./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--amd--amd8111e.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX --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 f5287aa284221e5fd9453b6be2206814d99b5890aba823bfb498c43964518ada --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:51:45,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:51:45,858 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:51:45,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:51:45,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:51:45,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:51:45,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:51:45,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:51:45,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:51:45,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:51:45,917 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:51:45,918 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:51:45,918 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:51:45,920 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:51:45,921 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:51:45,921 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:51:45,922 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:51:45,922 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:51:45,923 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:51:45,923 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:51:45,924 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:51:45,925 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:51:45,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:51:45,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:51:45,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:51:45,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:51:45,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:51:45,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:51:45,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:51:45,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:51:45,931 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:51:45,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:51:45,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:51:45,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:45,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:51:45,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:51:45,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:51:45,933 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:51:45,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:51:45,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:51:45,934 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:51:45,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:51:45,935 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5287aa284221e5fd9453b6be2206814d99b5890aba823bfb498c43964518ada [2023-11-12 00:51:46,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:51:46,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:51:46,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:51:46,257 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:51:46,258 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:51:46,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2023-11-12 00:51:49,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:51:50,094 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:51:50,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2023-11-12 00:51:50,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/data/6db66108f/fc53d785aef545ff851068bb36ab85f9/FLAG9e2f9903f [2023-11-12 00:51:50,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/data/6db66108f/fc53d785aef545ff851068bb36ab85f9 [2023-11-12 00:51:50,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:51:50,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:51:50,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:50,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:51:50,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:51:50,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:50" (1/1) ... [2023-11-12 00:51:50,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14bf5088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:50, skipping insertion in model container [2023-11-12 00:51:50,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:50" (1/1) ... [2023-11-12 00:51:50,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:51:52,495 WARN L240 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_4a1d3d10-68c4-4680-aafd-2703e0bea29c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i[274049,274062] [2023-11-12 00:51:52,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:52,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:51:52,738 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"); [5636] [2023-11-12 00:51:52,740 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)); [5643] [2023-11-12 00:51:52,740 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5651-5652] [2023-11-12 00:51:52,750 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)); [5779-5780] [2023-11-12 00:51:52,750 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"); [5785-5787] [2023-11-12 00:51:52,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (836), "i" (12UL)); [5809-5810] [2023-11-12 00:51:52,752 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"); [5815-5817] [2023-11-12 00:51:52,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (841), "i" (12UL)); [5838-5839] [2023-11-12 00:51:52,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5844-5846] [2023-11-12 00:51:52,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5931] [2023-11-12 00:51:52,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5939] [2023-11-12 00:51:52,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5947] [2023-11-12 00:51:52,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5954] [2023-11-12 00:51:52,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5961] [2023-11-12 00:51:52,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5968] [2023-11-12 00:51:52,766 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6137-6138] [2023-11-12 00:51:52,769 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6166-6167] [2023-11-12 00:51:52,776 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 *)"include/linux/netdevice.h"), "i" (507), "i" (12UL)); [6344-6345] [2023-11-12 00:51:52,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6350] [2023-11-12 00:51:52,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6769] [2023-11-12 00:51:52,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7146] [2023-11-12 00:51:52,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7659] [2023-11-12 00:51:53,036 WARN L240 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_4a1d3d10-68c4-4680-aafd-2703e0bea29c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i[274049,274062] [2023-11-12 00:51:53,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:53,283 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:51:53,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:53 WrapperNode [2023-11-12 00:51:53,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:53,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:53,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:51:53,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:51:53,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:53" (1/1) ... [2023-11-12 00:51:53,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:53" (1/1) ... [2023-11-12 00:51:53,629 INFO L138 Inliner]: procedures = 278, calls = 1483, calls flagged for inlining = 146, calls inlined = 136, statements flattened = 4140 [2023-11-12 00:51:53,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:53,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:51:53,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:51:53,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:51:53,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:53" (1/1) ... [2023-11-12 00:51:53,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:53" (1/1) ... [2023-11-12 00:51:53,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:53" (1/1) ... [2023-11-12 00:51:53,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:53" (1/1) ... [2023-11-12 00:51:53,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:53" (1/1) ... [2023-11-12 00:51:53,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:53" (1/1) ... [2023-11-12 00:51:53,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:53" (1/1) ... [2023-11-12 00:51:53,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:53" (1/1) ... [2023-11-12 00:51:53,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:51:53,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:51:53,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:51:53,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:51:53,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:53" (1/1) ... [2023-11-12 00:51:53,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:53,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:51:53,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:51:53,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:51:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2023-11-12 00:51:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2023-11-12 00:51:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:51:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:51:54,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:51:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:51:54,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:51:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:51:54,004 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2023-11-12 00:51:54,005 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2023-11-12 00:51:54,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:51:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:51:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:51:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:51:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:51:54,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:51:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:51:54,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:51:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 00:51:54,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 00:51:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2023-11-12 00:51:54,008 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2023-11-12 00:51:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:51:54,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:51:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2023-11-12 00:51:54,008 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2023-11-12 00:51:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:51:54,009 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:51:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2023-11-12 00:51:54,009 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2023-11-12 00:51:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 00:51:54,009 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 00:51:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:51:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:51:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:51:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:51:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:51:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:51:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:51:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:51:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2023-11-12 00:51:54,011 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2023-11-12 00:51:54,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:51:54,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:51:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:51:54,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:51:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 00:51:54,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 00:51:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:51:54,013 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:51:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 00:51:54,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 00:51:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:51:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 00:51:54,014 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 00:51:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:51:54,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:51:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:51:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:51:54,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:51:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:51:54,015 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:51:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:51:54,015 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:51:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2023-11-12 00:51:54,016 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2023-11-12 00:51:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 00:51:54,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 00:51:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:51:54,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:51:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-12 00:51:54,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-12 00:51:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:51:54,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:51:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2023-11-12 00:51:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2023-11-12 00:51:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:51:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:51:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2023-11-12 00:51:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2023-11-12 00:51:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-12 00:51:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-12 00:51:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2023-11-12 00:51:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2023-11-12 00:51:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:51:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:51:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:51:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:51:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 00:51:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 00:51:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2023-11-12 00:51:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2023-11-12 00:51:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:51:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:51:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:51:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2023-11-12 00:51:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2023-11-12 00:51:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2023-11-12 00:51:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2023-11-12 00:51:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:51:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 00:51:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 00:51:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-11-12 00:51:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-11-12 00:51:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:51:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:51:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:51:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:51:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:51:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:51:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:51:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:51:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:51:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:51:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:51:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:51:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:51:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_ioctl [2023-11-12 00:51:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_ioctl [2023-11-12 00:51:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:51:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:51:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:51:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:51:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:51:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-12 00:51:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-12 00:51:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2023-11-12 00:51:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2023-11-12 00:51:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 00:51:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 00:51:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:51:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:51:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_mac_address [2023-11-12 00:51:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_mac_address [2023-11-12 00:51:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2023-11-12 00:51:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2023-11-12 00:51:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 00:51:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 00:51:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:51:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-11-12 00:51:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-11-12 00:51:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2023-11-12 00:51:54,039 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2023-11-12 00:51:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 00:51:54,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 00:51:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:51:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:51:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:51:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:51:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-12 00:51:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-12 00:51:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-12 00:51:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-12 00:51:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2023-11-12 00:51:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2023-11-12 00:51:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_change_mtu [2023-11-12 00:51:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_change_mtu [2023-11-12 00:51:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 00:51:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 00:51:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2023-11-12 00:51:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2023-11-12 00:51:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:51:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:51:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2023-11-12 00:51:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2023-11-12 00:51:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:51:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:51:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-12 00:51:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-12 00:51:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2023-11-12 00:51:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2023-11-12 00:51:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:51:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:51:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:51:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:51:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:51:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-12 00:51:54,044 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-12 00:51:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-12 00:51:54,044 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-12 00:51:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:51:54,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:51:54,793 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:51:54,797 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:51:55,356 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:51:58,394 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:52:00,546 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:52:00,546 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:52:00,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:00 BoogieIcfgContainer [2023-11-12 00:52:00,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:52:00,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:52:00,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:52:00,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:52:00,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:51:50" (1/3) ... [2023-11-12 00:52:00,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c007b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:00, skipping insertion in model container [2023-11-12 00:52:00,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:53" (2/3) ... [2023-11-12 00:52:00,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c007b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:00, skipping insertion in model container [2023-11-12 00:52:00,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:00" (3/3) ... [2023-11-12 00:52:00,565 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2023-11-12 00:52:00,586 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:52:00,586 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:52:00,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:52:00,765 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@679215d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:52:00,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:52:00,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 1247 states, 727 states have (on average 1.3204951856946354) internal successors, (960), 753 states have internal predecessors, (960), 436 states have call successors, (436), 83 states have call predecessors, (436), 82 states have return successors, (429), 425 states have call predecessors, (429), 429 states have call successors, (429) [2023-11-12 00:52:00,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 00:52:00,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:00,822 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:00,822 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:00,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:00,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1039003371, now seen corresponding path program 1 times [2023-11-12 00:52:00,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:00,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381676567] [2023-11-12 00:52:00,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:00,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-11-12 00:52:01,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:52:01,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381676567] [2023-11-12 00:52:01,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381676567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:01,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:01,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:52:01,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659623121] [2023-11-12 00:52:01,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:01,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:52:01,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:52:01,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:52:01,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:01,838 INFO L87 Difference]: Start difference. First operand has 1247 states, 727 states have (on average 1.3204951856946354) internal successors, (960), 753 states have internal predecessors, (960), 436 states have call successors, (436), 83 states have call predecessors, (436), 82 states have return successors, (429), 425 states have call predecessors, (429), 429 states have call successors, (429) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 00:52:04,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:04,542 INFO L93 Difference]: Finished difference Result 3239 states and 4740 transitions. [2023-11-12 00:52:04,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:52:04,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 170 [2023-11-12 00:52:04,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:04,586 INFO L225 Difference]: With dead ends: 3239 [2023-11-12 00:52:04,586 INFO L226 Difference]: Without dead ends: 1989 [2023-11-12 00:52:04,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:04,615 INFO L413 NwaCegarLoop]: 1657 mSDtfsCounter, 1134 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 3161 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:04,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 3161 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-12 00:52:04,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2023-11-12 00:52:04,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1984. [2023-11-12 00:52:04,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1984 states, 1177 states have (on average 1.306711979609176) internal successors, (1538), 1204 states have internal predecessors, (1538), 664 states have call successors, (664), 143 states have call predecessors, (664), 142 states have return successors, (667), 654 states have call predecessors, (667), 663 states have call successors, (667) [2023-11-12 00:52:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1984 states and 2869 transitions. [2023-11-12 00:52:04,919 INFO L78 Accepts]: Start accepts. Automaton has 1984 states and 2869 transitions. Word has length 170 [2023-11-12 00:52:04,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:04,921 INFO L495 AbstractCegarLoop]: Abstraction has 1984 states and 2869 transitions. [2023-11-12 00:52:04,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 00:52:04,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2869 transitions. [2023-11-12 00:52:04,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-12 00:52:04,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:04,941 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 3, 3, 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] [2023-11-12 00:52:04,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:52:04,942 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:04,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:04,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1358322913, now seen corresponding path program 1 times [2023-11-12 00:52:04,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:04,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305040233] [2023-11-12 00:52:04,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:04,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2023-11-12 00:52:05,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:52:05,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305040233] [2023-11-12 00:52:05,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305040233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:05,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:05,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:52:05,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342335002] [2023-11-12 00:52:05,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:05,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:52:05,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:52:05,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:52:05,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:05,469 INFO L87 Difference]: Start difference. First operand 1984 states and 2869 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-12 00:52:07,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:07,627 INFO L93 Difference]: Finished difference Result 5225 states and 7573 transitions. [2023-11-12 00:52:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:52:07,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 190 [2023-11-12 00:52:07,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:07,658 INFO L225 Difference]: With dead ends: 5225 [2023-11-12 00:52:07,658 INFO L226 Difference]: Without dead ends: 3265 [2023-11-12 00:52:07,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:07,672 INFO L413 NwaCegarLoop]: 2386 mSDtfsCounter, 1437 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1437 SdHoareTripleChecker+Valid, 3906 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:07,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1437 Valid, 3906 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-12 00:52:07,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2023-11-12 00:52:07,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 3262. [2023-11-12 00:52:07,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3262 states, 1942 states have (on average 1.3125643666323379) internal successors, (2549), 1986 states have internal predecessors, (2549), 1091 states have call successors, (1091), 229 states have call predecessors, (1091), 228 states have return successors, (1094), 1077 states have call predecessors, (1094), 1090 states have call successors, (1094) [2023-11-12 00:52:07,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 4734 transitions. [2023-11-12 00:52:07,999 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 4734 transitions. Word has length 190 [2023-11-12 00:52:07,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:07,999 INFO L495 AbstractCegarLoop]: Abstraction has 3262 states and 4734 transitions. [2023-11-12 00:52:08,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-12 00:52:08,001 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 4734 transitions. [2023-11-12 00:52:08,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-12 00:52:08,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:08,010 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:08,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:52:08,010 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:08,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:08,021 INFO L85 PathProgramCache]: Analyzing trace with hash 822299791, now seen corresponding path program 1 times [2023-11-12 00:52:08,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:08,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927152003] [2023-11-12 00:52:08,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:08,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:08,437 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2023-11-12 00:52:08,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:52:08,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927152003] [2023-11-12 00:52:08,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927152003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:08,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:08,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:52:08,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534796950] [2023-11-12 00:52:08,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:08,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:52:08,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:52:08,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:52:08,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:08,441 INFO L87 Difference]: Start difference. First operand 3262 states and 4734 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-12 00:52:09,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:09,431 INFO L93 Difference]: Finished difference Result 6490 states and 9425 transitions. [2023-11-12 00:52:09,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:52:09,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 212 [2023-11-12 00:52:09,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:09,459 INFO L225 Difference]: With dead ends: 6490 [2023-11-12 00:52:09,460 INFO L226 Difference]: Without dead ends: 3262 [2023-11-12 00:52:09,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:09,478 INFO L413 NwaCegarLoop]: 1588 mSDtfsCounter, 1788 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 1588 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:09,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1788 Valid, 1588 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-12 00:52:09,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2023-11-12 00:52:09,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3262. [2023-11-12 00:52:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3262 states, 1942 states have (on average 1.311534500514933) internal successors, (2547), 1986 states have internal predecessors, (2547), 1091 states have call successors, (1091), 229 states have call predecessors, (1091), 228 states have return successors, (1094), 1077 states have call predecessors, (1094), 1090 states have call successors, (1094) [2023-11-12 00:52:09,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 4732 transitions. [2023-11-12 00:52:09,849 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 4732 transitions. Word has length 212 [2023-11-12 00:52:09,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:09,850 INFO L495 AbstractCegarLoop]: Abstraction has 3262 states and 4732 transitions. [2023-11-12 00:52:09,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-12 00:52:09,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 4732 transitions. [2023-11-12 00:52:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-12 00:52:09,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:09,863 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:09,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:52:09,864 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:09,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:09,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1512154230, now seen corresponding path program 1 times [2023-11-12 00:52:09,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:09,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841763267] [2023-11-12 00:52:09,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:09,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:10,540 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-11-12 00:52:10,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:52:10,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841763267] [2023-11-12 00:52:10,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841763267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:10,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:10,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:52:10,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975979041] [2023-11-12 00:52:10,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:10,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:52:10,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:52:10,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:52:10,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:10,544 INFO L87 Difference]: Start difference. First operand 3262 states and 4732 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-12 00:52:13,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:13,367 INFO L93 Difference]: Finished difference Result 7845 states and 11410 transitions. [2023-11-12 00:52:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:52:13,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 248 [2023-11-12 00:52:13,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:13,407 INFO L225 Difference]: With dead ends: 7845 [2023-11-12 00:52:13,407 INFO L226 Difference]: Without dead ends: 4617 [2023-11-12 00:52:13,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:13,427 INFO L413 NwaCegarLoop]: 2793 mSDtfsCounter, 1541 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 4245 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:13,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 4245 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-12 00:52:13,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4617 states. [2023-11-12 00:52:13,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4617 to 4609. [2023-11-12 00:52:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4609 states, 2767 states have (on average 1.3136971449222985) internal successors, (3635), 2828 states have internal predecessors, (3635), 1522 states have call successors, (1522), 320 states have call predecessors, (1522), 319 states have return successors, (1525), 1504 states have call predecessors, (1525), 1521 states have call successors, (1525) [2023-11-12 00:52:13,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4609 states to 4609 states and 6682 transitions. [2023-11-12 00:52:13,833 INFO L78 Accepts]: Start accepts. Automaton has 4609 states and 6682 transitions. Word has length 248 [2023-11-12 00:52:13,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:13,835 INFO L495 AbstractCegarLoop]: Abstraction has 4609 states and 6682 transitions. [2023-11-12 00:52:13,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-12 00:52:13,837 INFO L276 IsEmpty]: Start isEmpty. Operand 4609 states and 6682 transitions. [2023-11-12 00:52:13,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-11-12 00:52:13,849 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:13,849 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:13,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:52:13,850 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:13,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:13,851 INFO L85 PathProgramCache]: Analyzing trace with hash 355976755, now seen corresponding path program 1 times [2023-11-12 00:52:13,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:13,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758407485] [2023-11-12 00:52:13,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:13,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:14,418 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2023-11-12 00:52:14,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:52:14,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758407485] [2023-11-12 00:52:14,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758407485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:14,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:14,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:52:14,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814874768] [2023-11-12 00:52:14,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:14,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:52:14,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:52:14,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:52:14,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:14,421 INFO L87 Difference]: Start difference. First operand 4609 states and 6682 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-12 00:52:17,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:17,091 INFO L93 Difference]: Finished difference Result 9240 states and 13448 transitions. [2023-11-12 00:52:17,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:52:17,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 263 [2023-11-12 00:52:17,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:17,135 INFO L225 Difference]: With dead ends: 9240 [2023-11-12 00:52:17,135 INFO L226 Difference]: Without dead ends: 4665 [2023-11-12 00:52:17,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:52:17,161 INFO L413 NwaCegarLoop]: 1585 mSDtfsCounter, 10 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:17,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3163 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-12 00:52:17,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4665 states. [2023-11-12 00:52:17,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4665 to 4617. [2023-11-12 00:52:17,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4617 states, 2775 states have (on average 1.3127927927927927) internal successors, (3643), 2836 states have internal predecessors, (3643), 1522 states have call successors, (1522), 320 states have call predecessors, (1522), 319 states have return successors, (1525), 1504 states have call predecessors, (1525), 1521 states have call successors, (1525) [2023-11-12 00:52:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 4617 states and 6690 transitions. [2023-11-12 00:52:17,538 INFO L78 Accepts]: Start accepts. Automaton has 4617 states and 6690 transitions. Word has length 263 [2023-11-12 00:52:17,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:17,543 INFO L495 AbstractCegarLoop]: Abstraction has 4617 states and 6690 transitions. [2023-11-12 00:52:17,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-12 00:52:17,543 INFO L276 IsEmpty]: Start isEmpty. Operand 4617 states and 6690 transitions. [2023-11-12 00:52:17,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-11-12 00:52:17,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:17,558 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:17,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 00:52:17,559 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:17,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:17,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1742381827, now seen corresponding path program 1 times [2023-11-12 00:52:17,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:17,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32537114] [2023-11-12 00:52:17,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:17,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:18,129 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-11-12 00:52:18,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:52:18,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32537114] [2023-11-12 00:52:18,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32537114] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:52:18,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614801488] [2023-11-12 00:52:18,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:18,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:52:18,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:52:18,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:52:18,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a1d3d10-68c4-4680-aafd-2703e0bea29c/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:52:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:19,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 2777 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:52:19,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:52:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2023-11-12 00:52:19,476 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:52:19,691 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-11-12 00:52:19,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614801488] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:52:19,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [925909878] [2023-11-12 00:52:19,720 INFO L159 IcfgInterpreter]: Started Sifa with 140 locations of interest [2023-11-12 00:52:19,720 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:52:19,725 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:52:19,730 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:52:19,731 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs