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165404777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 21:02:16,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694802254] [2024-11-07 21:02:16,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:16,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:16,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:02:16,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 21:02:16,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 21:02:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:16,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 21:02:16,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 21:02:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:02:16,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 21:02:17,035 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:02:17,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694802254] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 21:02:17,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 21:02:17,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-07 21:02:17,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588024939] [2024-11-07 21:02:17,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 21:02:17,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 21:02:17,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:02:17,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 21:02:17,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 21:02:17,036 INFO L87 Difference]: Start difference. First operand 1442 states and 1865 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:21,056 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 [] [2024-11-07 21:02:24,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:24,773 INFO L93 Difference]: Finished difference Result 1540 states and 2002 transitions. [2024-11-07 21:02:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 21:02:24,773 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-07 21:02:24,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:24,778 INFO L225 Difference]: With dead ends: 1540 [2024-11-07 21:02:24,778 INFO L226 Difference]: Without dead ends: 1539 [2024-11-07 21:02:24,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 21:02:24,779 INFO L432 NwaCegarLoop]: 1242 mSDtfsCounter, 469 mSDsluCounter, 4350 mSDsCounter, 0 mSdLazyCounter, 2378 mSolverCounterSat, 111 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 5592 SdHoareTripleChecker+Invalid, 2490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 2378 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:24,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 5592 Invalid, 2490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 2378 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2024-11-07 21:02:24,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2024-11-07 21:02:24,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 1514. [2024-11-07 21:02:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1514 states, 1122 states have (on average 1.5035650623885919) internal successors, (1687), 1340 states have internal predecessors, (1687), 137 states have call successors, (137), 46 states have call predecessors, (137), 46 states have return successors, (137), 132 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-07 21:02:24,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 1961 transitions. [2024-11-07 21:02:24,801 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 1961 transitions. Word has length 30 [2024-11-07 21:02:24,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:24,801 INFO L471 AbstractCegarLoop]: Abstraction has 1514 states and 1961 transitions. [2024-11-07 21:02:24,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:24,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1961 transitions. [2024-11-07 21:02:24,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-07 21:02:24,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:24,802 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:02:24,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-07 21:02:25,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:25,003 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-07 21:02:25,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:25,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1047170032, now seen corresponding path program 1 times [2024-11-07 21:02:25,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:25,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208765935] [2024-11-07 21:02:25,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:25,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:25,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:02:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:25,505 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:02:25,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:25,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208765935] [2024-11-07 21:02:25,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208765935] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 21:02:25,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173842970] [2024-11-07 21:02:25,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:25,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:25,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:02:25,508 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 21:02:25,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 21:02:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:26,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 21:02:26,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 21:02:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:02:26,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 21:02:26,453 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:02:26,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173842970] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 21:02:26,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 21:02:26,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-07 21:02:26,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797587303] [2024-11-07 21:02:26,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 21:02:26,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 21:02:26,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:02:26,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 21:02:26,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 21:02:26,454 INFO L87 Difference]: Start difference. First operand 1514 states and 1961 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:30,475 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 [] [2024-11-07 21:02:34,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:34,336 INFO L93 Difference]: Finished difference Result 3289 states and 4290 transitions. [2024-11-07 21:02:34,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 21:02:34,336 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-07 21:02:34,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:34,342 INFO L225 Difference]: With dead ends: 3289 [2024-11-07 21:02:34,342 INFO L226 Difference]: Without dead ends: 1791 [2024-11-07 21:02:34,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 21:02:34,345 INFO L432 NwaCegarLoop]: 1233 mSDtfsCounter, 563 mSDsluCounter, 4329 mSDsCounter, 0 mSdLazyCounter, 2423 mSolverCounterSat, 125 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 5562 SdHoareTripleChecker+Invalid, 2549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 2423 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:34,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 5562 Invalid, 2549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 2423 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2024-11-07 21:02:34,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1791 states. [2024-11-07 21:02:34,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1791 to 1768. [2024-11-07 21:02:34,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1768 states, 1370 states have (on average 1.4781021897810218) internal successors, (2025), 1588 states have internal predecessors, (2025), 143 states have call successors, (143), 46 states have call predecessors, (143), 46 states have return successors, (143), 138 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-07 21:02:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1768 states and 2311 transitions. [2024-11-07 21:02:34,372 INFO L78 Accepts]: Start accepts. Automaton has 1768 states and 2311 transitions. Word has length 32 [2024-11-07 21:02:34,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:34,372 INFO L471 AbstractCegarLoop]: Abstraction has 1768 states and 2311 transitions. [2024-11-07 21:02:34,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:34,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2311 transitions. [2024-11-07 21:02:34,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 21:02:34,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:34,373 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:02:34,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 21:02:34,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-07 21:02:34,574 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-07 21:02:34,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:34,574 INFO L85 PathProgramCache]: Analyzing trace with hash 695227919, now seen corresponding path program 1 times [2024-11-07 21:02:34,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:34,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422861216] [2024-11-07 21:02:34,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:34,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:35,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:02:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:35,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 21:02:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:35,135 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 21:02:35,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:35,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422861216] [2024-11-07 21:02:35,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422861216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:02:35,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:02:35,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 21:02:35,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971018685] [2024-11-07 21:02:35,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:02:35,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:02:35,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:02:35,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:02:35,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:02:35,138 INFO L87 Difference]: Start difference. First operand 1768 states and 2311 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 21:02:39,155 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 [] [2024-11-07 21:02:43,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 21:02:45,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:45,719 INFO L93 Difference]: Finished difference Result 3776 states and 4960 transitions. [2024-11-07 21:02:45,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 21:02:45,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2024-11-07 21:02:45,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:45,726 INFO L225 Difference]: With dead ends: 3776 [2024-11-07 21:02:45,726 INFO L226 Difference]: Without dead ends: 2024 [2024-11-07 21:02:45,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 21:02:45,729 INFO L432 NwaCegarLoop]: 1305 mSDtfsCounter, 536 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 115 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 3380 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:45,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 3380 Invalid, 1393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1276 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2024-11-07 21:02:45,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2024-11-07 21:02:45,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 2013. [2024-11-07 21:02:45,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2013 states, 1609 states have (on average 1.4617775015537602) internal successors, (2352), 1827 states have internal predecessors, (2352), 148 states have call successors, (148), 47 states have call predecessors, (148), 47 states have return successors, (148), 143 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-07 21:02:45,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 2013 states and 2648 transitions. [2024-11-07 21:02:45,756 INFO L78 Accepts]: Start accepts. Automaton has 2013 states and 2648 transitions. Word has length 47 [2024-11-07 21:02:45,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:45,757 INFO L471 AbstractCegarLoop]: Abstraction has 2013 states and 2648 transitions. [2024-11-07 21:02:45,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 21:02:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 2648 transitions. [2024-11-07 21:02:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-07 21:02:45,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:45,758 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:02:45,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 21:02:45,758 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-07 21:02:45,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:45,759 INFO L85 PathProgramCache]: Analyzing trace with hash 90592830, now seen corresponding path program 1 times [2024-11-07 21:02:45,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:45,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865159009] [2024-11-07 21:02:45,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:45,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:46,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:02:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:46,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 21:02:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:46,275 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 21:02:46,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:46,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865159009] [2024-11-07 21:02:46,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865159009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:02:46,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:02:46,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 21:02:46,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464428114] [2024-11-07 21:02:46,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:02:46,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:02:46,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:02:46,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:02:46,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:02:46,277 INFO L87 Difference]: Start difference. First operand 2013 states and 2648 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 21:02:50,293 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 [] [2024-11-07 21:02:52,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:52,770 INFO L93 Difference]: Finished difference Result 2525 states and 3343 transitions. [2024-11-07 21:02:52,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 21:02:52,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 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 48 [2024-11-07 21:02:52,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:52,778 INFO L225 Difference]: With dead ends: 2525 [2024-11-07 21:02:52,778 INFO L226 Difference]: Without dead ends: 2523 [2024-11-07 21:02:52,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 21:02:52,780 INFO L432 NwaCegarLoop]: 1245 mSDtfsCounter, 529 mSDsluCounter, 2033 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 114 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 3278 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:52,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 3278 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1257 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2024-11-07 21:02:52,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2024-11-07 21:02:52,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2510. [2024-11-07 21:02:52,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2510 states, 2090 states have (on average 1.4382775119617226) internal successors, (3006), 2308 states have internal predecessors, (3006), 160 states have call successors, (160), 51 states have call predecessors, (160), 51 states have return successors, (160), 155 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-07 21:02:52,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 3326 transitions. [2024-11-07 21:02:52,820 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 3326 transitions. Word has length 48 [2024-11-07 21:02:52,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:52,821 INFO L471 AbstractCegarLoop]: Abstraction has 2510 states and 3326 transitions. [2024-11-07 21:02:52,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 21:02:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 3326 transitions. [2024-11-07 21:02:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-07 21:02:52,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:52,822 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:02:52,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 21:02:52,822 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-07 21:02:52,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:52,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1306890302, now seen corresponding path program 2 times [2024-11-07 21:02:52,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:52,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617311795] [2024-11-07 21:02:52,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:52,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:53,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:02:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:02:53,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:53,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617311795] [2024-11-07 21:02:53,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617311795] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 21:02:53,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392389576] [2024-11-07 21:02:53,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 21:02:53,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:53,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:02:53,463 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 21:02:53,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 21:02:54,311 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 21:02:54,312 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 21:02:54,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 1325 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 21:02:54,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 21:02:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 21:02:54,456 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 21:02:54,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392389576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:02:54,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 21:02:54,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2024-11-07 21:02:54,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290921321] [2024-11-07 21:02:54,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:02:54,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:02:54,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:02:54,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:02:54,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 21:02:54,457 INFO L87 Difference]: Start difference. First operand 2510 states and 3326 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:58,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 21:02:59,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:02:59,176 INFO L93 Difference]: Finished difference Result 3970 states and 5207 transitions. [2024-11-07 21:02:59,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 21:02:59,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2024-11-07 21:02:59,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:02:59,181 INFO L225 Difference]: With dead ends: 3970 [2024-11-07 21:02:59,181 INFO L226 Difference]: Without dead ends: 1476 [2024-11-07 21:02:59,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 21:02:59,184 INFO L432 NwaCegarLoop]: 1682 mSDtfsCounter, 1679 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1679 SdHoareTripleChecker+Valid, 3096 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-07 21:02:59,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1679 Valid, 3096 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-07 21:02:59,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2024-11-07 21:02:59,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1476. [2024-11-07 21:02:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1087 states have (on average 1.4931002759889604) internal successors, (1623), 1303 states have internal predecessors, (1623), 135 states have call successors, (135), 47 states have call predecessors, (135), 47 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-07 21:02:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 1893 transitions. [2024-11-07 21:02:59,204 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 1893 transitions. Word has length 48 [2024-11-07 21:02:59,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:02:59,204 INFO L471 AbstractCegarLoop]: Abstraction has 1476 states and 1893 transitions. [2024-11-07 21:02:59,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 21:02:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1893 transitions. [2024-11-07 21:02:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-07 21:02:59,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:02:59,205 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:02:59,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 21:02:59,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 21:02:59,406 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_decodeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_decodeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2024-11-07 21:02:59,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:02:59,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1080389363, now seen corresponding path program 1 times [2024-11-07 21:02:59,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:02:59,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379344768] [2024-11-07 21:02:59,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:59,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:02:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:59,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:02:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:59,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 21:02:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:02:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 21:02:59,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:02:59,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379344768] [2024-11-07 21:02:59,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379344768] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 21:02:59,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397030031] [2024-11-07 21:02:59,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:02:59,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:02:59,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:02:59,942 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 21:02:59,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 21:03:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:03:00,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 1471 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 21:03:00,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 21:03:00,911 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 21:03:00,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 21:03:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 21:03:01,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397030031] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 21:03:01,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 21:03:01,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 11 [2024-11-07 21:03:01,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694321868] [2024-11-07 21:03:01,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 21:03:01,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 21:03:01,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:03:01,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 21:03:01,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-07 21:03:01,026 INFO L87 Difference]: Start difference. First operand 1476 states and 1893 transitions. Second operand has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 10 states have internal predecessors, (101), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 21:03:05,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 21:03:09,065 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 []