./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9381d2a-800c-49cf-8765-ed65ab3387e1/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9381d2a-800c-49cf-8765-ed65ab3387e1/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_b9381d2a-800c-49cf-8765-ed65ab3387e1/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9381d2a-800c-49cf-8765-ed65ab3387e1/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9381d2a-800c-49cf-8765-ed65ab3387e1/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_b9381d2a-800c-49cf-8765-ed65ab3387e1/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 a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:09:14,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:09:14,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9381d2a-800c-49cf-8765-ed65ab3387e1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:09:14,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:09:14,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:09:14,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:09:14,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:09:14,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:09:14,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:09:14,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:09:14,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:09:14,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:09:14,161 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:09:14,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:09:14,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:09:14,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:09:14,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:09:14,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:09:14,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:09:14,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:09:14,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:09:14,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:09:14,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:09:14,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:09:14,170 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:09:14,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:09:14,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:09:14,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:09:14,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:09:14,173 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:09:14,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:09:14,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:09:14,176 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:09:14,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:09:14,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:09:14,177 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:09:14,177 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_b9381d2a-800c-49cf-8765-ed65ab3387e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9381d2a-800c-49cf-8765-ed65ab3387e1/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3968cfb5889c9f3d7db25b50a6978e9654cfd81b83e3cceec28f5c030877771 [2023-11-12 02:09:14,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:09:14,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:09:14,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:09:14,493 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:09:14,494 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:09:14,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9381d2a-800c-49cf-8765-ed65ab3387e1/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-11-12 02:09:17,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:09:18,488 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:09:18,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9381d2a-800c-49cf-8765-ed65ab3387e1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-11-12 02:09:18,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9381d2a-800c-49cf-8765-ed65ab3387e1/bin/uautomizer-verify-uTZkv6EMXl/data/f746b2dae/4befbc9d30ec48c8b1b5d57f0ab745d1/FLAGe2d37b640 [2023-11-12 02:09:18,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9381d2a-800c-49cf-8765-ed65ab3387e1/bin/uautomizer-verify-uTZkv6EMXl/data/f746b2dae/4befbc9d30ec48c8b1b5d57f0ab745d1 [2023-11-12 02:09:18,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:09:18,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:09:18,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:09:18,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:09:18,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:09:18,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:09:18" (1/1) ... [2023-11-12 02:09:18,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef5e5dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:18, skipping insertion in model container [2023-11-12 02:09:18,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:09:18" (1/1) ... [2023-11-12 02:09:18,791 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:09:21,656 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_b9381d2a-800c-49cf-8765-ed65ab3387e1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2023-11-12 02:09:21,662 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_b9381d2a-800c-49cf-8765-ed65ab3387e1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2023-11-12 02:09:21,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:09:21,775 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:09:21,894 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"); [5254] [2023-11-12 02:09:21,896 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)); [5261] [2023-11-12 02:09:21,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5268] [2023-11-12 02:09:21,898 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5307-5308] [2023-11-12 02:09:21,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5313-5315] [2023-11-12 02:09:21,949 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)); [5512-5513] [2023-11-12 02:09:21,951 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)); [5546-5547] [2023-11-12 02:09:21,952 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)); [5583-5584] [2023-11-12 02:09:21,953 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" (115), "i" (12UL)); [5620-5621] [2023-11-12 02:09:22,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7060] [2023-11-12 02:09:22,191 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_b9381d2a-800c-49cf-8765-ed65ab3387e1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320486,320499] [2023-11-12 02:09:22,192 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_b9381d2a-800c-49cf-8765-ed65ab3387e1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i[320631,320644] [2023-11-12 02:09:22,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:09:22,489 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:09:22,497 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:09:22,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:22 WrapperNode [2023-11-12 02:09:22,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:09:22,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:09:22,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:09:22,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:09:22,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:22" (1/1) ... [2023-11-12 02:09:22,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:22" (1/1) ... [2023-11-12 02:09:22,854 INFO L138 Inliner]: procedures = 433, calls = 1909, calls flagged for inlining = 216, calls inlined = 200, statements flattened = 4907 [2023-11-12 02:09:22,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:09:22,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:09:22,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:09:22,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:09:22,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:22" (1/1) ... [2023-11-12 02:09:22,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:22" (1/1) ... [2023-11-12 02:09:22,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:22" (1/1) ... [2023-11-12 02:09:22,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:22" (1/1) ... [2023-11-12 02:09:23,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:22" (1/1) ... [2023-11-12 02:09:23,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:22" (1/1) ... [2023-11-12 02:09:23,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:22" (1/1) ... [2023-11-12 02:09:23,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:22" (1/1) ... [2023-11-12 02:09:23,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:09:23,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:09:23,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:09:23,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:09:23,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:22" (1/1) ... [2023-11-12 02:09:23,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:09:23,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9381d2a-800c-49cf-8765-ed65ab3387e1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:09:23,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9381d2a-800c-49cf-8765-ed65ab3387e1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:09:23,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9381d2a-800c-49cf-8765-ed65ab3387e1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:09:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_90 [2023-11-12 02:09:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_90 [2023-11-12 02:09:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2023-11-12 02:09:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2023-11-12 02:09:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-12 02:09:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-12 02:09:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 02:09:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 02:09:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:09:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 02:09:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 02:09:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:09:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:09:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:09:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:09:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:09:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:09:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 02:09:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 02:09:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:09:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:09:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 02:09:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 02:09:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 02:09:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 02:09:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2023-11-12 02:09:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2023-11-12 02:09:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:09:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:09:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:09:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:09:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:09:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:09:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-11-12 02:09:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-11-12 02:09:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2023-11-12 02:09:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2023-11-12 02:09:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 02:09:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 02:09:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:09:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 02:09:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 02:09:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:09:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:09:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:09:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2023-11-12 02:09:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2023-11-12 02:09:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:09:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:09:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2023-11-12 02:09:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2023-11-12 02:09:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:09:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:09:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:09:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-12 02:09:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-12 02:09:23,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:09:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 02:09:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 02:09:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:09:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:09:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 02:09:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 02:09:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 02:09:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 02:09:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 02:09:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 02:09:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 02:09:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 02:09:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 02:09:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 02:09:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:09:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 02:09:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 02:09:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 02:09:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 02:09:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:09:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2023-11-12 02:09:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2023-11-12 02:09:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:09:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:09:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:09:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:09:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:09:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:09:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:09:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:09:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:09:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 02:09:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 02:09:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 02:09:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 02:09:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:09:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:09:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 02:09:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 02:09:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:09:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:09:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 02:09:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 02:09:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 02:09:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 02:09:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_102 [2023-11-12 02:09:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_102 [2023-11-12 02:09:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2023-11-12 02:09:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2023-11-12 02:09:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 02:09:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 02:09:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:09:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:09:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:09:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:09:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:09:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:09:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-12 02:09:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-12 02:09:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 02:09:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 02:09:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-12 02:09:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-12 02:09:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2023-11-12 02:09:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2023-11-12 02:09:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 02:09:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 02:09:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:09:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:09:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:09:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:09:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 02:09:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 02:09:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 02:09:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 02:09:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 02:09:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 02:09:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:09:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2023-11-12 02:09:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2023-11-12 02:09:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 02:09:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 02:09:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:09:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 02:09:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 02:09:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:09:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:09:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:09:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:09:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:09:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:09:23,328 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:09:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-12 02:09:23,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-12 02:09:23,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:09:23,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:09:23,335 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-12 02:09:23,335 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-12 02:09:23,335 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 02:09:23,335 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 02:09:23,336 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:09:23,336 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:09:23,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_101 [2023-11-12 02:09:23,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_101 [2023-11-12 02:09:23,336 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 02:09:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 02:09:23,337 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2023-11-12 02:09:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2023-11-12 02:09:23,337 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2023-11-12 02:09:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2023-11-12 02:09:23,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:09:23,337 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2023-11-12 02:09:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2023-11-12 02:09:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:09:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:09:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:09:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:09:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 02:09:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 02:09:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 02:09:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 02:09:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:09:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:09:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:09:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2023-11-12 02:09:23,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2023-11-12 02:09:24,153 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:09:24,157 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:09:25,065 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:09:28,261 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 02:09:28,420 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:09:28,440 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:09:28,440 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:09:28,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:09:28 BoogieIcfgContainer [2023-11-12 02:09:28,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:09:28,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:09:28,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:09:28,452 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:09:28,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:09:18" (1/3) ... [2023-11-12 02:09:28,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8deaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:09:28, skipping insertion in model container [2023-11-12 02:09:28,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:22" (2/3) ... [2023-11-12 02:09:28,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8deaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:09:28, skipping insertion in model container [2023-11-12 02:09:28,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:09:28" (3/3) ... [2023-11-12 02:09:28,455 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-fealnx.cil.i [2023-11-12 02:09:28,477 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:09:28,478 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:09:28,608 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:09:28,618 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;@f998cc1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:09:28,619 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:09:28,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 1822 states, 1325 states have (on average 1.359245283018868) internal successors, (1801), 1343 states have internal predecessors, (1801), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (407), 404 states have call predecessors, (407), 407 states have call successors, (407) [2023-11-12 02:09:28,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-12 02:09:28,687 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:28,688 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2023-11-12 02:09:28,689 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:09:28,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:28,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1505395550, now seen corresponding path program 1 times [2023-11-12 02:09:28,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:28,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321586261] [2023-11-12 02:09:28,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:28,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:09:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:09:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:09:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:09:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:09:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:09:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:09:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:09:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:09:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:09:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-12 02:09:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-12 02:09:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-12 02:09:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-12 02:09:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:29,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-12 02:09:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:30,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-12 02:09:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:30,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:09:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:30,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-12 02:09:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:30,043 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2023-11-12 02:09:30,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:30,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321586261] [2023-11-12 02:09:30,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321586261] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:30,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:30,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:09:30,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270562041] [2023-11-12 02:09:30,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:30,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:09:30,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:30,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:09:30,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:09:30,116 INFO L87 Difference]: Start difference. First operand has 1822 states, 1325 states have (on average 1.359245283018868) internal successors, (1801), 1343 states have internal predecessors, (1801), 413 states have call successors, (413), 84 states have call predecessors, (413), 83 states have return successors, (407), 404 states have call predecessors, (407), 407 states have call successors, (407) Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2023-11-12 02:09:38,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:38,804 INFO L93 Difference]: Finished difference Result 5388 states and 7892 transitions. [2023-11-12 02:09:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:09:38,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 170 [2023-11-12 02:09:38,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:09:38,871 INFO L225 Difference]: With dead ends: 5388 [2023-11-12 02:09:38,872 INFO L226 Difference]: Without dead ends: 3510 [2023-11-12 02:09:38,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:09:38,902 INFO L413 NwaCegarLoop]: 1335 mSDtfsCounter, 4700 mSDsluCounter, 2837 mSDsCounter, 0 mSdLazyCounter, 3851 mSolverCounterSat, 2399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4927 SdHoareTripleChecker+Valid, 4172 SdHoareTripleChecker+Invalid, 6250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2399 IncrementalHoareTripleChecker+Valid, 3851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:09:38,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4927 Valid, 4172 Invalid, 6250 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2399 Valid, 3851 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-11-12 02:09:38,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3510 states. [2023-11-12 02:09:39,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3510 to 3423. [2023-11-12 02:09:39,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3423 states, 2534 states have (on average 1.3492501973164956) internal successors, (3419), 2571 states have internal predecessors, (3419), 726 states have call successors, (726), 161 states have call predecessors, (726), 162 states have return successors, (736), 716 states have call predecessors, (736), 726 states have call successors, (736) [2023-11-12 02:09:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 3423 states and 4881 transitions. [2023-11-12 02:09:39,333 INFO L78 Accepts]: Start accepts. Automaton has 3423 states and 4881 transitions. Word has length 170 [2023-11-12 02:09:39,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:09:39,336 INFO L495 AbstractCegarLoop]: Abstraction has 3423 states and 4881 transitions. [2023-11-12 02:09:39,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 4 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2023-11-12 02:09:39,337 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 4881 transitions. [2023-11-12 02:09:39,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-12 02:09:39,361 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:39,362 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 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] [2023-11-12 02:09:39,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:09:39,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:09:39,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:39,363 INFO L85 PathProgramCache]: Analyzing trace with hash 536038302, now seen corresponding path program 1 times [2023-11-12 02:09:39,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:39,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181358955] [2023-11-12 02:09:39,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:39,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:09:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:09:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:39,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:09:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:09:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:09:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:09:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:09:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:09:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:09:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:09:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-12 02:09:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-12 02:09:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-12 02:09:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-12 02:09:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-12 02:09:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-12 02:09:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,195 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2023-11-12 02:09:40,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:40,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181358955] [2023-11-12 02:09:40,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181358955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:40,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:40,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:09:40,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744866596] [2023-11-12 02:09:40,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:40,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:09:40,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:40,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:09:40,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:09:40,200 INFO L87 Difference]: Start difference. First operand 3423 states and 4881 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-12 02:09:45,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:45,040 INFO L93 Difference]: Finished difference Result 9157 states and 13086 transitions. [2023-11-12 02:09:45,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:09:45,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 178 [2023-11-12 02:09:45,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:09:45,084 INFO L225 Difference]: With dead ends: 9157 [2023-11-12 02:09:45,085 INFO L226 Difference]: Without dead ends: 5757 [2023-11-12 02:09:45,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:09:45,103 INFO L413 NwaCegarLoop]: 1624 mSDtfsCounter, 2819 mSDsluCounter, 2377 mSDsCounter, 0 mSdLazyCounter, 2407 mSolverCounterSat, 841 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3095 SdHoareTripleChecker+Valid, 4001 SdHoareTripleChecker+Invalid, 3248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 841 IncrementalHoareTripleChecker+Valid, 2407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:09:45,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3095 Valid, 4001 Invalid, 3248 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [841 Valid, 2407 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-12 02:09:45,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5757 states. [2023-11-12 02:09:45,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5757 to 5598. [2023-11-12 02:09:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5598 states, 4168 states have (on average 1.3505278310940498) internal successors, (5629), 4224 states have internal predecessors, (5629), 1159 states have call successors, (1159), 269 states have call predecessors, (1159), 270 states have return successors, (1169), 1146 states have call predecessors, (1169), 1159 states have call successors, (1169) [2023-11-12 02:09:45,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5598 states to 5598 states and 7957 transitions. [2023-11-12 02:09:45,472 INFO L78 Accepts]: Start accepts. Automaton has 5598 states and 7957 transitions. Word has length 178 [2023-11-12 02:09:45,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:09:45,474 INFO L495 AbstractCegarLoop]: Abstraction has 5598 states and 7957 transitions. [2023-11-12 02:09:45,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-12 02:09:45,475 INFO L276 IsEmpty]: Start isEmpty. Operand 5598 states and 7957 transitions. [2023-11-12 02:09:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-12 02:09:45,483 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:45,483 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:45,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:09:45,483 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:09:45,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:45,485 INFO L85 PathProgramCache]: Analyzing trace with hash 61988416, now seen corresponding path program 1 times [2023-11-12 02:09:45,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:45,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410935787] [2023-11-12 02:09:45,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:45,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:09:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:09:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:09:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:09:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:09:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:09:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:09:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:45,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:09:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:09:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:09:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-12 02:09:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-12 02:09:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-12 02:09:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:09:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-12 02:09:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-12 02:09:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-12 02:09:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-12 02:09:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-12 02:09:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-12 02:09:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2023-11-12 02:09:46,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:46,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410935787] [2023-11-12 02:09:46,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410935787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:46,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:46,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:09:46,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072378919] [2023-11-12 02:09:46,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:46,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:09:46,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:46,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:09:46,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:09:46,140 INFO L87 Difference]: Start difference. First operand 5598 states and 7957 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 4 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-12 02:09:54,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:54,151 INFO L93 Difference]: Finished difference Result 17032 states and 24258 transitions. [2023-11-12 02:09:54,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:09:54,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 4 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 193 [2023-11-12 02:09:54,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:09:54,238 INFO L225 Difference]: With dead ends: 17032 [2023-11-12 02:09:54,238 INFO L226 Difference]: Without dead ends: 11457 [2023-11-12 02:09:54,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:09:54,260 INFO L413 NwaCegarLoop]: 1356 mSDtfsCounter, 5252 mSDsluCounter, 2847 mSDsCounter, 0 mSdLazyCounter, 3520 mSolverCounterSat, 2365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5504 SdHoareTripleChecker+Valid, 4203 SdHoareTripleChecker+Invalid, 5885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2365 IncrementalHoareTripleChecker+Valid, 3520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:09:54,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5504 Valid, 4203 Invalid, 5885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2365 Valid, 3520 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-11-12 02:09:54,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11457 states. [2023-11-12 02:09:54,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11457 to 11133. [2023-11-12 02:09:54,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11133 states, 8287 states have (on average 1.351152407385061) internal successors, (11197), 8405 states have internal predecessors, (11197), 2305 states have call successors, (2305), 538 states have call predecessors, (2305), 540 states have return successors, (2325), 2273 states have call predecessors, (2325), 2305 states have call successors, (2325) [2023-11-12 02:09:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11133 states to 11133 states and 15827 transitions. [2023-11-12 02:09:54,911 INFO L78 Accepts]: Start accepts. Automaton has 11133 states and 15827 transitions. Word has length 193 [2023-11-12 02:09:54,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:09:54,913 INFO L495 AbstractCegarLoop]: Abstraction has 11133 states and 15827 transitions. [2023-11-12 02:09:54,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 4 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-12 02:09:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 11133 states and 15827 transitions. [2023-11-12 02:09:54,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-12 02:09:54,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:09:54,926 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2023-11-12 02:09:54,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:09:54,927 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:09:54,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:54,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1146858898, now seen corresponding path program 1 times [2023-11-12 02:09:54,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:54,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200136738] [2023-11-12 02:09:54,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:54,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:09:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:09:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:09:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:09:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:09:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:09:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:09:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:09:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:09:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:09:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:09:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-12 02:09:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-12 02:09:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:09:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-12 02:09:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-12 02:09:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-12 02:09:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-12 02:09:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-12 02:09:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-12 02:09:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-12 02:09:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-12 02:09:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:55,559 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2023-11-12 02:09:55,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:55,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200136738] [2023-11-12 02:09:55,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200136738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:55,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:55,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:09:55,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138262602] [2023-11-12 02:09:55,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:55,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:09:55,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:55,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:09:55,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:09:55,563 INFO L87 Difference]: Start difference. First operand 11133 states and 15827 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22)