./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3c7180be0629e9a0656fd9fc52d5b3ae804deb1e2c1641d5e88fc72d6eeae4e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:15:31,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:15:31,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:15:31,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:15:31,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:15:31,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:15:31,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:15:31,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:15:31,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:15:31,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:15:31,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:15:31,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:15:31,790 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:15:31,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:15:31,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:15:31,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:15:31,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:15:31,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:15:31,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:15:31,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:15:31,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:15:31,795 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:15:31,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:15:31,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:15:31,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:15:31,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:31,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:15:31,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:15:31,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:15:31,800 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:15:31,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:15:31,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:15:31,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:15:31,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:15:31,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:15:31,803 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:15:31,803 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c7180be0629e9a0656fd9fc52d5b3ae804deb1e2c1641d5e88fc72d6eeae4e4 [2023-11-12 02:15:32,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:15:32,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:15:32,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:15:32,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:15:32,179 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:15:32,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2023-11-12 02:15:35,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:15:36,033 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:15:36,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2023-11-12 02:15:36,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl/data/6bcf0400b/e012efbf9b2a41fe8aa34b7a21207d3d/FLAGe873d3c03 [2023-11-12 02:15:36,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl/data/6bcf0400b/e012efbf9b2a41fe8aa34b7a21207d3d [2023-11-12 02:15:36,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:15:36,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:15:36,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:36,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:15:36,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:15:36,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:36" (1/1) ... [2023-11-12 02:15:36,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ebced4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:36, skipping insertion in model container [2023-11-12 02:15:36,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:36" (1/1) ... [2023-11-12 02:15:36,400 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:15:38,839 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_2af79df0-4c21-4f0a-8e0e-15c7293159e6/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i[346956,346969] [2023-11-12 02:15:38,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:39,055 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:15:39,180 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"); [4858] [2023-11-12 02:15:39,182 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)); [4865] [2023-11-12 02:15:39,183 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4872-4873] [2023-11-12 02:15:39,185 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [4914-4915] [2023-11-12 02:15:39,186 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.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4920-4922] [2023-11-12 02:15:39,187 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (830), "i" (12UL)); [4943-4944] [2023-11-12 02:15:39,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [4949-4951] [2023-11-12 02:15:39,188 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (835), "i" (12UL)); [4971-4972] [2023-11-12 02:15:39,189 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" (47UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4977-4979] [2023-11-12 02:15:39,210 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)); [5247-5248] [2023-11-12 02:15:39,221 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)); [5275-5276] [2023-11-12 02:15:39,222 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" (103), "i" (12UL)); [5304-5305] [2023-11-12 02:15:39,224 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" (115), "i" (12UL)); [5333-5334] [2023-11-12 02:15:39,558 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 *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/net/ethernet/3com/3c59x.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/net/ethernet/3com/3c59x.c.prepared"), "i" (3272), "i" (12UL)); [10152-10153] [2023-11-12 02:15:39,581 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_2af79df0-4c21-4f0a-8e0e-15c7293159e6/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i[346956,346969] [2023-11-12 02:15:39,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:39,904 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:15:39,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:39 WrapperNode [2023-11-12 02:15:39,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:39,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:39,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:15:39,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:15:39,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:39" (1/1) ... [2023-11-12 02:15:40,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:39" (1/1) ... [2023-11-12 02:15:40,377 INFO L138 Inliner]: procedures = 308, calls = 3915, calls flagged for inlining = 137, calls inlined = 126, statements flattened = 7656 [2023-11-12 02:15:40,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:40,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:15:40,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:15:40,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:15:40,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:39" (1/1) ... [2023-11-12 02:15:40,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:39" (1/1) ... [2023-11-12 02:15:40,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:39" (1/1) ... [2023-11-12 02:15:40,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:39" (1/1) ... [2023-11-12 02:15:40,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:39" (1/1) ... [2023-11-12 02:15:40,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:39" (1/1) ... [2023-11-12 02:15:40,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:39" (1/1) ... [2023-11-12 02:15:40,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:39" (1/1) ... [2023-11-12 02:15:40,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:15:40,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:15:40,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:15:40,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:15:40,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:39" (1/1) ... [2023-11-12 02:15:40,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:40,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:40,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:15:40,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af79df0-4c21-4f0a-8e0e-15c7293159e6/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:15:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-11-12 02:15:40,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-11-12 02:15:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:15:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:15:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 02:15:40,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 02:15:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-12 02:15:40,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-12 02:15:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:15:40,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:15:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:15:40,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:15:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 02:15:40,953 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 02:15:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-11-12 02:15:40,954 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-11-12 02:15:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-12 02:15:40,954 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-12 02:15:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 02:15:40,955 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 02:15:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:15:40,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:15:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-11-12 02:15:40,958 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-11-12 02:15:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 02:15:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 02:15:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:15:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:15:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-12 02:15:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-12 02:15:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-12 02:15:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-12 02:15:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-11-12 02:15:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-11-12 02:15:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 02:15:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 02:15:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:15:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:15:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 02:15:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 02:15:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:15:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:15:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 02:15:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 02:15:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 02:15:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 02:15:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:15:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 02:15:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 02:15:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-11-12 02:15:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-11-12 02:15:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 02:15:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 02:15:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-12 02:15:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-12 02:15:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:15:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 02:15:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 02:15:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 02:15:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 02:15:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 02:15:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 02:15:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 02:15:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 02:15:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-11-12 02:15:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-11-12 02:15:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-11-12 02:15:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-11-12 02:15:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:15:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:15:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-12 02:15:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-12 02:15:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-12 02:15:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-12 02:15:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:15:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:15:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 02:15:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 02:15:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:15:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-12 02:15:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-12 02:15:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:15:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:15:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:15:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 02:15:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 02:15:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-12 02:15:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-12 02:15:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:15:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:15:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:15:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:15:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 02:15:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 02:15:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-12 02:15:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-12 02:15:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:15:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_ioctl [2023-11-12 02:15:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_ioctl [2023-11-12 02:15:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-12 02:15:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-12 02:15:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-11-12 02:15:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-11-12 02:15:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-12 02:15:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-12 02:15:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-12 02:15:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-12 02:15:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-11-12 02:15:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-11-12 02:15:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:15:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:15:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:15:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:15:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:15:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-11-12 02:15:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-11-12 02:15:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-12 02:15:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-12 02:15:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 02:15:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 02:15:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-11-12 02:15:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-11-12 02:15:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:15:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-11-12 02:15:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-11-12 02:15:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 02:15:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 02:15:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 02:15:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 02:15:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:15:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:15:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:15:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:15:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 02:15:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 02:15:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:15:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:15:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 02:15:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 02:15:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-11-12 02:15:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-11-12 02:15:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-11-12 02:15:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-11-12 02:15:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_get_stats [2023-11-12 02:15:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_get_stats [2023-11-12 02:15:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 02:15:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 02:15:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-12 02:15:40,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-12 02:15:40,989 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-12 02:15:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-12 02:15:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 02:15:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 02:15:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:15:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-11-12 02:15:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-11-12 02:15:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 02:15:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 02:15:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-12 02:15:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-12 02:15:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-11-12 02:15:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-11-12 02:15:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-12 02:15:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-12 02:15:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 02:15:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 02:15:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:15:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:15:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-11-12 02:15:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-11-12 02:15:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-11-12 02:15:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-11-12 02:15:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-11-12 02:15:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-11-12 02:15:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:15:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-12 02:15:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-12 02:15:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:15:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-12 02:15:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-12 02:15:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-12 02:15:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-12 02:15:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:15:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:15:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:15:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-12 02:15:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-12 02:15:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-12 02:15:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-12 02:15:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 02:15:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 02:15:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-11-12 02:15:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-11-12 02:15:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-11-12 02:15:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-11-12 02:15:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 02:15:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 02:15:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-11-12 02:15:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-11-12 02:15:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-11-12 02:15:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-11-12 02:15:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-12 02:15:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-12 02:15:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:15:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:15:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-11-12 02:15:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-11-12 02:15:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 02:15:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 02:15:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 02:15:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 02:15:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-12 02:15:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-12 02:15:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 02:15:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 02:15:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:15:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:15:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 02:15:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 02:15:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-11-12 02:15:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-11-12 02:15:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-12 02:15:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-12 02:15:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 02:15:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 02:15:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-11-12 02:15:41,005 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-11-12 02:15:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-12 02:15:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-12 02:15:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-11-12 02:15:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-11-12 02:15:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:15:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-12 02:15:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-12 02:15:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-12 02:15:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-12 02:15:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-11-12 02:15:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-11-12 02:15:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-11-12 02:15:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-11-12 02:15:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 02:15:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 02:15:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:15:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:15:41,008 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-12 02:15:41,008 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-12 02:15:41,947 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:15:41,952 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:15:51,801 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:15:51,832 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:15:51,832 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 02:15:51,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:51 BoogieIcfgContainer [2023-11-12 02:15:51,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:15:51,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:15:51,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:15:51,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:15:51,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:15:36" (1/3) ... [2023-11-12 02:15:51,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f488434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:51, skipping insertion in model container [2023-11-12 02:15:51,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:39" (2/3) ... [2023-11-12 02:15:51,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f488434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:51, skipping insertion in model container [2023-11-12 02:15:51,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:51" (3/3) ... [2023-11-12 02:15:51,850 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2023-11-12 02:15:51,870 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:15:51,870 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:15:52,004 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:15:52,011 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7640d586, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:15:52,012 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:15:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 3038 states, 2231 states have (on average 1.4639175257731958) internal successors, (3266), 2294 states have internal predecessors, (3266), 690 states have call successors, (690), 115 states have call predecessors, (690), 115 states have return successors, (690), 679 states have call predecessors, (690), 690 states have call successors, (690) [2023-11-12 02:15:52,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 02:15:52,063 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:52,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:52,065 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:52,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:52,072 INFO L85 PathProgramCache]: Analyzing trace with hash 564421162, now seen corresponding path program 1 times [2023-11-12 02:15:52,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:52,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074157378] [2023-11-12 02:15:52,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:52,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:15:53,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:53,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074157378] [2023-11-12 02:15:53,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074157378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:53,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:53,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:15:53,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286008956] [2023-11-12 02:15:53,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:53,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:15:53,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:53,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:15:53,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:15:53,388 INFO L87 Difference]: Start difference. First operand has 3038 states, 2231 states have (on average 1.4639175257731958) internal successors, (3266), 2294 states have internal predecessors, (3266), 690 states have call successors, (690), 115 states have call predecessors, (690), 115 states have return successors, (690), 679 states have call predecessors, (690), 690 states have call successors, (690) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:54,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:54,154 INFO L93 Difference]: Finished difference Result 9057 states and 13953 transitions. [2023-11-12 02:15:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:15:54,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-12 02:15:54,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:54,235 INFO L225 Difference]: With dead ends: 9057 [2023-11-12 02:15:54,235 INFO L226 Difference]: Without dead ends: 5998 [2023-11-12 02:15:54,274 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 02:15:54,278 INFO L413 NwaCegarLoop]: 4626 mSDtfsCounter, 4566 mSDsluCounter, 4592 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4566 SdHoareTripleChecker+Valid, 9218 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:54,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4566 Valid, 9218 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:15:54,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5998 states. [2023-11-12 02:15:54,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5998 to 5998. [2023-11-12 02:15:54,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5998 states, 4402 states have (on average 1.4545661063153112) internal successors, (6403), 4522 states have internal predecessors, (6403), 1367 states have call successors, (1367), 229 states have call predecessors, (1367), 228 states have return successors, (1364), 1342 states have call predecessors, (1364), 1364 states have call successors, (1364) [2023-11-12 02:15:54,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5998 states to 5998 states and 9134 transitions. [2023-11-12 02:15:54,822 INFO L78 Accepts]: Start accepts. Automaton has 5998 states and 9134 transitions. Word has length 17 [2023-11-12 02:15:54,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:54,822 INFO L495 AbstractCegarLoop]: Abstraction has 5998 states and 9134 transitions. [2023-11-12 02:15:54,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:54,823 INFO L276 IsEmpty]: Start isEmpty. Operand 5998 states and 9134 transitions. [2023-11-12 02:15:54,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 02:15:54,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:54,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:54,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:15:54,834 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:54,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:54,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1801641271, now seen corresponding path program 1 times [2023-11-12 02:15:54,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:54,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207954402] [2023-11-12 02:15:54,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:54,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:55,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:15:55,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:55,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207954402] [2023-11-12 02:15:55,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207954402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:55,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:55,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:15:55,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738635048] [2023-11-12 02:15:55,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:55,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:15:55,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:55,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:15:55,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:55,795 INFO L87 Difference]: Start difference. First operand 5998 states and 9134 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:57,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:57,170 INFO L93 Difference]: Finished difference Result 12681 states and 19403 transitions. [2023-11-12 02:15:57,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:15:57,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-11-12 02:15:57,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:57,248 INFO L225 Difference]: With dead ends: 12681 [2023-11-12 02:15:57,248 INFO L226 Difference]: Without dead ends: 6686 [2023-11-12 02:15:57,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:15:57,292 INFO L413 NwaCegarLoop]: 5549 mSDtfsCounter, 5447 mSDsluCounter, 10305 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5447 SdHoareTripleChecker+Valid, 15854 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:57,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5447 Valid, 15854 Invalid, 474 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [159 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-12 02:15:57,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6686 states. [2023-11-12 02:15:57,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6686 to 6001. [2023-11-12 02:15:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6001 states, 4405 states have (on average 1.4540295119182747) internal successors, (6405), 4525 states have internal predecessors, (6405), 1367 states have call successors, (1367), 229 states have call predecessors, (1367), 228 states have return successors, (1364), 1342 states have call predecessors, (1364), 1364 states have call successors, (1364) [2023-11-12 02:15:57,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6001 states to 6001 states and 9136 transitions. [2023-11-12 02:15:57,942 INFO L78 Accepts]: Start accepts. Automaton has 6001 states and 9136 transitions. Word has length 26 [2023-11-12 02:15:57,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:57,943 INFO L495 AbstractCegarLoop]: Abstraction has 6001 states and 9136 transitions. [2023-11-12 02:15:57,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:57,944 INFO L276 IsEmpty]: Start isEmpty. Operand 6001 states and 9136 transitions. [2023-11-12 02:15:57,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 02:15:57,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:57,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:57,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:15:57,952 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:57,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:57,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1756009353, now seen corresponding path program 1 times [2023-11-12 02:15:57,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:57,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276478198] [2023-11-12 02:15:57,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:57,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:15:58,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:58,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276478198] [2023-11-12 02:15:58,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276478198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:58,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:58,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:15:58,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256757698] [2023-11-12 02:15:58,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:58,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:15:58,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:58,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:15:58,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:15:58,816 INFO L87 Difference]: Start difference. First operand 6001 states and 9136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:16:04,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:04,521 INFO L93 Difference]: Finished difference Result 21752 states and 33060 transitions. [2023-11-12 02:16:04,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:16:04,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-11-12 02:16:04,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:04,718 INFO L225 Difference]: With dead ends: 21752 [2023-11-12 02:16:04,718 INFO L226 Difference]: Without dead ends: 15754 [2023-11-12 02:16:04,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:16:04,770 INFO L413 NwaCegarLoop]: 10261 mSDtfsCounter, 11210 mSDsluCounter, 7808 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11210 SdHoareTripleChecker+Valid, 18069 SdHoareTripleChecker+Invalid, 2099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 708 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:04,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11210 Valid, 18069 Invalid, 2099 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [708 Valid, 1391 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-12 02:16:04,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15754 states. [2023-11-12 02:16:06,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15754 to 15728. [2023-11-12 02:16:06,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15728 states, 11565 states have (on average 1.4526588845654993) internal successors, (16800), 11870 states have internal predecessors, (16800), 3549 states have call successors, (3549), 614 states have call predecessors, (3549), 613 states have return successors, (3546), 3489 states have call predecessors, (3546), 3546 states have call successors, (3546) [2023-11-12 02:16:06,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15728 states to 15728 states and 23895 transitions. [2023-11-12 02:16:06,208 INFO L78 Accepts]: Start accepts. Automaton has 15728 states and 23895 transitions. Word has length 26 [2023-11-12 02:16:06,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:06,209 INFO L495 AbstractCegarLoop]: Abstraction has 15728 states and 23895 transitions. [2023-11-12 02:16:06,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:16:06,209 INFO L276 IsEmpty]: Start isEmpty. Operand 15728 states and 23895 transitions. [2023-11-12 02:16:06,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 02:16:06,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:06,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:06,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:16:06,214 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:06,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:06,215 INFO L85 PathProgramCache]: Analyzing trace with hash 2145930933, now seen corresponding path program 1 times [2023-11-12 02:16:06,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:06,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661783270] [2023-11-12 02:16:06,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:06,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:06,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:16:06,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:06,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661783270] [2023-11-12 02:16:06,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661783270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:06,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:06,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:16:06,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472306864] [2023-11-12 02:16:06,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:06,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:16:06,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:06,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:16:06,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:16:06,948 INFO L87 Difference]: Start difference. First operand 15728 states and 23895 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:16:11,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:16:11,205 INFO L93 Difference]: Finished difference Result 35216 states and 53441 transitions. [2023-11-12 02:16:11,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:16:11,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-11-12 02:16:11,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:16:11,377 INFO L225 Difference]: With dead ends: 35216 [2023-11-12 02:16:11,378 INFO L226 Difference]: Without dead ends: 25439 [2023-11-12 02:16:11,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:16:11,444 INFO L413 NwaCegarLoop]: 9177 mSDtfsCounter, 9729 mSDsluCounter, 7797 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9729 SdHoareTripleChecker+Valid, 16974 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:16:11,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9729 Valid, 16974 Invalid, 1539 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [160 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-12 02:16:11,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25439 states. [2023-11-12 02:16:13,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25439 to 25417. [2023-11-12 02:16:13,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25417 states, 18703 states have (on average 1.452761589049885) internal successors, (27171), 19191 states have internal predecessors, (27171), 5717 states have call successors, (5717), 997 states have call predecessors, (5717), 996 states have return successors, (5714), 5624 states have call predecessors, (5714), 5714 states have call successors, (5714) [2023-11-12 02:16:13,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25417 states to 25417 states and 38602 transitions. [2023-11-12 02:16:13,399 INFO L78 Accepts]: Start accepts. Automaton has 25417 states and 38602 transitions. Word has length 26 [2023-11-12 02:16:13,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:16:13,400 INFO L495 AbstractCegarLoop]: Abstraction has 25417 states and 38602 transitions. [2023-11-12 02:16:13,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:16:13,400 INFO L276 IsEmpty]: Start isEmpty. Operand 25417 states and 38602 transitions. [2023-11-12 02:16:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 02:16:13,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:16:13,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:16:13,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:16:13,405 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:16:13,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:16:13,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1054944775, now seen corresponding path program 1 times [2023-11-12 02:16:13,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:16:13,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259675684] [2023-11-12 02:16:13,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:16:13,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:16:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:16:14,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:16:14,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:16:14,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259675684] [2023-11-12 02:16:14,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259675684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:16:14,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:16:14,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:16:14,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647005238] [2023-11-12 02:16:14,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:16:14,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:16:14,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:16:14,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:16:14,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:16:14,384 INFO L87 Difference]: Start difference. First operand 25417 states and 38602 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)