./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:39:49,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:39:49,839 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:39:49,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:39:49,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:39:49,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:39:49,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:39:49,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:39:49,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:39:49,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:39:49,892 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:39:49,893 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:39:49,893 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:39:49,893 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:39:49,893 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:39:49,894 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:39:49,894 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:39:49,894 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:39:49,894 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:39:49,895 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:39:49,895 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:39:49,895 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:39:49,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:39:49,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:39:49,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:39:49,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:39:49,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:39:49,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:39:49,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:39:49,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:39:49,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:39:49,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:39:49,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:39:49,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:39:49,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:39:49,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:39:49,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:39:49,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:39:49,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:39:49,900 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:39:49,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:39:49,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:39:49,900 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:39:49,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:39:49,900 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E 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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a [2024-11-14 04:39:50,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:39:50,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:39:50,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:39:50,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:39:50,311 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:39:50,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-14 04:39:52,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:39:53,414 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:39:53,414 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2024-11-14 04:39:53,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E/data/2e8bc8cf4/cd3678bccca74052a523b42b9615e740/FLAG503cb487c [2024-11-14 04:39:53,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E/data/2e8bc8cf4/cd3678bccca74052a523b42b9615e740 [2024-11-14 04:39:53,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:39:53,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:39:53,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:39:53,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:39:53,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:39:53,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:39:53" (1/1) ... [2024-11-14 04:39:53,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c6ea65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:53, skipping insertion in model container [2024-11-14 04:39:53,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:39:53" (1/1) ... [2024-11-14 04:39:53,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:39:55,901 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2024-11-14 04:39:55,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:39:56,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:39:56,302 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"); [5941] [2024-11-14 04:39:56,304 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5948] [2024-11-14 04:39:56,315 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" (831), "i" (12UL)); [6077-6078] [2024-11-14 04:39:56,316 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6083-6085] [2024-11-14 04:39:56,317 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" (836), "i" (12UL)); [6107-6108] [2024-11-14 04:39:56,318 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.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [6113-6115] [2024-11-14 04:39:56,319 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" (841), "i" (12UL)); [6136-6137] [2024-11-14 04:39:56,321 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.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6142-6144] [2024-11-14 04:39:56,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [6215] [2024-11-14 04:39:56,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [6222] [2024-11-14 04:39:56,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6239] [2024-11-14 04:39:56,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6247] [2024-11-14 04:39:56,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [6254] [2024-11-14 04:39:56,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [6262] [2024-11-14 04:39:56,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsw": "+S" (addr), "+c" (count): "d" (port)); [6269] [2024-11-14 04:39:56,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insw": "+D" (addr), "+c" (count): "d" (port)); [6276] [2024-11-14 04:39:56,677 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2024-11-14 04:39:56,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:39:57,004 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:39:57,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:57 WrapperNode [2024-11-14 04:39:57,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:39:57,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:39:57,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:39:57,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:39:57,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:57" (1/1) ... [2024-11-14 04:39:57,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:57" (1/1) ... [2024-11-14 04:39:57,470 INFO L138 Inliner]: procedures = 237, calls = 2318, calls flagged for inlining = 119, calls inlined = 115, statements flattened = 6099 [2024-11-14 04:39:57,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:39:57,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:39:57,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:39:57,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:39:57,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:57" (1/1) ... [2024-11-14 04:39:57,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:57" (1/1) ... [2024-11-14 04:39:57,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:57" (1/1) ... [2024-11-14 04:39:57,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:57" (1/1) ... [2024-11-14 04:39:57,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:57" (1/1) ... [2024-11-14 04:39:57,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:57" (1/1) ... [2024-11-14 04:39:57,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:57" (1/1) ... [2024-11-14 04:39:57,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:57" (1/1) ... [2024-11-14 04:39:57,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:39:57,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:39:57,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:39:57,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:39:57,909 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:57" (1/1) ... [2024-11-14 04:39:57,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:39:57,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:39:57,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:39:57,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e0b59e0-dd2c-402f-bdcc-bc2fbe55ef05/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:39:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure smc_ioctl [2024-11-14 04:39:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_ioctl [2024-11-14 04:39:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-14 04:39:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-14 04:39:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 04:39:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 04:39:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 04:39:57,993 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2024-11-14 04:39:57,993 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2024-11-14 04:39:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 04:39:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 04:39:57,994 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2024-11-14 04:39:57,994 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2024-11-14 04:39:57,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2024-11-14 04:39:57,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2024-11-14 04:39:57,997 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-14 04:39:57,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-14 04:39:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2024-11-14 04:39:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2024-11-14 04:39:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-14 04:39:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-14 04:39:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 04:39:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 04:39:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2024-11-14 04:39:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2024-11-14 04:39:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-14 04:39:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-14 04:39:57,998 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2024-11-14 04:39:57,998 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2024-11-14 04:39:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-14 04:39:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-14 04:39:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 04:39:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 04:39:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2024-11-14 04:39:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2024-11-14 04:39:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:39:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:39:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-14 04:39:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-14 04:39:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-14 04:39:57,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-14 04:39:57,999 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2024-11-14 04:39:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2024-11-14 04:39:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2024-11-14 04:39:58,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2024-11-14 04:39:58,000 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-14 04:39:58,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-14 04:39:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-14 04:39:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-14 04:39:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:39:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-14 04:39:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-14 04:39:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-14 04:39:58,004 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-14 04:39:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-14 04:39:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-14 04:39:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:39:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-14 04:39:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-14 04:39:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-14 04:39:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-14 04:39:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2024-11-14 04:39:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2024-11-14 04:39:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2024-11-14 04:39:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2024-11-14 04:39:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-14 04:39:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-14 04:39:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-14 04:39:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-14 04:39:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-11-14 04:39:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-11-14 04:39:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-14 04:39:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-14 04:39:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:39:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:39:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2024-11-14 04:39:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2024-11-14 04:39:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 04:39:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 04:39:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2024-11-14 04:39:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2024-11-14 04:39:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-14 04:39:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-14 04:39:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-14 04:39:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-14 04:39:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-14 04:39:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-14 04:39:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-14 04:39:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-14 04:39:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-14 04:39:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-14 04:39:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-14 04:39:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-14 04:39:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-14 04:39:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-14 04:39:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2024-11-14 04:39:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2024-11-14 04:39:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 04:39:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:39:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-14 04:39:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-14 04:39:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-14 04:39:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-14 04:39:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-14 04:39:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-14 04:39:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-14 04:39:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-14 04:39:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2024-11-14 04:39:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2024-11-14 04:39:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2024-11-14 04:39:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2024-11-14 04:39:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:39:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-14 04:39:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-14 04:39:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2024-11-14 04:39:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2024-11-14 04:39:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2024-11-14 04:39:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2024-11-14 04:39:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2024-11-14 04:39:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2024-11-14 04:39:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 04:39:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 04:39:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-14 04:39:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-14 04:39:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:39:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-14 04:39:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-14 04:39:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2024-11-14 04:39:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2024-11-14 04:39:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:39:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-14 04:39:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-14 04:39:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:39:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2024-11-14 04:39:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2024-11-14 04:39:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure s9k_config [2024-11-14 04:39:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure s9k_config [2024-11-14 04:39:58,015 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2024-11-14 04:39:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2024-11-14 04:39:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-14 04:39:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-14 04:39:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2024-11-14 04:39:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2024-11-14 04:39:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:39:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-14 04:39:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-14 04:39:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2024-11-14 04:39:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2024-11-14 04:39:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-14 04:39:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-14 04:39:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-14 04:39:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-14 04:39:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-11-14 04:39:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-11-14 04:39:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:39:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:39:59,188 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:39:59,192 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:40:01,659 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 04:40:17,593 INFO L? ?]: Removed 1700 outVars from TransFormulas that were not future-live. [2024-11-14 04:40:17,594 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:40:20,694 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:40:20,698 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:40:20,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:40:20 BoogieIcfgContainer [2024-11-14 04:40:20,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:40:20,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:40:20,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:40:20,707 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:40:20,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:39:53" (1/3) ... [2024-11-14 04:40:20,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ad3920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:40:20, skipping insertion in model container [2024-11-14 04:40:20,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:39:57" (2/3) ... [2024-11-14 04:40:20,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ad3920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:40:20, skipping insertion in model container [2024-11-14 04:40:20,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:40:20" (3/3) ... [2024-11-14 04:40:20,711 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2024-11-14 04:40:20,729 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:40:20,733 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i that has 72 procedures, 1321 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:40:20,853 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:40:20,865 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f3203c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:40:20,866 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:40:20,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 1320 states, 784 states have (on average 1.3239795918367347) internal successors, (1038), 814 states have internal predecessors, (1038), 464 states have call successors, (464), 71 states have call predecessors, (464), 70 states have return successors, (458), 451 states have call predecessors, (458), 458 states have call successors, (458) [2024-11-14 04:40:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-14 04:40:20,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:40:20,943 INFO L215 NwaCegarLoop]: trace histogram [11, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:40:20,944 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:40:20,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:40:20,950 INFO L85 PathProgramCache]: Analyzing trace with hash 734090462, now seen corresponding path program 1 times [2024-11-14 04:40:20,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:40:20,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466347339] [2024-11-14 04:40:20,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:40:20,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:40:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:41:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-14 04:41:00,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:41:00,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466347339] [2024-11-14 04:41:00,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466347339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:41:00,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:41:00,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:41:00,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620567348] [2024-11-14 04:41:00,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:41:00,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:41:00,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:41:00,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:41:00,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:41:00,969 INFO L87 Difference]: Start difference. First operand has 1320 states, 784 states have (on average 1.3239795918367347) internal successors, (1038), 814 states have internal predecessors, (1038), 464 states have call successors, (464), 71 states have call predecessors, (464), 70 states have return successors, (458), 451 states have call predecessors, (458), 458 states have call successors, (458) Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-14 04:41:03,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:41:05,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:41:07,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:41:13,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:41:25,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:41:25,591 INFO L93 Difference]: Finished difference Result 5216 states and 7771 transitions. [2024-11-14 04:41:25,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:41:25,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 243 [2024-11-14 04:41:25,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:41:25,649 INFO L225 Difference]: With dead ends: 5216 [2024-11-14 04:41:25,649 INFO L226 Difference]: Without dead ends: 3879 [2024-11-14 04:41:25,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:41:25,668 INFO L432 NwaCegarLoop]: 1737 mSDtfsCounter, 3865 mSDsluCounter, 3657 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3865 SdHoareTripleChecker+Valid, 5394 SdHoareTripleChecker+Invalid, 1772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:41:25,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3865 Valid, 5394 Invalid, 1772 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1764 Invalid, 2 Unknown, 0 Unchecked, 24.1s Time] [2024-11-14 04:41:25,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3879 states. [2024-11-14 04:41:26,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3879 to 3865. [2024-11-14 04:41:26,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3865 states, 2311 states have (on average 1.3119861531804413) internal successors, (3032), 2371 states have internal predecessors, (3032), 1350 states have call successors, (1350), 204 states have call predecessors, (1350), 203 states have return successors, (1349), 1330 states have call predecessors, (1349), 1349 states have call successors, (1349) [2024-11-14 04:41:26,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3865 states and 5731 transitions. [2024-11-14 04:41:26,238 INFO L78 Accepts]: Start accepts. Automaton has 3865 states and 5731 transitions. Word has length 243 [2024-11-14 04:41:26,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:41:26,241 INFO L471 AbstractCegarLoop]: Abstraction has 3865 states and 5731 transitions. [2024-11-14 04:41:26,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-14 04:41:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 5731 transitions. [2024-11-14 04:41:26,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-14 04:41:26,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:41:26,271 INFO L215 NwaCegarLoop]: trace histogram [11, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:41:26,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:41:26,271 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:41:26,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:41:26,272 INFO L85 PathProgramCache]: Analyzing trace with hash 324643526, now seen corresponding path program 1 times [2024-11-14 04:41:26,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:41:26,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763811686] [2024-11-14 04:41:26,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:41:26,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:42:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:42:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-14 04:42:07,868 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:42:07,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763811686] [2024-11-14 04:42:07,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763811686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:42:07,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:42:07,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:42:07,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748200777] [2024-11-14 04:42:07,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:42:07,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:42:07,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:42:07,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:42:07,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:42:07,872 INFO L87 Difference]: Start difference. First operand 3865 states and 5731 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-14 04:42:10,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:42:12,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:42:20,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:42:22,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:42:24,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:42:35,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:42:35,740 INFO L93 Difference]: Finished difference Result 15395 states and 22834 transitions. [2024-11-14 04:42:35,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:42:35,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 241 [2024-11-14 04:42:35,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:42:35,844 INFO L225 Difference]: With dead ends: 15395 [2024-11-14 04:42:35,844 INFO L226 Difference]: Without dead ends: 11549 [2024-11-14 04:42:35,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:42:35,870 INFO L432 NwaCegarLoop]: 1719 mSDtfsCounter, 3823 mSDsluCounter, 3585 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3823 SdHoareTripleChecker+Valid, 5304 SdHoareTripleChecker+Invalid, 1757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:42:35,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3823 Valid, 5304 Invalid, 1757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1747 Invalid, 4 Unknown, 0 Unchecked, 27.3s Time] [2024-11-14 04:42:35,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11549 states. [2024-11-14 04:42:36,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11549 to 11537. [2024-11-14 04:42:36,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11537 states, 6909 states have (on average 1.31191199884209) internal successors, (9064), 7079 states have internal predecessors, (9064), 4022 states have call successors, (4022), 606 states have call predecessors, (4022), 605 states have return successors, (4021), 3970 states have call predecessors, (4021), 4021 states have call successors, (4021) [2024-11-14 04:42:36,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11537 states to 11537 states and 17107 transitions. [2024-11-14 04:42:36,795 INFO L78 Accepts]: Start accepts. Automaton has 11537 states and 17107 transitions. Word has length 241 [2024-11-14 04:42:36,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:42:36,796 INFO L471 AbstractCegarLoop]: Abstraction has 11537 states and 17107 transitions. [2024-11-14 04:42:36,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-14 04:42:36,796 INFO L276 IsEmpty]: Start isEmpty. Operand 11537 states and 17107 transitions. [2024-11-14 04:42:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-14 04:42:36,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:42:36,817 INFO L215 NwaCegarLoop]: trace histogram [11, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:42:36,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:42:36,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:42:36,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:42:36,823 INFO L85 PathProgramCache]: Analyzing trace with hash -2042240835, now seen corresponding path program 1 times [2024-11-14 04:42:36,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:42:36,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50771210] [2024-11-14 04:42:36,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:42:36,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:43:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:43:13,280 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-14 04:43:13,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:43:13,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50771210] [2024-11-14 04:43:13,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50771210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:43:13,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:43:13,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:43:13,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896359419] [2024-11-14 04:43:13,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:43:13,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:43:13,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:43:13,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:43:13,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:43:13,285 INFO L87 Difference]: Start difference. First operand 11537 states and 17107 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-14 04:43:15,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:43:17,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:43:19,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:43:26,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:43:37,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:43:37,559 INFO L93 Difference]: Finished difference Result 46071 states and 68314 transitions. [2024-11-14 04:43:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:43:37,560 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 242 [2024-11-14 04:43:37,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:43:37,814 INFO L225 Difference]: With dead ends: 46071 [2024-11-14 04:43:37,815 INFO L226 Difference]: Without dead ends: 34553 [2024-11-14 04:43:37,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:43:37,903 INFO L432 NwaCegarLoop]: 1720 mSDtfsCounter, 3822 mSDsluCounter, 3329 mSDsCounter, 0 mSdLazyCounter, 1717 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3822 SdHoareTripleChecker+Valid, 5049 SdHoareTripleChecker+Invalid, 1725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1717 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:43:37,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3822 Valid, 5049 Invalid, 1725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1717 Invalid, 2 Unknown, 0 Unchecked, 23.2s Time] [2024-11-14 04:43:37,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34553 states. [2024-11-14 04:43:40,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34553 to 34541. [2024-11-14 04:43:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34541 states, 20703 states have (on average 1.3112109356131962) internal successors, (27146), 21191 states have internal predecessors, (27146), 12026 states have call successors, (12026), 1812 states have call predecessors, (12026), 1811 states have return successors, (12025), 11890 states have call predecessors, (12025), 12025 states have call successors, (12025) [2024-11-14 04:43:40,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34541 states to 34541 states and 51197 transitions. [2024-11-14 04:43:40,547 INFO L78 Accepts]: Start accepts. Automaton has 34541 states and 51197 transitions. Word has length 242 [2024-11-14 04:43:40,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:43:40,548 INFO L471 AbstractCegarLoop]: Abstraction has 34541 states and 51197 transitions. [2024-11-14 04:43:40,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-14 04:43:40,549 INFO L276 IsEmpty]: Start isEmpty. Operand 34541 states and 51197 transitions. [2024-11-14 04:43:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-14 04:43:40,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:43:40,572 INFO L215 NwaCegarLoop]: trace histogram [11, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:43:40,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:43:40,572 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:43:40,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:43:40,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1991718555, now seen corresponding path program 1 times [2024-11-14 04:43:40,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:43:40,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625944860] [2024-11-14 04:43:40,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:43:40,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:44:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:44:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-11-14 04:44:18,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:44:18,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625944860] [2024-11-14 04:44:18,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625944860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:44:18,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:44:18,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:44:18,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956267081] [2024-11-14 04:44:18,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:44:18,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:44:18,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:44:18,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:44:18,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:44:18,703 INFO L87 Difference]: Start difference. First operand 34541 states and 51197 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-14 04:44:20,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:44:23,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:44:42,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:44:42,068 INFO L93 Difference]: Finished difference Result 133267 states and 197242 transitions. [2024-11-14 04:44:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:44:42,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 240 [2024-11-14 04:44:42,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:44:42,676 INFO L225 Difference]: With dead ends: 133267 [2024-11-14 04:44:42,676 INFO L226 Difference]: Without dead ends: 98745 [2024-11-14 04:44:42,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:44:42,836 INFO L432 NwaCegarLoop]: 2129 mSDtfsCounter, 4603 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 1647 mSolverCounterSat, 651 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4603 SdHoareTripleChecker+Valid, 4605 SdHoareTripleChecker+Invalid, 2300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 651 IncrementalHoareTripleChecker+Valid, 1647 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:44:42,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4603 Valid, 4605 Invalid, 2300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [651 Valid, 1647 Invalid, 2 Unknown, 0 Unchecked, 20.5s Time] [2024-11-14 04:44:42,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98745 states. [2024-11-14 04:44:48,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98745 to 98733. [2024-11-14 04:44:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98733 states, 59365 states have (on average 1.3126926640276257) internal successors, (77928), 60643 states have internal predecessors, (77928), 34034 states have call successors, (34034), 5334 states have call predecessors, (34034), 5333 states have return successors, (34033), 33714 states have call predecessors, (34033), 34033 states have call successors, (34033) [2024-11-14 04:44:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98733 states to 98733 states and 145995 transitions. [2024-11-14 04:44:49,115 INFO L78 Accepts]: Start accepts. Automaton has 98733 states and 145995 transitions. Word has length 240 [2024-11-14 04:44:49,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:44:49,117 INFO L471 AbstractCegarLoop]: Abstraction has 98733 states and 145995 transitions. [2024-11-14 04:44:49,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-14 04:44:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 98733 states and 145995 transitions. [2024-11-14 04:44:49,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-11-14 04:44:49,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:44:49,331 INFO L215 NwaCegarLoop]: trace histogram [28, 15, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:44:49,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:44:49,331 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:44:49,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:44:49,332 INFO L85 PathProgramCache]: Analyzing trace with hash 725104954, now seen corresponding path program 1 times [2024-11-14 04:44:49,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:44:49,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779612858] [2024-11-14 04:44:49,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:44:49,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms