./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/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_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 05:22:03,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:22:03,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:22:03,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:22:03,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:22:03,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:22:03,206 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:22:03,206 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:22:03,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:22:03,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:22:03,214 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:22:03,215 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:22:03,215 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:22:03,216 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:22:03,216 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:22:03,217 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:22:03,217 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:22:03,218 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:22:03,218 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:22:03,219 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:22:03,219 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:22:03,224 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:22:03,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:22:03,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:22:03,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:22:03,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:22:03,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:22:03,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:22:03,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:22:03,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:22:03,231 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:22:03,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:22:03,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:22:03,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:22:03,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:22:03,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:22:03,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:22:03,233 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:22:03,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:22:03,233 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:22:03,234 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:22:03,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:22:03,234 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_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5287aa284221e5fd9453b6be2206814d99b5890aba823bfb498c43964518ada [2023-11-19 05:22:03,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:22:03,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:22:03,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:22:03,683 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:22:03,683 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:22:03,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/../../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 [2023-11-19 05:22:06,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:22:07,762 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:22:07,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/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 [2023-11-19 05:22:07,812 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/data/20bfa624a/6bcc6dd48b914c35ba5e039f6700f248/FLAG1a8fce720 [2023-11-19 05:22:07,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/data/20bfa624a/6bcc6dd48b914c35ba5e039f6700f248 [2023-11-19 05:22:07,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:22:07,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:22:07,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:22:07,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:22:07,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:22:07,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:07" (1/1) ... [2023-11-19 05:22:07,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85879fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:07, skipping insertion in model container [2023-11-19 05:22:07,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:07" (1/1) ... [2023-11-19 05:22:08,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:22:10,582 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_5c4177c3-a3de-420b-9ddf-550b0467e864/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] [2023-11-19 05:22:10,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:22:10,731 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:22:10,880 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] [2023-11-19 05:22:10,882 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] [2023-11-19 05:22:10,883 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] [2023-11-19 05:22:10,933 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] [2023-11-19 05:22:10,934 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] [2023-11-19 05:22:10,935 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] [2023-11-19 05:22:10,935 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] [2023-11-19 05:22:10,936 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] [2023-11-19 05:22:10,936 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] [2023-11-19 05:22:10,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5931] [2023-11-19 05:22:10,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5939] [2023-11-19 05:22:10,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5947] [2023-11-19 05:22:10,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5954] [2023-11-19 05:22:10,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5961] [2023-11-19 05:22:10,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5968] [2023-11-19 05:22:10,953 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] [2023-11-19 05:22:10,956 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] [2023-11-19 05:22:10,966 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] [2023-11-19 05:22:10,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6350] [2023-11-19 05:22:10,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6769] [2023-11-19 05:22:11,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7146] [2023-11-19 05:22:11,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7659] [2023-11-19 05:22:11,210 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_5c4177c3-a3de-420b-9ddf-550b0467e864/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] [2023-11-19 05:22:11,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:22:11,496 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:22:11,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:11 WrapperNode [2023-11-19 05:22:11,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:22:11,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:22:11,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:22:11,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:22:11,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:11" (1/1) ... [2023-11-19 05:22:11,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:11" (1/1) ... [2023-11-19 05:22:11,915 INFO L138 Inliner]: procedures = 278, calls = 1483, calls flagged for inlining = 146, calls inlined = 136, statements flattened = 4140 [2023-11-19 05:22:11,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:22:11,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:22:11,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:22:11,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:22:11,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:11" (1/1) ... [2023-11-19 05:22:11,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:11" (1/1) ... [2023-11-19 05:22:11,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:11" (1/1) ... [2023-11-19 05:22:11,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:11" (1/1) ... [2023-11-19 05:22:12,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:11" (1/1) ... [2023-11-19 05:22:12,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:11" (1/1) ... [2023-11-19 05:22:12,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:11" (1/1) ... [2023-11-19 05:22:12,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:11" (1/1) ... [2023-11-19 05:22:12,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:22:12,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:22:12,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:22:12,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:22:12,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:11" (1/1) ... [2023-11-19 05:22:12,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:22:12,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:22:12,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:22:12,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:22:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2023-11-19 05:22:12,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2023-11-19 05:22:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:22:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:22:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 05:22:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 05:22:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:22:12,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:22:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2023-11-19 05:22:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2023-11-19 05:22:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:22:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:22:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 05:22:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 05:22:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 05:22:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 05:22:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 05:22:12,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 05:22:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 05:22:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 05:22:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2023-11-19 05:22:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2023-11-19 05:22:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:22:12,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:22:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2023-11-19 05:22:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2023-11-19 05:22:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 05:22:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 05:22:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2023-11-19 05:22:12,362 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2023-11-19 05:22:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 05:22:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 05:22:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:22:12,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:22:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 05:22:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 05:22:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 05:22:12,364 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 05:22:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 05:22:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 05:22:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2023-11-19 05:22:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2023-11-19 05:22:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:22:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:22:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 05:22:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 05:22:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 05:22:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 05:22:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 05:22:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 05:22:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 05:22:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 05:22:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:22:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 05:22:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 05:22:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 05:22:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 05:22:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:22:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 05:22:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 05:22:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 05:22:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 05:22:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 05:22:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 05:22:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2023-11-19 05:22:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2023-11-19 05:22:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 05:22:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 05:22:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 05:22:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 05:22:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-19 05:22:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-19 05:22:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 05:22:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 05:22:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2023-11-19 05:22:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2023-11-19 05:22:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:22:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:22:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2023-11-19 05:22:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2023-11-19 05:22:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 05:22:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 05:22:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2023-11-19 05:22:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2023-11-19 05:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 05:22:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 05:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 05:22:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 05:22:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 05:22:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 05:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2023-11-19 05:22:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2023-11-19 05:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 05:22:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 05:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2023-11-19 05:22:12,381 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2023-11-19 05:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2023-11-19 05:22:12,381 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2023-11-19 05:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 05:22:12,382 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 05:22:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-11-19 05:22:12,382 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-11-19 05:22:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 05:22:12,382 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 05:22:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:22:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 05:22:12,383 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 05:22:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 05:22:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 05:22:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 05:22:12,384 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 05:22:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 05:22:12,385 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 05:22:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:22:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:22:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_ioctl [2023-11-19 05:22:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_ioctl [2023-11-19 05:22:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 05:22:12,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 05:22:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:22:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 05:22:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 05:22:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 05:22:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 05:22:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2023-11-19 05:22:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2023-11-19 05:22:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 05:22:12,394 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 05:22:12,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:22:12,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:22:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_mac_address [2023-11-19 05:22:12,396 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_mac_address [2023-11-19 05:22:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2023-11-19 05:22:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2023-11-19 05:22:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 05:22:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 05:22:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:22:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-11-19 05:22:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-11-19 05:22:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2023-11-19 05:22:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2023-11-19 05:22:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 05:22:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 05:22:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 05:22:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 05:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 05:22:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 05:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-11-19 05:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-11-19 05:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2023-11-19 05:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2023-11-19 05:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_change_mtu [2023-11-19 05:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_change_mtu [2023-11-19 05:22:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 05:22:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 05:22:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2023-11-19 05:22:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2023-11-19 05:22:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 05:22:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 05:22:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2023-11-19 05:22:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2023-11-19 05:22:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 05:22:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 05:22:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-19 05:22:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-19 05:22:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2023-11-19 05:22:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2023-11-19 05:22:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 05:22:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 05:22:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 05:22:12,412 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 05:22:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:22:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-19 05:22:12,412 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-19 05:22:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-19 05:22:12,412 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-19 05:22:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:22:12,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:22:13,259 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:22:13,264 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:22:13,976 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:22:17,279 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:22:19,679 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:22:19,679 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:22:19,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:19 BoogieIcfgContainer [2023-11-19 05:22:19,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:22:19,711 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:22:19,711 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:22:19,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:22:19,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:22:07" (1/3) ... [2023-11-19 05:22:19,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7118e5bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:19, skipping insertion in model container [2023-11-19 05:22:19,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:11" (2/3) ... [2023-11-19 05:22:19,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7118e5bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:19, skipping insertion in model container [2023-11-19 05:22:19,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:19" (3/3) ... [2023-11-19 05:22:19,723 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2023-11-19 05:22:19,748 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:22:19,748 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:22:19,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:22:19,872 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;@66053fec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:22:19,873 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:22:19,889 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) [2023-11-19 05:22:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 05:22:19,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:19,960 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] [2023-11-19 05:22:19,961 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:19,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:19,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1039003371, now seen corresponding path program 1 times [2023-11-19 05:22:19,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:19,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922373046] [2023-11-19 05:22:19,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:19,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:20,999 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-11-19 05:22:21,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:21,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922373046] [2023-11-19 05:22:21,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922373046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:21,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:21,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:21,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240144960] [2023-11-19 05:22:21,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:21,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:21,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:21,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:21,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:21,050 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) [2023-11-19 05:22:23,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:23,540 INFO L93 Difference]: Finished difference Result 3239 states and 4740 transitions. [2023-11-19 05:22:23,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:23,544 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 [2023-11-19 05:22:23,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:23,599 INFO L225 Difference]: With dead ends: 3239 [2023-11-19 05:22:23,599 INFO L226 Difference]: Without dead ends: 1989 [2023-11-19 05:22:23,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:23,631 INFO L413 NwaCegarLoop]: 1657 mSDtfsCounter, 1134 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:23,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 3161 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-19 05:22:23,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2023-11-19 05:22:23,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1984. [2023-11-19 05:22:23,987 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) [2023-11-19 05:22:24,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1984 states and 2869 transitions. [2023-11-19 05:22:24,020 INFO L78 Accepts]: Start accepts. Automaton has 1984 states and 2869 transitions. Word has length 170 [2023-11-19 05:22:24,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:24,023 INFO L495 AbstractCegarLoop]: Abstraction has 1984 states and 2869 transitions. [2023-11-19 05:22:24,023 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) [2023-11-19 05:22:24,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2869 transitions. [2023-11-19 05:22:24,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-19 05:22:24,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:24,040 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] [2023-11-19 05:22:24,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:22:24,041 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:24,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:24,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1358322913, now seen corresponding path program 1 times [2023-11-19 05:22:24,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:24,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346315601] [2023-11-19 05:22:24,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:24,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:24,603 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2023-11-19 05:22:24,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:24,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346315601] [2023-11-19 05:22:24,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346315601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:24,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:24,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:24,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450797043] [2023-11-19 05:22:24,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:24,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:24,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:24,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:24,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:24,609 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) [2023-11-19 05:22:27,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:27,322 INFO L93 Difference]: Finished difference Result 5225 states and 7573 transitions. [2023-11-19 05:22:27,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:27,323 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 [2023-11-19 05:22:27,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:27,443 INFO L225 Difference]: With dead ends: 5225 [2023-11-19 05:22:27,443 INFO L226 Difference]: Without dead ends: 3265 [2023-11-19 05:22:27,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:27,455 INFO L413 NwaCegarLoop]: 2386 mSDtfsCounter, 1437 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:27,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1437 Valid, 3906 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-19 05:22:27,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2023-11-19 05:22:27,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 3262. [2023-11-19 05:22:27,700 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) [2023-11-19 05:22:27,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 4734 transitions. [2023-11-19 05:22:27,742 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 4734 transitions. Word has length 190 [2023-11-19 05:22:27,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:27,743 INFO L495 AbstractCegarLoop]: Abstraction has 3262 states and 4734 transitions. [2023-11-19 05:22:27,744 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) [2023-11-19 05:22:27,744 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 4734 transitions. [2023-11-19 05:22:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-19 05:22:27,755 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:27,756 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] [2023-11-19 05:22:27,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:22:27,756 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:27,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:27,757 INFO L85 PathProgramCache]: Analyzing trace with hash 822299791, now seen corresponding path program 1 times [2023-11-19 05:22:27,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:27,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098572949] [2023-11-19 05:22:27,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:27,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2023-11-19 05:22:28,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:28,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098572949] [2023-11-19 05:22:28,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098572949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:28,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:28,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:28,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853816822] [2023-11-19 05:22:28,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:28,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:28,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:28,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:28,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:28,207 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) [2023-11-19 05:22:29,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:29,357 INFO L93 Difference]: Finished difference Result 6490 states and 9425 transitions. [2023-11-19 05:22:29,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:29,360 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 [2023-11-19 05:22:29,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:29,402 INFO L225 Difference]: With dead ends: 6490 [2023-11-19 05:22:29,402 INFO L226 Difference]: Without dead ends: 3262 [2023-11-19 05:22:29,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:29,451 INFO L413 NwaCegarLoop]: 1588 mSDtfsCounter, 1788 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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 [2023-11-19 05:22:29,458 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] [2023-11-19 05:22:29,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2023-11-19 05:22:29,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3262. [2023-11-19 05:22:29,820 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) [2023-11-19 05:22:29,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 4732 transitions. [2023-11-19 05:22:29,853 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 4732 transitions. Word has length 212 [2023-11-19 05:22:29,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:29,854 INFO L495 AbstractCegarLoop]: Abstraction has 3262 states and 4732 transitions. [2023-11-19 05:22:29,854 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) [2023-11-19 05:22:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 4732 transitions. [2023-11-19 05:22:29,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-19 05:22:29,867 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:29,867 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] [2023-11-19 05:22:29,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:22:29,868 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:29,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:29,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1512154230, now seen corresponding path program 1 times [2023-11-19 05:22:29,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:29,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66641632] [2023-11-19 05:22:29,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:29,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:30,555 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-11-19 05:22:30,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:30,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66641632] [2023-11-19 05:22:30,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66641632] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:30,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:30,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:30,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217114898] [2023-11-19 05:22:30,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:30,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:30,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:30,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:30,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:30,559 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) [2023-11-19 05:22:33,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:33,320 INFO L93 Difference]: Finished difference Result 7845 states and 11410 transitions. [2023-11-19 05:22:33,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:33,321 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 [2023-11-19 05:22:33,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:33,369 INFO L225 Difference]: With dead ends: 7845 [2023-11-19 05:22:33,370 INFO L226 Difference]: Without dead ends: 4617 [2023-11-19 05:22:33,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:33,392 INFO L413 NwaCegarLoop]: 2793 mSDtfsCounter, 1541 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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 [2023-11-19 05:22:33,393 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] [2023-11-19 05:22:33,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4617 states. [2023-11-19 05:22:33,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4617 to 4609. [2023-11-19 05:22:33,818 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) [2023-11-19 05:22:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4609 states to 4609 states and 6682 transitions. [2023-11-19 05:22:33,873 INFO L78 Accepts]: Start accepts. Automaton has 4609 states and 6682 transitions. Word has length 248 [2023-11-19 05:22:33,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:33,874 INFO L495 AbstractCegarLoop]: Abstraction has 4609 states and 6682 transitions. [2023-11-19 05:22:33,875 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) [2023-11-19 05:22:33,875 INFO L276 IsEmpty]: Start isEmpty. Operand 4609 states and 6682 transitions. [2023-11-19 05:22:33,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-11-19 05:22:33,891 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:33,892 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] [2023-11-19 05:22:33,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:22:33,892 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:33,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:33,893 INFO L85 PathProgramCache]: Analyzing trace with hash 355976755, now seen corresponding path program 1 times [2023-11-19 05:22:33,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:33,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850704991] [2023-11-19 05:22:33,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:33,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2023-11-19 05:22:34,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:34,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850704991] [2023-11-19 05:22:34,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850704991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:34,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:34,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:34,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504129] [2023-11-19 05:22:34,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:34,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:34,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:34,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:34,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:34,803 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) [2023-11-19 05:22:36,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:36,993 INFO L93 Difference]: Finished difference Result 9240 states and 13448 transitions. [2023-11-19 05:22:36,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:36,994 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 [2023-11-19 05:22:36,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:37,044 INFO L225 Difference]: With dead ends: 9240 [2023-11-19 05:22:37,045 INFO L226 Difference]: Without dead ends: 4665 [2023-11-19 05:22:37,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:37,081 INFO L413 NwaCegarLoop]: 1585 mSDtfsCounter, 10 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:37,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3163 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-19 05:22:37,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4665 states. [2023-11-19 05:22:37,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4665 to 4617. [2023-11-19 05:22:37,556 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) [2023-11-19 05:22:37,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 4617 states and 6690 transitions. [2023-11-19 05:22:37,594 INFO L78 Accepts]: Start accepts. Automaton has 4617 states and 6690 transitions. Word has length 263 [2023-11-19 05:22:37,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:37,599 INFO L495 AbstractCegarLoop]: Abstraction has 4617 states and 6690 transitions. [2023-11-19 05:22:37,600 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) [2023-11-19 05:22:37,600 INFO L276 IsEmpty]: Start isEmpty. Operand 4617 states and 6690 transitions. [2023-11-19 05:22:37,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-11-19 05:22:37,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:37,619 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] [2023-11-19 05:22:37,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 05:22:37,620 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:37,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:37,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1742381827, now seen corresponding path program 1 times [2023-11-19 05:22:37,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:37,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135485361] [2023-11-19 05:22:37,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:37,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-11-19 05:22:38,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:38,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135485361] [2023-11-19 05:22:38,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135485361] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:22:38,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766063345] [2023-11-19 05:22:38,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:38,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:22:38,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:22:38,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:22:38,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c4177c3-a3de-420b-9ddf-550b0467e864/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:22:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:39,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 2777 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:22:39,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2023-11-19 05:22:39,864 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:22:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-11-19 05:22:40,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766063345] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:22:40,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [908395763] [2023-11-19 05:22:40,197 INFO L159 IcfgInterpreter]: Started Sifa with 140 locations of interest [2023-11-19 05:22:40,198 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 05:22:40,203 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 05:22:40,209 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 05:22:40,210 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs