./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c9ee75e44352b6ea6b091abc908af4681506ed391b6529699b0d4480d6bf973b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:10:38,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:10:38,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 05:10:38,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:10:38,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:10:38,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:10:38,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:10:38,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:10:38,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:10:38,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:10:38,607 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:10:38,608 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:10:38,609 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:10:38,611 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:10:38,612 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:10:38,612 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:10:38,613 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:10:38,614 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:10:38,614 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:10:38,615 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:10:38,617 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:10:38,618 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:10:38,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:10:38,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:10:38,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:10:38,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:10:38,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:10:38,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:10:38,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:10:38,624 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:10:38,626 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:10:38,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:10:38,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:10:38,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:10:38,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:10:38,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:10:38,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:10:38,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:10:38,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:10:38,630 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:10:38,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:10:38,631 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:10:38,631 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:10:38,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:10:38,633 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ee75e44352b6ea6b091abc908af4681506ed391b6529699b0d4480d6bf973b [2023-11-19 05:10:38,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:10:39,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:10:39,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:10:39,022 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:10:39,023 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:10:39,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/../../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 [2023-11-19 05:10:42,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:10:42,946 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:10:42,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/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 [2023-11-19 05:10:43,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/data/638eb2797/7075ad6b35e944bbbdf285ad9f798634/FLAGd76a942ae [2023-11-19 05:10:43,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/data/638eb2797/7075ad6b35e944bbbdf285ad9f798634 [2023-11-19 05:10:43,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:10:43,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:10:43,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:43,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:10:43,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:10:43,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:43" (1/1) ... [2023-11-19 05:10:43,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2501c0b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:43, skipping insertion in model container [2023-11-19 05:10:43,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:10:43" (1/1) ... [2023-11-19 05:10:43,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:10:43,691 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2023-11-19 05:10:43,695 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2023-11-19 05:10:44,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:10:44,631 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:10:44,743 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2023-11-19 05:10:44,744 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2023-11-19 05:10:44,747 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] [2023-11-19 05:10:44,749 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] [2023-11-19 05:10:44,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (179), "i" (12UL)); [2687-2688] [2023-11-19 05:10:44,754 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] [2023-11-19 05:10:44,757 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] [2023-11-19 05:10:44,758 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] [2023-11-19 05:10:44,759 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] [2023-11-19 05:10:44,760 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] [2023-11-19 05:10:44,768 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] [2023-11-19 05:10:44,769 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] [2023-11-19 05:10:44,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2810] [2023-11-19 05:10:44,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2818] [2023-11-19 05:10:44,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:10:45,034 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:10:45,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45 WrapperNode [2023-11-19 05:10:45,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:10:45,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:10:45,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:10:45,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:10:45,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,309 INFO L138 Inliner]: procedures = 118, calls = 678, calls flagged for inlining = 41, calls inlined = 39, statements flattened = 2563 [2023-11-19 05:10:45,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:10:45,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:10:45,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:10:45,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:10:45,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:10:45,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:10:45,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:10:45,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:10:45,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (1/1) ... [2023-11-19 05:10:45,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:10:45,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:10:45,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:10:45,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:10:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2023-11-19 05:10:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2023-11-19 05:10:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 05:10:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 05:10:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2023-11-19 05:10:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2023-11-19 05:10:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 05:10:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 05:10:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2023-11-19 05:10:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2023-11-19 05:10:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:10:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:10:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:10:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2023-11-19 05:10:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2023-11-19 05:10:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2023-11-19 05:10:45,837 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2023-11-19 05:10:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:10:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:10:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-11-19 05:10:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-11-19 05:10:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2023-11-19 05:10:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2023-11-19 05:10:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-19 05:10:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-19 05:10:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:10:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 05:10:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 05:10:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2023-11-19 05:10:45,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2023-11-19 05:10:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:10:45,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 05:10:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:10:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:10:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:10:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:10:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:10:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:10:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:10:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-19 05:10:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-19 05:10:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:10:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2023-11-19 05:10:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2023-11-19 05:10:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 05:10:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 05:10:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:10:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:10:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-19 05:10:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-19 05:10:45,846 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-11-19 05:10:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-11-19 05:10:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:10:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:10:45,847 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 05:10:45,847 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 05:10:45,848 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2023-11-19 05:10:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2023-11-19 05:10:45,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:10:45,850 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2023-11-19 05:10:45,850 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2023-11-19 05:10:45,850 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-19 05:10:45,850 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-19 05:10:45,851 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2023-11-19 05:10:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2023-11-19 05:10:45,851 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2023-11-19 05:10:45,851 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2023-11-19 05:10:45,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:10:45,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-19 05:10:45,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-19 05:10:45,852 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2023-11-19 05:10:45,853 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2023-11-19 05:10:45,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:10:45,854 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-11-19 05:10:45,854 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-11-19 05:10:45,854 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2023-11-19 05:10:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2023-11-19 05:10:45,855 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2023-11-19 05:10:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2023-11-19 05:10:45,855 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:10:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:10:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2023-11-19 05:10:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2023-11-19 05:10:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:10:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:10:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 05:10:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 05:10:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:10:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2023-11-19 05:10:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2023-11-19 05:10:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-19 05:10:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-19 05:10:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2023-11-19 05:10:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2023-11-19 05:10:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 05:10:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 05:10:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:10:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:10:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2023-11-19 05:10:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2023-11-19 05:10:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-11-19 05:10:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-11-19 05:10:46,364 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:10:46,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:10:46,835 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:10:49,192 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:10:50,973 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:10:50,973 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 05:10:50,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:10:50 BoogieIcfgContainer [2023-11-19 05:10:50,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:10:50,988 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:10:50,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:10:50,993 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:10:50,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:10:43" (1/3) ... [2023-11-19 05:10:50,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2139189c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:10:50, skipping insertion in model container [2023-11-19 05:10:50,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:10:45" (2/3) ... [2023-11-19 05:10:50,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2139189c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:10:50, skipping insertion in model container [2023-11-19 05:10:50,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:10:50" (3/3) ... [2023-11-19 05:10:50,996 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 [2023-11-19 05:10:51,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:10:51,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 235 error locations. [2023-11-19 05:10:51,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:10:51,134 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@2380f39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:10:51,135 INFO L358 AbstractCegarLoop]: Starting to check reachability of 235 error locations. [2023-11-19 05:10:51,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 975 states, 558 states have (on average 1.6505376344086022) internal successors, (921), 808 states have internal predecessors, (921), 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) [2023-11-19 05:10:51,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 05:10:51,154 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:51,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:51,155 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 05:10:51,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:51,161 INFO L85 PathProgramCache]: Analyzing trace with hash 520661273, now seen corresponding path program 1 times [2023-11-19 05:10:51,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:10:51,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205968512] [2023-11-19 05:10:51,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:51,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:10:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:10:51,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:10:51,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205968512] [2023-11-19 05:10:51,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205968512] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:51,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:10:51,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:10:51,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650950111] [2023-11-19 05:10:51,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:51,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:10:51,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:10:51,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:10:51,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:51,834 INFO L87 Difference]: Start difference. First operand has 975 states, 558 states have (on average 1.6505376344086022) internal successors, (921), 808 states have internal predecessors, (921), 138 states have call successors, (138), 45 states have call predecessors, (138), 44 states have return successors, (135), 130 states have call predecessors, (135), 135 states have call successors, (135) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2023-11-19 05:10:52,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:10:52,648 INFO L93 Difference]: Finished difference Result 1974 states and 2452 transitions. [2023-11-19 05:10:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:10:52,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 15 [2023-11-19 05:10:52,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:10:52,689 INFO L225 Difference]: With dead ends: 1974 [2023-11-19 05:10:52,689 INFO L226 Difference]: Without dead ends: 985 [2023-11-19 05:10:52,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:52,747 INFO L413 NwaCegarLoop]: 1023 mSDtfsCounter, 69 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 2035 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:10:52,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 2035 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 05:10:52,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2023-11-19 05:10:52,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 979. [2023-11-19 05:10:52,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 585 states have (on average 1.6) internal successors, (936), 807 states have internal predecessors, (936), 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) [2023-11-19 05:10:52,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1206 transitions. [2023-11-19 05:10:52,880 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1206 transitions. Word has length 15 [2023-11-19 05:10:52,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:10:52,881 INFO L495 AbstractCegarLoop]: Abstraction has 979 states and 1206 transitions. [2023-11-19 05:10:52,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2023-11-19 05:10:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1206 transitions. [2023-11-19 05:10:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 05:10:52,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:52,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:52,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:10:52,883 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 05:10:52,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:52,883 INFO L85 PathProgramCache]: Analyzing trace with hash -887340499, now seen corresponding path program 1 times [2023-11-19 05:10:52,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:10:52,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752405599] [2023-11-19 05:10:52,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:52,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:10:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:10:53,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:10:53,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752405599] [2023-11-19 05:10:53,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752405599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:53,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:10:53,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:10:53,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805800736] [2023-11-19 05:10:53,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:53,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:10:53,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:10:53,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:10:53,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:53,053 INFO L87 Difference]: Start difference. First operand 979 states and 1206 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-19 05:10:53,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:10:53,696 INFO L93 Difference]: Finished difference Result 1983 states and 2462 transitions. [2023-11-19 05:10:53,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:10:53,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 17 [2023-11-19 05:10:53,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:10:53,706 INFO L225 Difference]: With dead ends: 1983 [2023-11-19 05:10:53,707 INFO L226 Difference]: Without dead ends: 1015 [2023-11-19 05:10:53,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:53,713 INFO L413 NwaCegarLoop]: 998 mSDtfsCounter, 20 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1991 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:10:53,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1991 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 05:10:53,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2023-11-19 05:10:53,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 1013. [2023-11-19 05:10:53,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 617 states have (on average 1.5948136142625609) internal successors, (984), 839 states have internal predecessors, (984), 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) [2023-11-19 05:10:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1258 transitions. [2023-11-19 05:10:53,773 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1258 transitions. Word has length 17 [2023-11-19 05:10:53,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:10:53,774 INFO L495 AbstractCegarLoop]: Abstraction has 1013 states and 1258 transitions. [2023-11-19 05:10:53,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-19 05:10:53,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1258 transitions. [2023-11-19 05:10:53,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 05:10:53,775 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:53,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:53,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:10:53,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 05:10:53,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:53,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1810935665, now seen corresponding path program 1 times [2023-11-19 05:10:53,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:10:53,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917242695] [2023-11-19 05:10:53,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:53,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:10:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:10:53,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:10:53,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917242695] [2023-11-19 05:10:53,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917242695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:53,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:10:53,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:10:53,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331265410] [2023-11-19 05:10:53,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:53,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:10:53,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:10:53,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:10:53,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:53,953 INFO L87 Difference]: Start difference. First operand 1013 states and 1258 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-19 05:10:54,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:10:54,523 INFO L93 Difference]: Finished difference Result 1079 states and 1362 transitions. [2023-11-19 05:10:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:10:54,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 19 [2023-11-19 05:10:54,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:10:54,532 INFO L225 Difference]: With dead ends: 1079 [2023-11-19 05:10:54,532 INFO L226 Difference]: Without dead ends: 1077 [2023-11-19 05:10:54,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:54,535 INFO L413 NwaCegarLoop]: 1006 mSDtfsCounter, 21 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2004 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:10:54,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2004 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 05:10:54,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2023-11-19 05:10:54,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1033. [2023-11-19 05:10:54,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 637 states have (on average 1.5886970172684458) internal successors, (1012), 859 states have internal predecessors, (1012), 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) [2023-11-19 05:10:54,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1286 transitions. [2023-11-19 05:10:54,584 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1286 transitions. Word has length 19 [2023-11-19 05:10:54,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:10:54,585 INFO L495 AbstractCegarLoop]: Abstraction has 1033 states and 1286 transitions. [2023-11-19 05:10:54,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-19 05:10:54,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1286 transitions. [2023-11-19 05:10:54,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 05:10:54,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:54,586 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:54,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:10:54,587 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 05:10:54,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:54,587 INFO L85 PathProgramCache]: Analyzing trace with hash 765486862, now seen corresponding path program 1 times [2023-11-19 05:10:54,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:10:54,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039893261] [2023-11-19 05:10:54,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:54,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:10:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:54,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:10:54,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:10:54,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039893261] [2023-11-19 05:10:54,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039893261] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:10:54,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797654998] [2023-11-19 05:10:54,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:54,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:10:54,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:10:54,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:10:54,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:10:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:55,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:10:55,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:10:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:10:55,327 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:10:55,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797654998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:55,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:10:55,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-19 05:10:55,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025436069] [2023-11-19 05:10:55,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:55,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:10:55,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:10:55,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:10:55,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:10:55,330 INFO L87 Difference]: Start difference. First operand 1033 states and 1286 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 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) [2023-11-19 05:10:55,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:10:55,941 INFO L93 Difference]: Finished difference Result 1035 states and 1286 transitions. [2023-11-19 05:10:55,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:10:55,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 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 [2023-11-19 05:10:55,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:10:55,950 INFO L225 Difference]: With dead ends: 1035 [2023-11-19 05:10:55,950 INFO L226 Difference]: Without dead ends: 1033 [2023-11-19 05:10:55,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:10:55,956 INFO L413 NwaCegarLoop]: 1008 mSDtfsCounter, 44 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 2001 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:10:55,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 2001 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 05:10:55,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2023-11-19 05:10:55,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1031. [2023-11-19 05:10:56,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 637 states have (on average 1.5824175824175823) internal successors, (1008), 857 states have internal predecessors, (1008), 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) [2023-11-19 05:10:56,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1282 transitions. [2023-11-19 05:10:56,009 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1282 transitions. Word has length 20 [2023-11-19 05:10:56,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:10:56,010 INFO L495 AbstractCegarLoop]: Abstraction has 1031 states and 1282 transitions. [2023-11-19 05:10:56,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 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) [2023-11-19 05:10:56,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1282 transitions. [2023-11-19 05:10:56,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 05:10:56,012 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:56,012 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:56,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:10:56,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:10:56,234 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 05:10:56,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:56,234 INFO L85 PathProgramCache]: Analyzing trace with hash -2039708467, now seen corresponding path program 1 times [2023-11-19 05:10:56,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:10:56,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833413041] [2023-11-19 05:10:56,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:56,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:10:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:56,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 05:10:56,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:10:56,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833413041] [2023-11-19 05:10:56,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833413041] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:56,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:10:56,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:10:56,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702306105] [2023-11-19 05:10:56,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:56,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:10:56,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:10:56,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:10:56,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:56,351 INFO L87 Difference]: Start difference. First operand 1031 states and 1282 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:10:56,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:10:56,813 INFO L93 Difference]: Finished difference Result 1033 states and 1282 transitions. [2023-11-19 05:10:56,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:10:56,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-11-19 05:10:56,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:10:56,820 INFO L225 Difference]: With dead ends: 1033 [2023-11-19 05:10:56,821 INFO L226 Difference]: Without dead ends: 1032 [2023-11-19 05:10:56,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:10:56,822 INFO L413 NwaCegarLoop]: 995 mSDtfsCounter, 20 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1988 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:10:56,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1988 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 05:10:56,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2023-11-19 05:10:56,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1026. [2023-11-19 05:10:56,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 633 states have (on average 1.5829383886255923) internal successors, (1002), 852 states have internal predecessors, (1002), 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) [2023-11-19 05:10:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1276 transitions. [2023-11-19 05:10:56,868 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1276 transitions. Word has length 21 [2023-11-19 05:10:56,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:10:56,869 INFO L495 AbstractCegarLoop]: Abstraction has 1026 states and 1276 transitions. [2023-11-19 05:10:56,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:10:56,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1276 transitions. [2023-11-19 05:10:56,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 05:10:56,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:56,877 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:56,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 05:10:56,877 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 05:10:56,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:56,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1515657572, now seen corresponding path program 1 times [2023-11-19 05:10:56,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:10:56,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579370119] [2023-11-19 05:10:56,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:56,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:10:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:57,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:10:57,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:10:57,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579370119] [2023-11-19 05:10:57,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579370119] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:10:57,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864295964] [2023-11-19 05:10:57,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:57,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:10:57,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:10:57,086 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:10:57,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 05:10:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:57,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:10:57,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:10:57,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:10:57,461 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:10:57,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864295964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:10:57,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:10:57,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-19 05:10:57,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504042880] [2023-11-19 05:10:57,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:10:57,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:10:57,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:10:57,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:10:57,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:10:57,463 INFO L87 Difference]: Start difference. First operand 1026 states and 1276 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) [2023-11-19 05:10:57,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:10:57,922 INFO L93 Difference]: Finished difference Result 1073 states and 1346 transitions. [2023-11-19 05:10:57,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:10:57,923 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 [2023-11-19 05:10:57,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:10:57,930 INFO L225 Difference]: With dead ends: 1073 [2023-11-19 05:10:57,930 INFO L226 Difference]: Without dead ends: 1072 [2023-11-19 05:10:57,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:10:57,932 INFO L413 NwaCegarLoop]: 1015 mSDtfsCounter, 37 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 2013 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:10:57,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 2013 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 05:10:57,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2023-11-19 05:10:57,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1025. [2023-11-19 05:10:57,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 633 states have (on average 1.5766192733017377) internal successors, (998), 851 states have internal predecessors, (998), 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) [2023-11-19 05:10:57,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1272 transitions. [2023-11-19 05:10:57,975 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1272 transitions. Word has length 24 [2023-11-19 05:10:57,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:10:57,976 INFO L495 AbstractCegarLoop]: Abstraction has 1025 states and 1272 transitions. [2023-11-19 05:10:57,976 INFO L496 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) [2023-11-19 05:10:57,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1272 transitions. [2023-11-19 05:10:57,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 05:10:57,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:10:57,977 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:10:58,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-19 05:10:58,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-19 05:10:58,200 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 05:10:58,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:10:58,200 INFO L85 PathProgramCache]: Analyzing trace with hash 259258066, now seen corresponding path program 1 times [2023-11-19 05:10:58,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:10:58,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514029521] [2023-11-19 05:10:58,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:58,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:10:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:10:58,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:10:58,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514029521] [2023-11-19 05:10:58,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514029521] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:10:58,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829018145] [2023-11-19 05:10:58,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:10:58,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:10:58,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:10:58,333 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:10:58,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df6f3e-7d80-40d7-a9c3-b79b4bb697aa/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 05:10:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:10:58,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:10:58,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:10:58,704 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:10:58,704 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:10:58,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:10:58,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829018145] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:10:58,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [193684771] [2023-11-19 05:10:58,767 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2023-11-19 05:10:58,767 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 05:10:58,771 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 05:10:58,778 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 05:10:58,779 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs