./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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu --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 0.2.3-dev-9bd2c7f [2023-11-19 07:59:46,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:59:46,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:59:46,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:59:46,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:59:46,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:59:46,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:59:46,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:59:46,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:59:46,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:59:46,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:59:46,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:59:46,940 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:59:46,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:59:46,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:59:46,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:59:46,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:59:46,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:59:46,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:59:46,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:59:46,946 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:59:46,949 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:59:46,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:59:46,950 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:59:46,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:59:46,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:59:46,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:59:46,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:46,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:59:46,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:59:46,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:59:46,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:59:46,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:59:46,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:59:46,958 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:59:46,959 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:59:46,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:59:46,959 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:59:46,959 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9ee75e44352b6ea6b091abc908af4681506ed391b6529699b0d4480d6bf973b [2023-11-19 07:59:47,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:59:47,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:59:47,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:59:47,344 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:59:47,344 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:59:47,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/../../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 07:59:50,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:59:51,194 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:59:51,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/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 07:59:51,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/data/5b485d5c3/883f70c5dde4496abb81434332be87db/FLAGea8febe28 [2023-11-19 07:59:51,258 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/data/5b485d5c3/883f70c5dde4496abb81434332be87db [2023-11-19 07:59:51,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:59:51,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:59:51,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:51,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:59:51,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:59:51,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:51" (1/1) ... [2023-11-19 07:59:51,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ac55b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:51, skipping insertion in model container [2023-11-19 07:59:51,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:51" (1/1) ... [2023-11-19 07:59:51,389 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:59:51,899 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 07:59:51,900 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 07:59:52,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:52,607 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:59:52,682 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 07:59:52,683 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 07:59:52,686 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 07:59:52,688 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 07:59:52,691 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 07:59:52,692 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 07:59:52,694 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 07:59:52,694 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 07:59:52,696 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 07:59:52,697 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 07:59:52,698 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 07:59:52,699 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 07:59:52,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2810] [2023-11-19 07:59:52,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2818] [2023-11-19 07:59:52,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:52,898 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:59:52,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:52 WrapperNode [2023-11-19 07:59:52,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:52,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:52,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:59:52,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:59:52,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:52" (1/1) ... [2023-11-19 07:59:52,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:52" (1/1) ... [2023-11-19 07:59:53,168 INFO L138 Inliner]: procedures = 118, calls = 678, calls flagged for inlining = 41, calls inlined = 39, statements flattened = 2563 [2023-11-19 07:59:53,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:53,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:59:53,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:59:53,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:59:53,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:52" (1/1) ... [2023-11-19 07:59:53,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:52" (1/1) ... [2023-11-19 07:59:53,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:52" (1/1) ... [2023-11-19 07:59:53,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:52" (1/1) ... [2023-11-19 07:59:53,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:52" (1/1) ... [2023-11-19 07:59:53,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:52" (1/1) ... [2023-11-19 07:59:53,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:52" (1/1) ... [2023-11-19 07:59:53,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:52" (1/1) ... [2023-11-19 07:59:53,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:59:53,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:59:53,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:59:53,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:59:53,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:52" (1/1) ... [2023-11-19 07:59:53,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:53,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:53,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:53,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:59:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2023-11-19 07:59:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2023-11-19 07:59:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 07:59:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 07:59:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2023-11-19 07:59:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2023-11-19 07:59:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 07:59:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 07:59:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2023-11-19 07:59:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2023-11-19 07:59:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:59:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:59:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:59:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2023-11-19 07:59:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2023-11-19 07:59:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2023-11-19 07:59:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2023-11-19 07:59:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:59:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:59:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2023-11-19 07:59:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2023-11-19 07:59:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2023-11-19 07:59:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2023-11-19 07:59:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-19 07:59:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-19 07:59:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:59:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 07:59:53,593 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 07:59:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2023-11-19 07:59:53,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2023-11-19 07:59:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:59:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:59:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:59:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:59:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:59:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:59:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:59:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:59:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:59:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-19 07:59:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-19 07:59:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:59:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2023-11-19 07:59:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2023-11-19 07:59:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:59:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:59:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:59:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:59:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2023-11-19 07:59:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2023-11-19 07:59:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2023-11-19 07:59:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2023-11-19 07:59:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:59:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:59:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 07:59:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 07:59:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2023-11-19 07:59:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2023-11-19 07:59:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:59:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2023-11-19 07:59:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2023-11-19 07:59:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-19 07:59:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-19 07:59:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2023-11-19 07:59:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2023-11-19 07:59:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2023-11-19 07:59:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2023-11-19 07:59:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:59:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-19 07:59:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-19 07:59:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2023-11-19 07:59:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2023-11-19 07:59:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:59:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2023-11-19 07:59:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2023-11-19 07:59:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2023-11-19 07:59:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2023-11-19 07:59:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2023-11-19 07:59:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2023-11-19 07:59:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:59:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:59:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2023-11-19 07:59:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2023-11-19 07:59:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:59:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:59:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:59:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:59:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:59:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2023-11-19 07:59:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2023-11-19 07:59:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2023-11-19 07:59:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2023-11-19 07:59:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2023-11-19 07:59:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2023-11-19 07:59:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:59:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:59:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:59:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:59:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2023-11-19 07:59:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2023-11-19 07:59:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2023-11-19 07:59:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2023-11-19 07:59:54,042 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:59:54,047 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:59:54,412 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:59:56,744 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:59:56,766 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:59:56,767 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:59:56,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:56 BoogieIcfgContainer [2023-11-19 07:59:56,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:59:56,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:59:56,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:59:56,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:59:56,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:59:51" (1/3) ... [2023-11-19 07:59:56,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffdeb49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:56, skipping insertion in model container [2023-11-19 07:59:56,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:52" (2/3) ... [2023-11-19 07:59:56,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffdeb49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:56, skipping insertion in model container [2023-11-19 07:59:56,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:56" (3/3) ... [2023-11-19 07:59:56,789 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 07:59:56,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:59:56,813 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 235 error locations. [2023-11-19 07:59:56,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:59:56,914 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=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;@be944be, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:59:56,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 235 error locations. [2023-11-19 07:59:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 1287 states, 870 states have (on average 1.6310344827586207) internal successors, (1419), 1120 states have internal predecessors, (1419), 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 07:59:56,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 07:59:56,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:56,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:56,937 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 07:59:56,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:56,944 INFO L85 PathProgramCache]: Analyzing trace with hash 421626090, now seen corresponding path program 1 times [2023-11-19 07:59:56,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:56,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987350756] [2023-11-19 07:59:56,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:56,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:57,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:59:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:57,623 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 07:59:57,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:57,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987350756] [2023-11-19 07:59:57,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987350756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:57,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:57,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:59:57,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098756673] [2023-11-19 07:59:57,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:57,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:59:57,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:57,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:59:57,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:59:57,696 INFO L87 Difference]: Start difference. First operand has 1287 states, 870 states have (on average 1.6310344827586207) internal successors, (1419), 1120 states have internal predecessors, (1419), 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) [2023-11-19 07:59:59,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:59,843 INFO L93 Difference]: Finished difference Result 2621 states and 3491 transitions. [2023-11-19 07:59:59,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:59:59,846 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 [2023-11-19 07:59:59,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:59,871 INFO L225 Difference]: With dead ends: 2621 [2023-11-19 07:59:59,871 INFO L226 Difference]: Without dead ends: 1309 [2023-11-19 07:59:59,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 07:59:59,887 INFO L413 NwaCegarLoop]: 1193 mSDtfsCounter, 542 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 3102 SdHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:59,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 3102 Invalid, 1373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-19 07:59:59,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2023-11-19 08:00:00,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1294. [2023-11-19 08:00:00,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 900 states have (on average 1.5855555555555556) internal successors, (1427), 1122 states have internal predecessors, (1427), 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 08:00:00,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1697 transitions. [2023-11-19 08:00:00,040 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1697 transitions. Word has length 18 [2023-11-19 08:00:00,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:00,045 INFO L495 AbstractCegarLoop]: Abstraction has 1294 states and 1697 transitions. [2023-11-19 08:00:00,046 INFO L496 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) [2023-11-19 08:00:00,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1697 transitions. [2023-11-19 08:00:00,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 08:00:00,047 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:00,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:00,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:00:00,047 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 08:00:00,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:00,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1556377259, now seen corresponding path program 1 times [2023-11-19 08:00:00,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:00,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83834283] [2023-11-19 08:00:00,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:00,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:00,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:00,337 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 08:00:00,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:00,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83834283] [2023-11-19 08:00:00,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83834283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:00,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:00,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:00:00,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049097856] [2023-11-19 08:00:00,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:00,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:00,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:00,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:00,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:00,342 INFO L87 Difference]: Start difference. First operand 1294 states and 1697 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) [2023-11-19 08:00:02,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:02,424 INFO L93 Difference]: Finished difference Result 2625 states and 3460 transitions. [2023-11-19 08:00:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:02,425 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 [2023-11-19 08:00:02,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:02,436 INFO L225 Difference]: With dead ends: 2625 [2023-11-19 08:00:02,436 INFO L226 Difference]: Without dead ends: 1347 [2023-11-19 08:00:02,441 INFO L412 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 [2023-11-19 08:00:02,443 INFO L413 NwaCegarLoop]: 1167 mSDtfsCounter, 458 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 3044 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:02,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 3044 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-19 08:00:02,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2023-11-19 08:00:02,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1336. [2023-11-19 08:00:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 940 states have (on average 1.577659574468085) internal successors, (1483), 1162 states have internal predecessors, (1483), 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 08:00:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1757 transitions. [2023-11-19 08:00:02,517 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1757 transitions. Word has length 20 [2023-11-19 08:00:02,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:02,517 INFO L495 AbstractCegarLoop]: Abstraction has 1336 states and 1757 transitions. [2023-11-19 08:00:02,518 INFO L496 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) [2023-11-19 08:00:02,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1757 transitions. [2023-11-19 08:00:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 08:00:02,519 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:02,520 INFO L195 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] [2023-11-19 08:00:02,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:00:02,520 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 08:00:02,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:02,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1095385621, now seen corresponding path program 1 times [2023-11-19 08:00:02,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:02,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794291891] [2023-11-19 08:00:02,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:02,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:02,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:02,659 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 08:00:02,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:02,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794291891] [2023-11-19 08:00:02,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794291891] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:02,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:02,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:00:02,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650409422] [2023-11-19 08:00:02,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:02,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:02,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:02,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:02,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:02,663 INFO L87 Difference]: Start difference. First operand 1336 states and 1757 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) [2023-11-19 08:00:04,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:04,694 INFO L93 Difference]: Finished difference Result 1425 states and 1888 transitions. [2023-11-19 08:00:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:04,695 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 [2023-11-19 08:00:04,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:04,706 INFO L225 Difference]: With dead ends: 1425 [2023-11-19 08:00:04,706 INFO L226 Difference]: Without dead ends: 1423 [2023-11-19 08:00:04,707 INFO L412 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 [2023-11-19 08:00:04,709 INFO L413 NwaCegarLoop]: 1186 mSDtfsCounter, 460 mSDsluCounter, 1901 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 3087 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:04,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 3087 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-19 08:00:04,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2023-11-19 08:00:04,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1360. [2023-11-19 08:00:04,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1360 states, 964 states have (on average 1.5715767634854771) internal successors, (1515), 1186 states have internal predecessors, (1515), 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 08:00:04,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1360 states and 1789 transitions. [2023-11-19 08:00:04,772 INFO L78 Accepts]: Start accepts. Automaton has 1360 states and 1789 transitions. Word has length 23 [2023-11-19 08:00:04,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:04,772 INFO L495 AbstractCegarLoop]: Abstraction has 1360 states and 1789 transitions. [2023-11-19 08:00:04,773 INFO L496 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) [2023-11-19 08:00:04,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1789 transitions. [2023-11-19 08:00:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 08:00:04,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:04,774 INFO L195 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] [2023-11-19 08:00:04,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:00:04,775 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 08:00:04,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:04,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1837622245, now seen corresponding path program 1 times [2023-11-19 08:00:04,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:04,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101466106] [2023-11-19 08:00:04,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:04,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:04,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:04,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:04,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:04,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101466106] [2023-11-19 08:00:04,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101466106] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:00:04,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775985861] [2023-11-19 08:00:04,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:04,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:04,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:04,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:04,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:00:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:05,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:05,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:05,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:05,450 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:05,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775985861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:05,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:00:05,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-19 08:00:05,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264872548] [2023-11-19 08:00:05,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:05,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:05,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:05,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:05,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:05,455 INFO L87 Difference]: Start difference. First operand 1360 states and 1789 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 08:00:05,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:05,592 INFO L93 Difference]: Finished difference Result 1362 states and 1789 transitions. [2023-11-19 08:00:05,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:05,595 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 08:00:05,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:05,604 INFO L225 Difference]: With dead ends: 1362 [2023-11-19 08:00:05,605 INFO L226 Difference]: Without dead ends: 1360 [2023-11-19 08:00:05,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:05,607 INFO L413 NwaCegarLoop]: 1623 mSDtfsCounter, 49 mSDsluCounter, 3193 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 4816 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:05,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 4816 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:05,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2023-11-19 08:00:05,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1358. [2023-11-19 08:00:05,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1358 states, 964 states have (on average 1.5674273858921162) internal successors, (1511), 1184 states have internal predecessors, (1511), 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 08:00:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1358 states and 1785 transitions. [2023-11-19 08:00:05,675 INFO L78 Accepts]: Start accepts. Automaton has 1358 states and 1785 transitions. Word has length 24 [2023-11-19 08:00:05,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:05,675 INFO L495 AbstractCegarLoop]: Abstraction has 1358 states and 1785 transitions. [2023-11-19 08:00:05,676 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 08:00:05,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1785 transitions. [2023-11-19 08:00:05,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 08:00:05,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:05,683 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, 1] [2023-11-19 08:00:05,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:05,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:05,897 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 08:00:05,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:05,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1131712160, now seen corresponding path program 1 times [2023-11-19 08:00:05,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:05,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452060692] [2023-11-19 08:00:05,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:05,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:06,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:00:06,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:06,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452060692] [2023-11-19 08:00:06,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452060692] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:06,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:06,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:00:06,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052883253] [2023-11-19 08:00:06,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:06,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:06,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:06,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:06,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:06,079 INFO L87 Difference]: Start difference. First operand 1358 states and 1785 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) [2023-11-19 08:00:07,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:07,931 INFO L93 Difference]: Finished difference Result 1369 states and 1798 transitions. [2023-11-19 08:00:07,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:07,932 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 [2023-11-19 08:00:07,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:07,940 INFO L225 Difference]: With dead ends: 1369 [2023-11-19 08:00:07,941 INFO L226 Difference]: Without dead ends: 1368 [2023-11-19 08:00:07,942 INFO L412 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 [2023-11-19 08:00:07,943 INFO L413 NwaCegarLoop]: 1164 mSDtfsCounter, 458 mSDsluCounter, 1874 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 3038 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:07,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 3038 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1249 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-19 08:00:07,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2023-11-19 08:00:07,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1351. [2023-11-19 08:00:07,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 958 states have (on average 1.568893528183716) internal successors, (1503), 1177 states have internal predecessors, (1503), 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 08:00:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1777 transitions. [2023-11-19 08:00:08,010 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1777 transitions. Word has length 25 [2023-11-19 08:00:08,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:08,010 INFO L495 AbstractCegarLoop]: Abstraction has 1351 states and 1777 transitions. [2023-11-19 08:00:08,010 INFO L496 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) [2023-11-19 08:00:08,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1777 transitions. [2023-11-19 08:00:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 08:00:08,012 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:08,012 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, 1, 1, 1, 1] [2023-11-19 08:00:08,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 08:00:08,013 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 08:00:08,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:08,013 INFO L85 PathProgramCache]: Analyzing trace with hash 780213633, now seen corresponding path program 1 times [2023-11-19 08:00:08,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:08,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531212314] [2023-11-19 08:00:08,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:08,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:08,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:08,237 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 08:00:08,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:08,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531212314] [2023-11-19 08:00:08,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531212314] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:00:08,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691619295] [2023-11-19 08:00:08,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:08,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:08,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:08,243 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:08,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:00:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:08,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:08,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:08,580 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:08,580 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:08,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691619295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:08,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:00:08,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-19 08:00:08,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571518327] [2023-11-19 08:00:08,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:08,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:08,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:08,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:08,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:08,583 INFO L87 Difference]: Start difference. First operand 1351 states and 1777 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) [2023-11-19 08:00:08,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:08,658 INFO L93 Difference]: Finished difference Result 1412 states and 1861 transitions. [2023-11-19 08:00:08,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:08,659 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 [2023-11-19 08:00:08,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:08,668 INFO L225 Difference]: With dead ends: 1412 [2023-11-19 08:00:08,668 INFO L226 Difference]: Without dead ends: 1411 [2023-11-19 08:00:08,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:08,670 INFO L413 NwaCegarLoop]: 1649 mSDtfsCounter, 44 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 4863 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:08,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 4863 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:00:08,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2023-11-19 08:00:08,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1350. [2023-11-19 08:00:08,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1350 states, 958 states have (on average 1.5647181628392484) internal successors, (1499), 1176 states have internal predecessors, (1499), 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 08:00:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1773 transitions. [2023-11-19 08:00:08,726 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1773 transitions. Word has length 29 [2023-11-19 08:00:08,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:08,728 INFO L495 AbstractCegarLoop]: Abstraction has 1350 states and 1773 transitions. [2023-11-19 08:00:08,728 INFO L496 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) [2023-11-19 08:00:08,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1773 transitions. [2023-11-19 08:00:08,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 08:00:08,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:08,730 INFO L195 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] [2023-11-19 08:00:08,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:08,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-19 08:00:08,952 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 08:00:08,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:08,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1583178611, now seen corresponding path program 1 times [2023-11-19 08:00:08,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:08,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331316104] [2023-11-19 08:00:08,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:08,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:09,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:09,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331316104] [2023-11-19 08:00:09,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331316104] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:00:09,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703124533] [2023-11-19 08:00:09,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:09,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:09,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:09,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:09,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:00:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:09,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:09,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:09,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:09,510 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:09,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703124533] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:09,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:00:09,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2023-11-19 08:00:09,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803923558] [2023-11-19 08:00:09,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:09,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:00:09,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:09,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:00:09,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:00:09,562 INFO L87 Difference]: Start difference. First operand 1350 states and 1773 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) [2023-11-19 08:00:12,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:12,311 INFO L93 Difference]: Finished difference Result 1636 states and 2182 transitions. [2023-11-19 08:00:12,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:00:12,312 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 [2023-11-19 08:00:12,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:12,322 INFO L225 Difference]: With dead ends: 1636 [2023-11-19 08:00:12,323 INFO L226 Difference]: Without dead ends: 1635 [2023-11-19 08:00:12,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:00:12,324 INFO L413 NwaCegarLoop]: 1180 mSDtfsCounter, 519 mSDsluCounter, 6263 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 7443 SdHoareTripleChecker+Invalid, 3492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:12,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 7443 Invalid, 3492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [115 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-19 08:00:12,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2023-11-19 08:00:12,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1422. [2023-11-19 08:00:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1422 states, 1030 states have (on average 1.5485436893203883) internal successors, (1595), 1248 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) [2023-11-19 08:00:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1869 transitions. [2023-11-19 08:00:12,383 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1869 transitions. Word has length 30 [2023-11-19 08:00:12,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:12,383 INFO L495 AbstractCegarLoop]: Abstraction has 1422 states and 1869 transitions. [2023-11-19 08:00:12,383 INFO L496 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) [2023-11-19 08:00:12,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1869 transitions. [2023-11-19 08:00:12,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 08:00:12,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:12,385 INFO L195 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] [2023-11-19 08:00:12,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:12,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-19 08:00:12,600 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 08:00:12,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:12,600 INFO L85 PathProgramCache]: Analyzing trace with hash 206739901, now seen corresponding path program 1 times [2023-11-19 08:00:12,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:12,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67259228] [2023-11-19 08:00:12,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:12,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:12,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:12,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67259228] [2023-11-19 08:00:12,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67259228] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:00:12,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026793561] [2023-11-19 08:00:12,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:12,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:12,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:12,774 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:12,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:00:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:13,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:13,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:13,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:13,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026793561] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:13,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:00:13,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2023-11-19 08:00:13,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409144622] [2023-11-19 08:00:13,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:13,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:00:13,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:13,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:00:13,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:00:13,290 INFO L87 Difference]: Start difference. First operand 1422 states and 1869 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) [2023-11-19 08:00:15,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:15,592 INFO L93 Difference]: Finished difference Result 3109 states and 4110 transitions. [2023-11-19 08:00:15,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:00:15,593 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 [2023-11-19 08:00:15,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:15,605 INFO L225 Difference]: With dead ends: 3109 [2023-11-19 08:00:15,606 INFO L226 Difference]: Without dead ends: 1703 [2023-11-19 08:00:15,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:00:15,611 INFO L413 NwaCegarLoop]: 1162 mSDtfsCounter, 560 mSDsluCounter, 1930 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 3092 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:15,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 3092 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-19 08:00:15,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2023-11-19 08:00:15,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1676. [2023-11-19 08:00:15,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1676 states, 1278 states have (on average 1.5125195618153364) internal successors, (1933), 1496 states have internal predecessors, (1933), 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) [2023-11-19 08:00:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1676 states and 2219 transitions. [2023-11-19 08:00:15,676 INFO L78 Accepts]: Start accepts. Automaton has 1676 states and 2219 transitions. Word has length 32 [2023-11-19 08:00:15,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:15,676 INFO L495 AbstractCegarLoop]: Abstraction has 1676 states and 2219 transitions. [2023-11-19 08:00:15,676 INFO L496 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) [2023-11-19 08:00:15,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2219 transitions. [2023-11-19 08:00:15,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 08:00:15,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:15,678 INFO L195 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] [2023-11-19 08:00:15,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:15,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-19 08:00:15,901 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 08:00:15,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:15,901 INFO L85 PathProgramCache]: Analyzing trace with hash -83169932, now seen corresponding path program 1 times [2023-11-19 08:00:15,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:15,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512455899] [2023-11-19 08:00:15,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:15,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:16,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 08:00:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:16,097 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 08:00:16,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:16,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512455899] [2023-11-19 08:00:16,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512455899] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:16,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:16,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:00:16,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662007696] [2023-11-19 08:00:16,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:16,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:16,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:16,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:16,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:16,101 INFO L87 Difference]: Start difference. First operand 1676 states and 2219 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) [2023-11-19 08:00:18,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:18,032 INFO L93 Difference]: Finished difference Result 3592 states and 4776 transitions. [2023-11-19 08:00:18,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:00:18,033 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 [2023-11-19 08:00:18,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:18,045 INFO L225 Difference]: With dead ends: 3592 [2023-11-19 08:00:18,045 INFO L226 Difference]: Without dead ends: 1932 [2023-11-19 08:00:18,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 08:00:18,052 INFO L413 NwaCegarLoop]: 1233 mSDtfsCounter, 514 mSDsluCounter, 1918 mSDsCounter, 0 mSdLazyCounter, 1253 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 3151 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:18,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 3151 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1253 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-19 08:00:18,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2023-11-19 08:00:18,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1921. [2023-11-19 08:00:18,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1921 states, 1517 states have (on average 1.4897824653922216) internal successors, (2260), 1735 states have internal predecessors, (2260), 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) [2023-11-19 08:00:18,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1921 states and 2556 transitions. [2023-11-19 08:00:18,122 INFO L78 Accepts]: Start accepts. Automaton has 1921 states and 2556 transitions. Word has length 47 [2023-11-19 08:00:18,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:18,123 INFO L495 AbstractCegarLoop]: Abstraction has 1921 states and 2556 transitions. [2023-11-19 08:00:18,123 INFO L496 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) [2023-11-19 08:00:18,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2556 transitions. [2023-11-19 08:00:18,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 08:00:18,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:18,125 INFO L195 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] [2023-11-19 08:00:18,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 08:00:18,126 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 08:00:18,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:18,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1730063134, now seen corresponding path program 1 times [2023-11-19 08:00:18,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:18,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570529779] [2023-11-19 08:00:18,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:18,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:18,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:18,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 08:00:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:00:18,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:18,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570529779] [2023-11-19 08:00:18,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570529779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:18,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:18,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:00:18,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305651277] [2023-11-19 08:00:18,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:18,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:18,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:18,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:18,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:18,336 INFO L87 Difference]: Start difference. First operand 1921 states and 2556 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) [2023-11-19 08:00:19,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:19,899 INFO L93 Difference]: Finished difference Result 2433 states and 3251 transitions. [2023-11-19 08:00:19,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:00:19,900 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 [2023-11-19 08:00:19,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:19,914 INFO L225 Difference]: With dead ends: 2433 [2023-11-19 08:00:19,915 INFO L226 Difference]: Without dead ends: 2431 [2023-11-19 08:00:19,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 08:00:19,917 INFO L413 NwaCegarLoop]: 1173 mSDtfsCounter, 507 mSDsluCounter, 1880 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 3053 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:19,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 3053 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-19 08:00:19,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2023-11-19 08:00:19,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 2418. [2023-11-19 08:00:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2418 states, 1998 states have (on average 1.4584584584584586) internal successors, (2914), 2216 states have internal predecessors, (2914), 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) [2023-11-19 08:00:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3234 transitions. [2023-11-19 08:00:20,000 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3234 transitions. Word has length 48 [2023-11-19 08:00:20,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:20,001 INFO L495 AbstractCegarLoop]: Abstraction has 2418 states and 3234 transitions. [2023-11-19 08:00:20,001 INFO L496 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) [2023-11-19 08:00:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3234 transitions. [2023-11-19 08:00:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 08:00:20,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:20,003 INFO L195 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] [2023-11-19 08:00:20,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 08:00:20,003 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 08:00:20,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:20,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1029723893, now seen corresponding path program 2 times [2023-11-19 08:00:20,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:20,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887593838] [2023-11-19 08:00:20,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:20,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:20,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:20,240 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:20,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:20,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887593838] [2023-11-19 08:00:20,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887593838] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:00:20,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664113298] [2023-11-19 08:00:20,241 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:00:20,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:20,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:20,243 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:20,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:00:20,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-19 08:00:20,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:00:20,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:00:20,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:20,611 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 08:00:20,611 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:20,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664113298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:20,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:00:20,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 10 [2023-11-19 08:00:20,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496086466] [2023-11-19 08:00:20,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:20,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:20,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:20,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:20,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:00:20,613 INFO L87 Difference]: Start difference. First operand 2418 states and 3234 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) [2023-11-19 08:00:21,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:21,124 INFO L93 Difference]: Finished difference Result 3786 states and 5023 transitions. [2023-11-19 08:00:21,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:21,125 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 [2023-11-19 08:00:21,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:21,133 INFO L225 Difference]: With dead ends: 3786 [2023-11-19 08:00:21,133 INFO L226 Difference]: Without dead ends: 1384 [2023-11-19 08:00:21,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:00:21,139 INFO L413 NwaCegarLoop]: 1590 mSDtfsCounter, 1587 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1587 SdHoareTripleChecker+Valid, 2912 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:21,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1587 Valid, 2912 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:00:21,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2023-11-19 08:00:21,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 1384. [2023-11-19 08:00:21,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1384 states, 995 states have (on average 1.5386934673366834) internal successors, (1531), 1211 states have internal predecessors, (1531), 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) [2023-11-19 08:00:21,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1801 transitions. [2023-11-19 08:00:21,187 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1801 transitions. Word has length 48 [2023-11-19 08:00:21,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:21,188 INFO L495 AbstractCegarLoop]: Abstraction has 1384 states and 1801 transitions. [2023-11-19 08:00:21,188 INFO L496 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) [2023-11-19 08:00:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1801 transitions. [2023-11-19 08:00:21,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 08:00:21,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:21,190 INFO L195 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] [2023-11-19 08:00:21,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:21,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:21,412 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 08:00:21,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:21,413 INFO L85 PathProgramCache]: Analyzing trace with hash 2015479786, now seen corresponding path program 1 times [2023-11-19 08:00:21,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:21,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191847253] [2023-11-19 08:00:21,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:21,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:21,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:21,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 08:00:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:21,650 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:00:21,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:21,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191847253] [2023-11-19 08:00:21,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191847253] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:00:21,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756504111] [2023-11-19 08:00:21,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:21,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:21,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:21,655 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:21,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 08:00:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:22,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:00:22,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:22,062 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 08:00:22,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 08:00:22,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756504111] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:22,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:00:22,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 11 [2023-11-19 08:00:22,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072217717] [2023-11-19 08:00:22,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:22,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 08:00:22,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:22,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 08:00:22,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:00:22,121 INFO L87 Difference]: Start difference. First operand 1384 states and 1801 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) [2023-11-19 08:00:25,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:25,815 INFO L93 Difference]: Finished difference Result 4179 states and 5451 transitions. [2023-11-19 08:00:25,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-19 08:00:25,816 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 58 [2023-11-19 08:00:25,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:25,832 INFO L225 Difference]: With dead ends: 4179 [2023-11-19 08:00:25,832 INFO L226 Difference]: Without dead ends: 2811 [2023-11-19 08:00:25,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=150, Invalid=450, Unknown=0, NotChecked=0, Total=600 [2023-11-19 08:00:25,837 INFO L413 NwaCegarLoop]: 1187 mSDtfsCounter, 2364 mSDsluCounter, 4997 mSDsCounter, 0 mSdLazyCounter, 3075 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2482 SdHoareTripleChecker+Valid, 6184 SdHoareTripleChecker+Invalid, 3427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 3075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:25,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2482 Valid, 6184 Invalid, 3427 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [352 Valid, 3075 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-19 08:00:25,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2811 states. [2023-11-19 08:00:25,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2811 to 2589. [2023-11-19 08:00:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2589 states, 2026 states have (on average 1.516781836130306) internal successors, (3073), 2252 states have internal predecessors, (3073), 266 states have call successors, (266), 90 states have call predecessors, (266), 90 states have return successors, (266), 256 states have call predecessors, (266), 266 states have call successors, (266) [2023-11-19 08:00:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2589 states and 3605 transitions. [2023-11-19 08:00:25,933 INFO L78 Accepts]: Start accepts. Automaton has 2589 states and 3605 transitions. Word has length 58 [2023-11-19 08:00:25,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:25,933 INFO L495 AbstractCegarLoop]: Abstraction has 2589 states and 3605 transitions. [2023-11-19 08:00:25,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2023-11-19 08:00:25,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 3605 transitions. [2023-11-19 08:00:25,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 08:00:25,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:25,952 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:25,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:26,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-19 08:00:26,169 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 08:00:26,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:26,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1955101409, now seen corresponding path program 1 times [2023-11-19 08:00:26,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:26,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803897875] [2023-11-19 08:00:26,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:26,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:26,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 08:00:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:26,373 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 08:00:26,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:26,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803897875] [2023-11-19 08:00:26,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803897875] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:00:26,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725514082] [2023-11-19 08:00:26,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:26,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:26,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:26,376 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:26,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 08:00:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:26,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:00:26,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:26,850 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 8 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 08:00:26,851 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:26,996 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 4 proven. 66 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 08:00:26,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725514082] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:26,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:00:26,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 19 [2023-11-19 08:00:26,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238808282] [2023-11-19 08:00:26,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:26,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-19 08:00:26,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:27,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-19 08:00:27,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=215, Unknown=0, NotChecked=0, Total=342 [2023-11-19 08:00:27,001 INFO L87 Difference]: Start difference. First operand 2589 states and 3605 transitions. Second operand has 19 states, 19 states have (on average 7.105263157894737) internal successors, (135), 18 states have internal predecessors, (135), 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) [2023-11-19 08:00:31,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:31,181 INFO L93 Difference]: Finished difference Result 6973 states and 9524 transitions. [2023-11-19 08:00:31,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-11-19 08:00:31,182 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 7.105263157894737) internal successors, (135), 18 states have internal predecessors, (135), 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) Word has length 75 [2023-11-19 08:00:31,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:31,201 INFO L225 Difference]: With dead ends: 6973 [2023-11-19 08:00:31,201 INFO L226 Difference]: Without dead ends: 4400 [2023-11-19 08:00:31,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=732, Invalid=1620, Unknown=0, NotChecked=0, Total=2352 [2023-11-19 08:00:31,210 INFO L413 NwaCegarLoop]: 1136 mSDtfsCounter, 2394 mSDsluCounter, 6969 mSDsCounter, 0 mSdLazyCounter, 4099 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2512 SdHoareTripleChecker+Valid, 8105 SdHoareTripleChecker+Invalid, 4451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 4099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:31,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2512 Valid, 8105 Invalid, 4451 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [352 Valid, 4099 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-19 08:00:31,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4400 states. [2023-11-19 08:00:31,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4400 to 4170. [2023-11-19 08:00:31,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4170 states, 3429 states have (on average 1.458151064450277) internal successors, (5000), 3665 states have internal predecessors, (5000), 399 states have call successors, (399), 135 states have call predecessors, (399), 135 states have return successors, (399), 384 states have call predecessors, (399), 399 states have call successors, (399) [2023-11-19 08:00:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4170 states to 4170 states and 5798 transitions. [2023-11-19 08:00:31,346 INFO L78 Accepts]: Start accepts. Automaton has 4170 states and 5798 transitions. Word has length 75 [2023-11-19 08:00:31,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:31,346 INFO L495 AbstractCegarLoop]: Abstraction has 4170 states and 5798 transitions. [2023-11-19 08:00:31,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.105263157894737) internal successors, (135), 18 states have internal predecessors, (135), 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) [2023-11-19 08:00:31,347 INFO L276 IsEmpty]: Start isEmpty. Operand 4170 states and 5798 transitions. [2023-11-19 08:00:31,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 08:00:31,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:31,349 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:31,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:31,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a7b3477-9964-47ea-b9c0-383444a7f0b1/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-19 08:00:31,563 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting analog_disconnectErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 08:00:31,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:31,563 INFO L85 PathProgramCache]: Analyzing trace with hash 367880194, now seen corresponding path program 1 times [2023-11-19 08:00:31,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:31,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012014802] [2023-11-19 08:00:31,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:31,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:31,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:31,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 08:00:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:31,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-19 08:00:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:31,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:00:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2023-11-19 08:00:31,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:31,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012014802] [2023-11-19 08:00:31,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012014802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:31,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:31,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:00:31,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949059953] [2023-11-19 08:00:31,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:31,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:31,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:31,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:31,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:31,822 INFO L87 Difference]: Start difference. First operand 4170 states and 5798 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 08:00:33,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:33,200 INFO L93 Difference]: Finished difference Result 8589 states and 11904 transitions. [2023-11-19 08:00:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:00:33,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 119 [2023-11-19 08:00:33,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:33,227 INFO L225 Difference]: With dead ends: 8589 [2023-11-19 08:00:33,227 INFO L226 Difference]: Without dead ends: 4614 [2023-11-19 08:00:33,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 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 08:00:33,238 INFO L413 NwaCegarLoop]: 1204 mSDtfsCounter, 1823 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:33,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 2101 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-19 08:00:33,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4614 states. [2023-11-19 08:00:33,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4614 to 4581. [2023-11-19 08:00:33,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4581 states, 3789 states have (on average 1.4312483504882554) internal successors, (5423), 4025 states have internal predecessors, (5423), 423 states have call successors, (423), 162 states have call predecessors, (423), 162 states have return successors, (423), 408 states have call predecessors, (423), 423 states have call successors, (423) [2023-11-19 08:00:33,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4581 states to 4581 states and 6269 transitions. [2023-11-19 08:00:33,386 INFO L78 Accepts]: Start accepts. Automaton has 4581 states and 6269 transitions. Word has length 119 [2023-11-19 08:00:33,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:33,386 INFO L495 AbstractCegarLoop]: Abstraction has 4581 states and 6269 transitions. [2023-11-19 08:00:33,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 08:00:33,387 INFO L276 IsEmpty]: Start isEmpty. Operand 4581 states and 6269 transitions. [2023-11-19 08:00:33,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 08:00:33,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:33,389 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:33,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-19 08:00:33,389 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 08:00:33,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:33,390 INFO L85 PathProgramCache]: Analyzing trace with hash 2091149827, now seen corresponding path program 1 times [2023-11-19 08:00:33,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:33,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857493150] [2023-11-19 08:00:33,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:33,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:33,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:33,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 08:00:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:33,587 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2023-11-19 08:00:33,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:33,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857493150] [2023-11-19 08:00:33,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857493150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:33,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:33,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:00:33,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843632635] [2023-11-19 08:00:33,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:33,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:00:33,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:33,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:00:33,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:00:33,590 INFO L87 Difference]: Start difference. First operand 4581 states and 6269 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 08:00:35,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:35,126 INFO L93 Difference]: Finished difference Result 4713 states and 6428 transitions. [2023-11-19 08:00:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:00:35,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 117 [2023-11-19 08:00:35,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:35,142 INFO L225 Difference]: With dead ends: 4713 [2023-11-19 08:00:35,142 INFO L226 Difference]: Without dead ends: 4711 [2023-11-19 08:00:35,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:00:35,145 INFO L413 NwaCegarLoop]: 1138 mSDtfsCounter, 1916 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 1965 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:35,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2004 Valid, 1965 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-19 08:00:35,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4711 states. [2023-11-19 08:00:35,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4711 to 3118. [2023-11-19 08:00:35,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3118 states, 2523 states have (on average 1.4304399524375744) internal successors, (3609), 2747 states have internal predecessors, (3609), 282 states have call successors, (282), 108 states have call predecessors, (282), 108 states have return successors, (282), 272 states have call predecessors, (282), 282 states have call successors, (282) [2023-11-19 08:00:35,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 4173 transitions. [2023-11-19 08:00:35,284 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 4173 transitions. Word has length 117 [2023-11-19 08:00:35,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:35,284 INFO L495 AbstractCegarLoop]: Abstraction has 3118 states and 4173 transitions. [2023-11-19 08:00:35,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 08:00:35,285 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 4173 transitions. [2023-11-19 08:00:35,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-19 08:00:35,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:35,287 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:35,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-19 08:00:35,287 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 232 more)] === [2023-11-19 08:00:35,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:35,288 INFO L85 PathProgramCache]: Analyzing trace with hash -65556748, now seen corresponding path program 1 times [2023-11-19 08:00:35,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:35,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402394877] [2023-11-19 08:00:35,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:35,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:35,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 08:00:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:35,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 08:00:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:35,483 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2023-11-19 08:00:35,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:35,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402394877] [2023-11-19 08:00:35,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402394877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:35,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:35,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:00:35,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709529452] [2023-11-19 08:00:35,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:35,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:35,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:35,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:35,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:35,487 INFO L87 Difference]: Start difference. First operand 3118 states and 4173 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)