./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB --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 4e65f97013924553b8ef825dcedf9cf23fb63bd29a8078af3e935196717fa388 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:03:19,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:03:19,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 05:03:19,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:03:19,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:03:19,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:03:19,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:03:19,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:03:19,969 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:03:19,969 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:03:19,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:03:19,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:03:19,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:03:19,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:03:19,970 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:03:19,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:03:19,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:03:19,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:03:19,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:03:19,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:03:19,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:03:19,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:03:19,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:03:19,971 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:03:19,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:03:19,973 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:03:19,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:03:19,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:03:19,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:03:19,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:03:19,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:03:19,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:03:19,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:03:19,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:03:19,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:03:19,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:03:19,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:03:19,974 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:03:19,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:03:19,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:03:19,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:03:19,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:03:19,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:03:19,975 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:03:19,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:03:19,975 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 4e65f97013924553b8ef825dcedf9cf23fb63bd29a8078af3e935196717fa388 [2024-11-28 05:03:20,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:03:20,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:03:20,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:03:20,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:03:20,317 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:03:20,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2024-11-28 05:03:23,183 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/data/2468ddf2f/040c21e15d1f430e9ed75d8d62bf4276/FLAG06a2b4116 [2024-11-28 05:03:23,949 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:03:23,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2024-11-28 05:03:24,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/data/2468ddf2f/040c21e15d1f430e9ed75d8d62bf4276/FLAG06a2b4116 [2024-11-28 05:03:24,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/data/2468ddf2f/040c21e15d1f430e9ed75d8d62bf4276 [2024-11-28 05:03:24,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:03:24,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:03:24,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:03:24,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:03:24,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:03:24,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:24" (1/1) ... [2024-11-28 05:03:24,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b524dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:24, skipping insertion in model container [2024-11-28 05:03:24,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:24" (1/1) ... [2024-11-28 05:03:24,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:03:25,803 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i[185756,185769] [2024-11-28 05:03:25,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:03:25,912 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:03:25,995 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [2235-2236] [2024-11-28 05:03:26,001 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [2246-2247] [2024-11-28 05:03:26,001 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2250-2251] [2024-11-28 05:03:26,001 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2254-2255] [2024-11-28 05:03:26,001 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2258-2259] [2024-11-28 05:03:26,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3367] [2024-11-28 05:03:26,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4766] [2024-11-28 05:03:26,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4769] [2024-11-28 05:03:26,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4772] [2024-11-28 05:03:26,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4775] [2024-11-28 05:03:26,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4778] [2024-11-28 05:03:26,303 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i[185756,185769] [2024-11-28 05:03:26,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:03:26,501 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:03:26,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26 WrapperNode [2024-11-28 05:03:26,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:03:26,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:03:26,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:03:26,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:03:26,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (1/1) ... [2024-11-28 05:03:26,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (1/1) ... [2024-11-28 05:03:26,911 INFO L138 Inliner]: procedures = 286, calls = 2243, calls flagged for inlining = 113, calls inlined = 108, statements flattened = 6078 [2024-11-28 05:03:26,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:03:26,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:03:26,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:03:26,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:03:26,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (1/1) ... [2024-11-28 05:03:26,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (1/1) ... [2024-11-28 05:03:26,979 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (1/1) ... [2024-11-28 05:03:27,879 INFO L175 MemorySlicer]: Split 1068 memory accesses to 20 slices as follows [2, 17, 1, 3, 7, 1, 2, 42, 24, 32, 7, 13, 4, 12, 2, 5, 14, 10, 2, 868]. 81 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 0, 0]. The 496 writes are split as follows [0, 3, 0, 0, 0, 0, 1, 42, 21, 29, 6, 3, 3, 0, 1, 2, 1, 0, 1, 383]. [2024-11-28 05:03:27,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (1/1) ... [2024-11-28 05:03:27,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (1/1) ... [2024-11-28 05:03:28,082 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (1/1) ... [2024-11-28 05:03:28,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (1/1) ... [2024-11-28 05:03:28,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (1/1) ... [2024-11-28 05:03:28,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (1/1) ... [2024-11-28 05:03:28,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (1/1) ... [2024-11-28 05:03:28,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:03:28,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:03:28,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:03:28,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:03:28,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (1/1) ... [2024-11-28 05:03:28,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:03:28,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:03:28,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:03:28,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:03:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_perm_bits [2024-11-28 05:03:28,340 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_perm_bits [2024-11-28 05:03:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_disable [2024-11-28 05:03:28,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_disable [2024-11-28 05:03:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_find_cap_start [2024-11-28 05:03:28,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_find_cap_start [2024-11-28 05:03:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask_handler [2024-11-28 05:03:28,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask_handler [2024-11-28 05:03:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 05:03:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 05:03:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 05:03:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 05:03:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 05:03:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 05:03:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 05:03:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 05:03:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 05:03:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 05:03:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 05:03:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 05:03:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 05:03:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 05:03:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 05:03:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 05:03:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 05:03:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 05:03:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 05:03:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-28 05:03:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_intx [2024-11-28 05:03:28,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_intx [2024-11-28 05:03:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 05:03:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 05:03:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 05:03:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 05:03:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 05:03:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 05:03:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 05:03:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 05:03:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 05:03:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 05:03:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 05:03:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 05:03:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 05:03:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 05:03:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 05:03:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 05:03:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 05:03:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 05:03:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 05:03:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 05:03:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure free_perm_bits [2024-11-28 05:03:28,346 INFO L138 BoogieDeclarations]: Found implementation of procedure free_perm_bits [2024-11-28 05:03:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure p_setb [2024-11-28 05:03:28,346 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setb [2024-11-28 05:03:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_ioctl [2024-11-28 05:03:28,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_ioctl [2024-11-28 05:03:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2024-11-28 05:03:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2024-11-28 05:03:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_disable [2024-11-28 05:03:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_disable [2024-11-28 05:03:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 05:03:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 05:03:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_read_config_word [2024-11-28 05:03:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_read_config_word [2024-11-28 05:03:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2024-11-28 05:03:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2024-11-28 05:03:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure p_setd [2024-11-28 05:03:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setd [2024-11-28 05:03:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2024-11-28 05:03:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2024-11-28 05:03:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 05:03:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 05:03:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure p_setw [2024-11-28 05:03:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure p_setw [2024-11-28 05:03:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 05:03:28,347 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 05:03:28,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-28 05:03:28,348 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-28 05:03:28,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-28 05:03:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-28 05:03:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-28 05:03:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-28 05:03:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-28 05:03:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-28 05:03:28,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-28 05:03:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 05:03:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 05:03:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 05:03:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 05:03:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 05:03:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 05:03:28,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 05:03:28,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 05:03:28,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 05:03:28,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-28 05:03:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-28 05:03:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-28 05:03:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-28 05:03:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-28 05:03:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-28 05:03:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-28 05:03:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-28 05:03:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-28 05:03:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-28 05:03:28,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-28 05:03:28,354 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-28 05:03:28,354 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-28 05:03:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_reset_function [2024-11-28 05:03:28,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_reset_function [2024-11-28 05:03:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-28 05:03:28,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-28 05:03:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure pcibios_err_to_errno [2024-11-28 05:03:28,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pcibios_err_to_errno [2024-11-28 05:03:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-28 05:03:28,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-28 05:03:28,355 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-28 05:03:28,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-28 05:03:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_probe [2024-11-28 05:03:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_probe [2024-11-28 05:03:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-28 05:03:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-28 05:03:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_unmask [2024-11-28 05:03:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_unmask [2024-11-28 05:03:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure virqfd_deactivate [2024-11-28 05:03:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure virqfd_deactivate [2024-11-28 05:03:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:03:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-28 05:03:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-28 05:03:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure kasprintf [2024-11-28 05:03:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure kasprintf [2024-11-28 05:03:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-11-28 05:03:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-11-28 05:03:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 05:03:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 05:03:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 05:03:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 05:03:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 05:03:28,361 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_nosync [2024-11-28 05:03:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_nosync [2024-11-28 05:03:28,361 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-28 05:03:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-28 05:03:28,361 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_intx_mask [2024-11-28 05:03:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_intx_mask [2024-11-28 05:03:28,361 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 05:03:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 05:03:28,361 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fill_vconfig_bytes [2024-11-28 05:03:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fill_vconfig_bytes [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_intx_set_signal [2024-11-28 05:03:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_intx_set_signal [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 05:03:28,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-28 05:03:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2024-11-28 05:03:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 05:03:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_write [2024-11-28 05:03:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_write [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 05:03:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-28 05:03:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2024-11-28 05:03:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-28 05:03:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-28 05:03:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2024-11-28 05:03:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 05:03:28,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 05:03:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 05:03:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 05:03:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 05:03:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-28 05:03:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-28 05:03:28,368 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-28 05:03:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2024-11-28 05:03:28,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2024-11-28 05:03:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2024-11-28 05:03:28,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2024-11-28 05:03:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2024-11-28 05:03:28,368 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2024-11-28 05:03:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 05:03:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 05:03:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 05:03:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 05:03:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 05:03:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 05:03:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 05:03:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 05:03:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 05:03:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 05:03:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 05:03:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 05:03:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 05:03:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 05:03:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 05:03:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 05:03:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 05:03:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 05:03:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_word [2024-11-28 05:03:28,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_word [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_selected_regions [2024-11-28 05:03:28,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_selected_regions [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 05:03:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 05:03:28,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 05:03:28,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-28 05:03:28,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-28 05:03:28,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-28 05:03:28,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-28 05:03:28,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-28 05:03:28,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-28 05:03:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 05:03:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 05:03:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 05:03:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 05:03:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 05:03:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 05:03:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 05:03:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 05:03:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 05:03:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 05:03:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 05:03:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 05:03:28,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 05:03:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 05:03:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-28 05:03:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-28 05:03:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-28 05:03:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-28 05:03:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-28 05:03:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-28 05:03:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fdget [2024-11-28 05:03:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fdget [2024-11-28 05:03:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mem_readwrite [2024-11-28 05:03:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mem_readwrite [2024-11-28 05:03:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 05:03:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 05:03:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2024-11-28 05:03:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2024-11-28 05:03:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_uninit_perm_bits [2024-11-28 05:03:28,376 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_uninit_perm_bits [2024-11-28 05:03:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:03:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:03:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 05:03:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 05:03:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 05:03:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 05:03:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 05:03:28,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-28 05:03:28,377 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2024-11-28 05:03:28,377 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-28 05:03:28,377 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-28 05:03:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 05:03:28,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 05:03:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_write [2024-11-28 05:03:28,378 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_write [2024-11-28 05:03:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_send_intx_eventfd [2024-11-28 05:03:28,378 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_send_intx_eventfd [2024-11-28 05:03:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 05:03:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_block [2024-11-28 05:03:28,378 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_block [2024-11-28 05:03:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_user_config_read [2024-11-28 05:03:28,378 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_user_config_read [2024-11-28 05:03:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_default_config_read [2024-11-28 05:03:28,378 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_default_config_read [2024-11-28 05:03:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-28 05:03:28,378 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-28 05:03:28,378 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_virqfd_exit [2024-11-28 05:03:28,383 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_virqfd_exit [2024-11-28 05:03:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:03:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_user_write_config_dword [2024-11-28 05:03:28,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_user_write_config_dword [2024-11-28 05:03:28,385 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2024-11-28 05:03:28,385 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2024-11-28 05:03:28,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2024-11-28 05:03:28,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-11-28 05:03:28,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-11-28 05:03:28,388 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-28 05:03:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-28 05:03:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_get_irq_count [2024-11-28 05:03:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_get_irq_count [2024-11-28 05:03:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-28 05:03:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-28 05:03:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_set_irqs_ioctl [2024-11-28 05:03:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_set_irqs_ioctl [2024-11-28 05:03:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-28 05:03:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-28 05:03:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_config_do_rw [2024-11-28 05:03:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_config_do_rw [2024-11-28 05:03:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_disable [2024-11-28 05:03:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_disable [2024-11-28 05:03:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-28 05:03:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-28 05:03:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_mmap [2024-11-28 05:03:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_mmap [2024-11-28 05:03:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-28 05:03:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-28 05:03:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 05:03:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 05:03:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_msi_set_vector_signal [2024-11-28 05:03:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_msi_set_vector_signal [2024-11-28 05:03:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2024-11-28 05:03:28,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2024-11-28 05:03:28,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 05:03:28,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-28 05:03:28,390 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_io_readwrite [2024-11-28 05:03:28,390 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_io_readwrite [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 05:03:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 05:03:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 05:03:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 05:03:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 05:03:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 05:03:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 05:03:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 05:03:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 05:03:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 05:03:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_load_and_free_saved_state [2024-11-28 05:03:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_load_and_free_saved_state [2024-11-28 05:03:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_pci_config_readwrite [2024-11-28 05:03:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_pci_config_readwrite [2024-11-28 05:03:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:03:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:03:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-28 05:03:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-28 05:03:29,593 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:03:29,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:03:31,177 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-28 05:03:31,604 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-1: assume #t~short198#1;havoc #t~mem192#1;havoc #t~mem193#1;havoc #t~mem194#1;havoc #t~mem196#1;havoc #t~mem195#1;havoc #t~mem197#1;havoc #t~short198#1;call #t~mem199#1 := read~int#19(~#info___0~0#1.base, 8 + ~#info___0~0#1.offset, 4);call #t~mem201#1 := read~int#19(~pdev~2#1.base, 8 + (1242 + ~pdev~2#1.offset + 56 * (if #t~mem199#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then #t~mem199#1 % 4294967296 % 18446744073709551616 else #t~mem199#1 % 4294967296 % 18446744073709551616 - 18446744073709551616)), 8);call #t~mem200#1 := read~int#19(~#info___0~0#1.base, 8 + ~#info___0~0#1.offset, 4);call #t~mem202#1 := read~int#19(~pdev~2#1.base, 1242 + ~pdev~2#1.offset + 56 * (if #t~mem200#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then #t~mem200#1 % 4294967296 % 18446744073709551616 else #t~mem200#1 % 4294967296 % 18446744073709551616 - 18446744073709551616), 8);call write~int#19(1 + (#t~mem201#1 - #t~mem202#1), ~#info___0~0#1.base, 16 + ~#info___0~0#1.offset, 8);havoc #t~mem199#1;havoc #t~mem201#1;havoc #t~mem200#1;havoc #t~mem202#1; [2024-11-28 05:03:31,605 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-1: assume !#t~short198#1;havoc #t~mem192#1;havoc #t~mem193#1;havoc #t~mem194#1;havoc #t~mem196#1;havoc #t~mem195#1;havoc #t~mem197#1;havoc #t~short198#1;call write~int#19(0, ~#info___0~0#1.base, 16 + ~#info___0~0#1.offset, 8); [2024-11-28 05:03:31,605 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-4: assume 0 == #t~mem203#1 % 18446744073709551616;havoc #t~mem203#1;call write~int#19(0, ~#info___0~0#1.base, 4 + ~#info___0~0#1.offset, 4); [2024-11-28 05:03:31,605 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-4: assume !(0 == #t~mem203#1 % 18446744073709551616);havoc #t~mem203#1;call write~int#19(3, ~#info___0~0#1.base, 4 + ~#info___0~0#1.offset, 4);call #t~mem204#1 := read~int#19(~#info___0~0#1.base, 8 + ~#info___0~0#1.offset, 4);call #t~mem205#1 := read~int#19(~pdev~2#1.base, 24 + (1242 + ~pdev~2#1.offset + 56 * (if #t~mem204#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then #t~mem204#1 % 4294967296 % 18446744073709551616 else #t~mem204#1 % 4294967296 % 18446744073709551616 - 18446744073709551616)), 8); [2024-11-28 05:03:31,605 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-3: call #t~mem203#1 := read~int#19(~#info___0~0#1.base, 16 + ~#info___0~0#1.offset, 8); [2024-11-28 05:03:31,605 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-5: assume 0 == #t~mem205#1 % 18446744073709551616;#t~bitwise206#1 := 0; [2024-11-28 05:03:31,605 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-5: assume !(0 == #t~mem205#1 % 18446744073709551616); [2024-11-28 05:03:31,605 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-7: assume 512 == #t~mem205#1 % 18446744073709551616;#t~bitwise206#1 := #t~mem205#1; [2024-11-28 05:03:31,606 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-7: assume !(512 == #t~mem205#1 % 18446744073709551616); [2024-11-28 05:03:31,606 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-9: assume #t~short208#1;call #t~mem207#1 := read~int#19(~#info___0~0#1.base, 16 + ~#info___0~0#1.offset, 8);#t~short208#1 := #t~mem207#1 % 18446744073709551616 > 4095; [2024-11-28 05:03:31,606 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-9: assume !#t~short208#1; [2024-11-28 05:03:31,606 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-12: assume 0 == #t~mem209#1 % 4294967296 || 4 == #t~mem209#1 % 4294967296;#t~bitwise210#1 := 4; [2024-11-28 05:03:31,606 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-12: assume !(0 == #t~mem209#1 % 4294967296 || 4 == #t~mem209#1 % 4294967296); [2024-11-28 05:03:31,606 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-11: assume #t~short208#1;havoc #t~mem204#1;havoc #t~mem205#1;havoc #t~bitwise206#1;havoc #t~mem207#1;havoc #t~short208#1;call #t~mem209#1 := read~int#19(~#info___0~0#1.base, 4 + ~#info___0~0#1.offset, 4); [2024-11-28 05:03:31,606 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-11: assume !#t~short208#1;havoc #t~mem204#1;havoc #t~mem205#1;havoc #t~bitwise206#1;havoc #t~mem207#1;havoc #t~short208#1; [2024-11-28 05:03:31,606 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-14: assume false;#t~bitwise210#1 := #t~mem209#1; [2024-11-28 05:03:31,606 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2748-14: assume !false; [2024-11-28 05:03:31,606 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2765-1: #t~short208#1 := 0 != #t~bitwise206#1 % 18446744073709551616; [2024-11-28 05:03:31,607 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2765: havoc #t~bitwise206#1;assume #t~bitwise206#1 % 18446744073709551616 <= #t~mem205#1 % 18446744073709551616 && #t~bitwise206#1 % 18446744073709551616 <= 512; [2024-11-28 05:03:31,610 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2766: havoc #t~bitwise210#1;assume (#t~bitwise210#1 % 4294967296 >= #t~mem209#1 % 4294967296 && #t~bitwise210#1 % 4294967296 >= 4) && #t~bitwise210#1 % 4294967296 <= 4 + #t~mem209#1 % 4294967296; [2024-11-28 05:03:31,610 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint L2766-1: call write~int#19(#t~bitwise210#1, ~#info___0~0#1.base, 4 + ~#info___0~0#1.offset, 4);havoc #t~mem209#1;havoc #t~bitwise210#1; [2024-11-28 05:03:31,610 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume #t~short198#1; [2024-11-28 05:03:31,611 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !#t~short198#1;call #t~mem194#1 := read~int#19(~#info___0~0#1.base, 8 + ~#info___0~0#1.offset, 4);call #t~mem196#1 := read~int#19(~pdev~2#1.base, 8 + (1242 + ~pdev~2#1.offset + 56 * (if #t~mem194#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then #t~mem194#1 % 4294967296 % 18446744073709551616 else #t~mem194#1 % 4294967296 % 18446744073709551616 - 18446744073709551616)), 8);call #t~mem195#1 := read~int#19(~#info___0~0#1.base, 8 + ~#info___0~0#1.offset, 4);call #t~mem197#1 := read~int#19(~pdev~2#1.base, 1242 + ~pdev~2#1.offset + 56 * (if #t~mem195#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then #t~mem195#1 % 4294967296 % 18446744073709551616 else #t~mem195#1 % 4294967296 % 18446744073709551616 - 18446744073709551616), 8);#t~short198#1 := #t~mem196#1 % 18446744073709551616 != #t~mem197#1 % 18446744073709551616; [2024-11-28 05:03:43,956 INFO L? ?]: Removed 2919 outVars from TransFormulas that were not future-live. [2024-11-28 05:03:43,956 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:03:44,006 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:03:44,007 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:03:44,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:44 BoogieIcfgContainer [2024-11-28 05:03:44,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:03:44,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:03:44,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:03:44,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:03:44,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:03:24" (1/3) ... [2024-11-28 05:03:44,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4603c2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:03:44, skipping insertion in model container [2024-11-28 05:03:44,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:26" (2/3) ... [2024-11-28 05:03:44,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4603c2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:03:44, skipping insertion in model container [2024-11-28 05:03:44,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:44" (3/3) ... [2024-11-28 05:03:44,017 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i [2024-11-28 05:03:44,033 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:03:44,035 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--vfio--pci--vfio-pci.ko-main.cil.out.i that has 136 procedures, 2356 locations, 1 initial locations, 60 loop locations, and 1 error locations. [2024-11-28 05:03:44,165 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:03:44,177 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@640de8a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:03:44,178 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:03:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 2185 states, 1653 states have (on average 1.4295220810647309) internal successors, (2363), 1686 states have internal predecessors, (2363), 433 states have call successors, (433), 97 states have call predecessors, (433), 97 states have return successors, (433), 428 states have call predecessors, (433), 433 states have call successors, (433) [2024-11-28 05:03:44,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-28 05:03:44,217 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:03:44,218 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:03:44,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:03:44,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:03:44,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1501762483, now seen corresponding path program 1 times [2024-11-28 05:03:44,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:03:44,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876456971] [2024-11-28 05:03:44,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:03:44,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:03:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:03:59,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:03:59,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876456971] [2024-11-28 05:03:59,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876456971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:03:59,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:03:59,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:03:59,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292622110] [2024-11-28 05:03:59,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:03:59,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:03:59,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:59,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:03:59,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:03:59,774 INFO L87 Difference]: Start difference. First operand has 2185 states, 1653 states have (on average 1.4295220810647309) internal successors, (2363), 1686 states have internal predecessors, (2363), 433 states have call successors, (433), 97 states have call predecessors, (433), 97 states have return successors, (433), 428 states have call predecessors, (433), 433 states have call successors, (433) Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 05:04:00,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:04:00,484 INFO L93 Difference]: Finished difference Result 4632 states and 6930 transitions. [2024-11-28 05:04:00,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:04:00,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2024-11-28 05:04:00,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:04:00,530 INFO L225 Difference]: With dead ends: 4632 [2024-11-28 05:04:00,530 INFO L226 Difference]: Without dead ends: 2442 [2024-11-28 05:04:00,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:04:00,552 INFO L435 NwaCegarLoop]: 3213 mSDtfsCounter, 376 mSDsluCounter, 3182 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 6395 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:04:00,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 6395 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:04:00,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2442 states. [2024-11-28 05:04:00,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2442 to 2432. [2024-11-28 05:04:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2432 states, 1814 states have (on average 1.4145534729878722) internal successors, (2566), 1850 states have internal predecessors, (2566), 506 states have call successors, (506), 112 states have call predecessors, (506), 111 states have return successors, (501), 495 states have call predecessors, (501), 501 states have call successors, (501) [2024-11-28 05:04:00,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2432 states and 3573 transitions. [2024-11-28 05:04:00,815 INFO L78 Accepts]: Start accepts. Automaton has 2432 states and 3573 transitions. Word has length 50 [2024-11-28 05:04:00,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:04:00,815 INFO L471 AbstractCegarLoop]: Abstraction has 2432 states and 3573 transitions. [2024-11-28 05:04:00,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 05:04:00,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 3573 transitions. [2024-11-28 05:04:00,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 05:04:00,822 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:04:00,822 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:04:00,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:04:00,823 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:04:00,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:00,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1055847545, now seen corresponding path program 1 times [2024-11-28 05:04:00,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:04:00,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563167045] [2024-11-28 05:04:00,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:00,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:14,562 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 05:04:14,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:04:14,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563167045] [2024-11-28 05:04:14,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563167045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:04:14,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:04:14,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:04:14,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354436326] [2024-11-28 05:04:14,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:04:14,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:04:14,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:04:14,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:04:14,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:04:14,566 INFO L87 Difference]: Start difference. First operand 2432 states and 3573 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 05:04:18,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:04:19,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:04:19,362 INFO L93 Difference]: Finished difference Result 7025 states and 10298 transitions. [2024-11-28 05:04:19,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:04:19,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 121 [2024-11-28 05:04:19,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:04:19,396 INFO L225 Difference]: With dead ends: 7025 [2024-11-28 05:04:19,396 INFO L226 Difference]: Without dead ends: 4596 [2024-11-28 05:04:19,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:04:19,410 INFO L435 NwaCegarLoop]: 6054 mSDtfsCounter, 3180 mSDsluCounter, 3012 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3180 SdHoareTripleChecker+Valid, 9066 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:04:19,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3180 Valid, 9066 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-28 05:04:19,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4596 states. [2024-11-28 05:04:19,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4596 to 4592. [2024-11-28 05:04:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4592 states, 3465 states have (on average 1.4164502164502164) internal successors, (4908), 3528 states have internal predecessors, (4908), 908 states have call successors, (908), 219 states have call predecessors, (908), 218 states have return successors, (903), 892 states have call predecessors, (903), 903 states have call successors, (903) [2024-11-28 05:04:19,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4592 states to 4592 states and 6719 transitions. [2024-11-28 05:04:19,647 INFO L78 Accepts]: Start accepts. Automaton has 4592 states and 6719 transitions. Word has length 121 [2024-11-28 05:04:19,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:04:19,648 INFO L471 AbstractCegarLoop]: Abstraction has 4592 states and 6719 transitions. [2024-11-28 05:04:19,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 05:04:19,648 INFO L276 IsEmpty]: Start isEmpty. Operand 4592 states and 6719 transitions. [2024-11-28 05:04:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-11-28 05:04:19,659 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:04:19,659 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:04:19,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:04:19,660 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:04:19,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:19,663 INFO L85 PathProgramCache]: Analyzing trace with hash 476710916, now seen corresponding path program 1 times [2024-11-28 05:04:19,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:04:19,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076805734] [2024-11-28 05:04:19,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:19,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1627 trivial. 0 not checked. [2024-11-28 05:04:33,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:04:33,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076805734] [2024-11-28 05:04:33,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076805734] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:04:33,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355513451] [2024-11-28 05:04:33,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:33,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:04:33,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:33,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:04:33,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:04:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:48,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 4801 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:04:48,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:04:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2024-11-28 05:04:48,142 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:04:48,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355513451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:04:48,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:04:48,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-11-28 05:04:48,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448693205] [2024-11-28 05:04:48,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:04:48,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:04:48,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:04:48,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:04:48,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:04:48,146 INFO L87 Difference]: Start difference. First operand 4592 states and 6719 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 05:04:48,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:04:48,375 INFO L93 Difference]: Finished difference Result 9184 states and 13457 transitions. [2024-11-28 05:04:48,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:04:48,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 348 [2024-11-28 05:04:48,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:04:48,407 INFO L225 Difference]: With dead ends: 9184 [2024-11-28 05:04:48,407 INFO L226 Difference]: Without dead ends: 4595 [2024-11-28 05:04:48,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:04:48,427 INFO L435 NwaCegarLoop]: 3207 mSDtfsCounter, 0 mSDsluCounter, 3203 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6410 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:04:48,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6410 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:04:48,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4595 states. [2024-11-28 05:04:48,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4595 to 4595. [2024-11-28 05:04:48,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4595 states, 3468 states have (on average 1.416089965397924) internal successors, (4911), 3531 states have internal predecessors, (4911), 908 states have call successors, (908), 219 states have call predecessors, (908), 218 states have return successors, (903), 892 states have call predecessors, (903), 903 states have call successors, (903) [2024-11-28 05:04:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4595 states to 4595 states and 6722 transitions. [2024-11-28 05:04:48,627 INFO L78 Accepts]: Start accepts. Automaton has 4595 states and 6722 transitions. Word has length 348 [2024-11-28 05:04:48,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:04:48,629 INFO L471 AbstractCegarLoop]: Abstraction has 4595 states and 6722 transitions. [2024-11-28 05:04:48,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 05:04:48,630 INFO L276 IsEmpty]: Start isEmpty. Operand 4595 states and 6722 transitions. [2024-11-28 05:04:48,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-11-28 05:04:48,639 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:04:48,639 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:04:48,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 05:04:48,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:04:48,840 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:04:48,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:48,841 INFO L85 PathProgramCache]: Analyzing trace with hash -2068695166, now seen corresponding path program 1 times [2024-11-28 05:04:48,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:04:48,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123978575] [2024-11-28 05:04:48,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:48,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:03,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-28 05:05:03,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:03,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123978575] [2024-11-28 05:05:03,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123978575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:05:03,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431149070] [2024-11-28 05:05:03,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:03,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:03,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:03,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:03,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:05:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:19,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 4836 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:05:19,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2024-11-28 05:05:19,362 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:19,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431149070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:19,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:05:19,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 05:05:19,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246532824] [2024-11-28 05:05:19,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:19,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:05:19,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:19,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:05:19,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:05:19,365 INFO L87 Difference]: Start difference. First operand 4595 states and 6722 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 05:05:19,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:19,598 INFO L93 Difference]: Finished difference Result 4613 states and 6742 transitions. [2024-11-28 05:05:19,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:05:19,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 348 [2024-11-28 05:05:19,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:19,628 INFO L225 Difference]: With dead ends: 4613 [2024-11-28 05:05:19,629 INFO L226 Difference]: Without dead ends: 4604 [2024-11-28 05:05:19,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:05:19,634 INFO L435 NwaCegarLoop]: 3217 mSDtfsCounter, 3203 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3203 SdHoareTripleChecker+Valid, 3227 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:19,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3203 Valid, 3227 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:05:19,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4604 states. [2024-11-28 05:05:19,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4604 to 4595. [2024-11-28 05:05:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4595 states, 3468 states have (on average 1.4158016147635524) internal successors, (4910), 3531 states have internal predecessors, (4910), 908 states have call successors, (908), 219 states have call predecessors, (908), 218 states have return successors, (903), 892 states have call predecessors, (903), 903 states have call successors, (903) [2024-11-28 05:05:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4595 states to 4595 states and 6721 transitions. [2024-11-28 05:05:19,850 INFO L78 Accepts]: Start accepts. Automaton has 4595 states and 6721 transitions. Word has length 348 [2024-11-28 05:05:19,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:19,852 INFO L471 AbstractCegarLoop]: Abstraction has 4595 states and 6721 transitions. [2024-11-28 05:05:19,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 05:05:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 4595 states and 6721 transitions. [2024-11-28 05:05:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-11-28 05:05:19,861 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:19,862 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:05:19,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:05:20,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:20,063 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:05:20,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:20,063 INFO L85 PathProgramCache]: Analyzing trace with hash -2011436864, now seen corresponding path program 1 times [2024-11-28 05:05:20,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:20,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854746271] [2024-11-28 05:05:20,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:20,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:34,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-28 05:05:34,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:34,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854746271] [2024-11-28 05:05:34,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854746271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:05:34,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734160218] [2024-11-28 05:05:34,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:34,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:34,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:34,332 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:34,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:05:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:51,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 4829 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:05:52,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:05:57,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2024-11-28 05:05:57,407 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:05:57,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734160218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:57,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:05:57,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 05:05:57,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77922246] [2024-11-28 05:05:57,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:57,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:05:57,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:57,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:05:57,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:05:57,409 INFO L87 Difference]: Start difference. First operand 4595 states and 6721 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 05:06:01,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:02,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:02,045 INFO L93 Difference]: Finished difference Result 5891 states and 8523 transitions. [2024-11-28 05:06:02,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:06:02,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 348 [2024-11-28 05:06:02,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:02,082 INFO L225 Difference]: With dead ends: 5891 [2024-11-28 05:06:02,082 INFO L226 Difference]: Without dead ends: 5887 [2024-11-28 05:06:02,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:06:02,087 INFO L435 NwaCegarLoop]: 3204 mSDtfsCounter, 3100 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3100 SdHoareTripleChecker+Valid, 4115 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:02,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3100 Valid, 4115 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-28 05:06:02,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5887 states. [2024-11-28 05:06:02,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5887 to 5885. [2024-11-28 05:06:02,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5885 states, 4414 states have (on average 1.4034888989578613) internal successors, (6195), 4505 states have internal predecessors, (6195), 1162 states have call successors, (1162), 309 states have call predecessors, (1162), 308 states have return successors, (1159), 1142 states have call predecessors, (1159), 1159 states have call successors, (1159) [2024-11-28 05:06:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5885 states to 5885 states and 8516 transitions. [2024-11-28 05:06:02,367 INFO L78 Accepts]: Start accepts. Automaton has 5885 states and 8516 transitions. Word has length 348 [2024-11-28 05:06:02,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:02,368 INFO L471 AbstractCegarLoop]: Abstraction has 5885 states and 8516 transitions. [2024-11-28 05:06:02,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 05:06:02,369 INFO L276 IsEmpty]: Start isEmpty. Operand 5885 states and 8516 transitions. [2024-11-28 05:06:02,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-28 05:06:02,376 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:02,377 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:02,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 05:06:02,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:02,577 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:06:02,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:02,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2069251489, now seen corresponding path program 1 times [2024-11-28 05:06:02,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:02,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570531595] [2024-11-28 05:06:02,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:02,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-28 05:06:17,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:17,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570531595] [2024-11-28 05:06:17,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570531595] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:06:17,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543298040] [2024-11-28 05:06:17,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:17,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:17,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:17,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:17,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:06:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:32,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 4831 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:06:32,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:06:37,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2024-11-28 05:06:37,793 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:06:37,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543298040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:37,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:06:37,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 05:06:37,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379683903] [2024-11-28 05:06:37,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:37,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:06:37,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:37,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:06:37,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:06:37,795 INFO L87 Difference]: Start difference. First operand 5885 states and 8516 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 05:06:41,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:42,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:06:42,491 INFO L93 Difference]: Finished difference Result 5887 states and 8517 transitions. [2024-11-28 05:06:42,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:06:42,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 349 [2024-11-28 05:06:42,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:06:42,531 INFO L225 Difference]: With dead ends: 5887 [2024-11-28 05:06:42,532 INFO L226 Difference]: Without dead ends: 5884 [2024-11-28 05:06:42,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:06:42,540 INFO L435 NwaCegarLoop]: 3201 mSDtfsCounter, 3111 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3111 SdHoareTripleChecker+Valid, 3201 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:06:42,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3111 Valid, 3201 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-28 05:06:42,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5884 states. [2024-11-28 05:06:42,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5884 to 5884. [2024-11-28 05:06:42,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5884 states, 4414 states have (on average 1.4032623470774808) internal successors, (6194), 4504 states have internal predecessors, (6194), 1161 states have call successors, (1161), 309 states have call predecessors, (1161), 308 states have return successors, (1159), 1142 states have call predecessors, (1159), 1159 states have call successors, (1159) [2024-11-28 05:06:42,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5884 states to 5884 states and 8514 transitions. [2024-11-28 05:06:42,832 INFO L78 Accepts]: Start accepts. Automaton has 5884 states and 8514 transitions. Word has length 349 [2024-11-28 05:06:42,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:06:42,833 INFO L471 AbstractCegarLoop]: Abstraction has 5884 states and 8514 transitions. [2024-11-28 05:06:42,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 05:06:42,836 INFO L276 IsEmpty]: Start isEmpty. Operand 5884 states and 8514 transitions. [2024-11-28 05:06:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-28 05:06:42,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:06:42,842 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:06:42,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 05:06:43,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:43,043 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:06:43,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:43,044 INFO L85 PathProgramCache]: Analyzing trace with hash -278423581, now seen corresponding path program 1 times [2024-11-28 05:06:43,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:43,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801676361] [2024-11-28 05:06:43,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:43,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-28 05:06:57,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:57,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801676361] [2024-11-28 05:06:57,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801676361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:06:57,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192312814] [2024-11-28 05:06:57,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:57,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:06:57,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:06:57,789 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:06:57,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 05:07:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:13,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 4833 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:07:13,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:19,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2024-11-28 05:07:19,752 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:19,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192312814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:19,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:07:19,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 05:07:19,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393468707] [2024-11-28 05:07:19,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:19,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:19,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:19,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:19,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:07:19,755 INFO L87 Difference]: Start difference. First operand 5884 states and 8514 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 05:07:23,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:07:23,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:23,997 INFO L93 Difference]: Finished difference Result 5886 states and 8515 transitions. [2024-11-28 05:07:24,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:24,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 350 [2024-11-28 05:07:24,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:24,441 INFO L225 Difference]: With dead ends: 5886 [2024-11-28 05:07:24,442 INFO L226 Difference]: Without dead ends: 5839 [2024-11-28 05:07:24,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:07:24,449 INFO L435 NwaCegarLoop]: 3200 mSDtfsCounter, 3108 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3108 SdHoareTripleChecker+Valid, 3200 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:24,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3108 Valid, 3200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 05:07:24,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5839 states. [2024-11-28 05:07:24,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5839 to 5839. [2024-11-28 05:07:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5839 states, 4395 states have (on average 1.4040955631399317) internal successors, (6171), 4483 states have internal predecessors, (6171), 1140 states have call successors, (1140), 304 states have call predecessors, (1140), 303 states have return successors, (1139), 1123 states have call predecessors, (1139), 1139 states have call successors, (1139) [2024-11-28 05:07:24,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5839 states to 5839 states and 8450 transitions. [2024-11-28 05:07:24,737 INFO L78 Accepts]: Start accepts. Automaton has 5839 states and 8450 transitions. Word has length 350 [2024-11-28 05:07:24,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:24,740 INFO L471 AbstractCegarLoop]: Abstraction has 5839 states and 8450 transitions. [2024-11-28 05:07:24,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 05:07:24,740 INFO L276 IsEmpty]: Start isEmpty. Operand 5839 states and 8450 transitions. [2024-11-28 05:07:24,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-28 05:07:24,754 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:24,755 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:24,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 05:07:24,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 05:07:24,956 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:07:24,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:24,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1136606144, now seen corresponding path program 1 times [2024-11-28 05:07:24,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:24,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242037189] [2024-11-28 05:07:24,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:24,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-28 05:07:38,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:38,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242037189] [2024-11-28 05:07:38,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242037189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:38,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064496476] [2024-11-28 05:07:38,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:38,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:38,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:38,737 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:38,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 05:07:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:54,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 5215 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:07:54,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1648 trivial. 0 not checked. [2024-11-28 05:07:54,960 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:07:54,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064496476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:54,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:07:54,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 05:07:54,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981030149] [2024-11-28 05:07:54,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:54,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:54,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:54,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:54,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:07:54,967 INFO L87 Difference]: Start difference. First operand 5839 states and 8450 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:07:55,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:55,249 INFO L93 Difference]: Finished difference Result 11677 states and 16905 transitions. [2024-11-28 05:07:55,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:55,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 408 [2024-11-28 05:07:55,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:07:55,279 INFO L225 Difference]: With dead ends: 11677 [2024-11-28 05:07:55,280 INFO L226 Difference]: Without dead ends: 5841 [2024-11-28 05:07:55,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:07:55,305 INFO L435 NwaCegarLoop]: 3188 mSDtfsCounter, 0 mSDsluCounter, 3184 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6372 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:07:55,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6372 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:07:55,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5841 states. [2024-11-28 05:07:55,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5841 to 5841. [2024-11-28 05:07:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5841 states, 4397 states have (on average 1.4039117580168297) internal successors, (6173), 4485 states have internal predecessors, (6173), 1140 states have call successors, (1140), 304 states have call predecessors, (1140), 303 states have return successors, (1139), 1123 states have call predecessors, (1139), 1139 states have call successors, (1139) [2024-11-28 05:07:55,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5841 states to 5841 states and 8452 transitions. [2024-11-28 05:07:55,587 INFO L78 Accepts]: Start accepts. Automaton has 5841 states and 8452 transitions. Word has length 408 [2024-11-28 05:07:55,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:07:55,589 INFO L471 AbstractCegarLoop]: Abstraction has 5841 states and 8452 transitions. [2024-11-28 05:07:55,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:07:55,589 INFO L276 IsEmpty]: Start isEmpty. Operand 5841 states and 8452 transitions. [2024-11-28 05:07:55,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-28 05:07:55,601 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:07:55,602 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:55,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:55,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-28 05:07:55,803 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:07:55,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:55,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1277154754, now seen corresponding path program 1 times [2024-11-28 05:07:55,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:55,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277072493] [2024-11-28 05:07:55,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:55,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-28 05:08:10,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:10,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277072493] [2024-11-28 05:08:10,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277072493] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:10,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252151153] [2024-11-28 05:08:10,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:10,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:10,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:10,931 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:10,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 05:08:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:27,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 5218 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:08:27,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1648 trivial. 0 not checked. [2024-11-28 05:08:27,519 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:08:27,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252151153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:27,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:27,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-28 05:08:27,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84050034] [2024-11-28 05:08:27,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:27,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:08:27,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:27,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:08:27,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:08:27,522 INFO L87 Difference]: Start difference. First operand 5841 states and 8452 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:08:27,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:08:27,944 INFO L93 Difference]: Finished difference Result 11683 states and 16911 transitions. [2024-11-28 05:08:27,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:08:27,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 408 [2024-11-28 05:08:27,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:08:27,981 INFO L225 Difference]: With dead ends: 11683 [2024-11-28 05:08:27,981 INFO L226 Difference]: Without dead ends: 5845 [2024-11-28 05:08:28,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:08:28,003 INFO L435 NwaCegarLoop]: 3186 mSDtfsCounter, 1 mSDsluCounter, 6366 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 9552 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:08:28,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 9552 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:08:28,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5845 states. [2024-11-28 05:08:28,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5845 to 5845. [2024-11-28 05:08:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5845 states, 4401 states have (on average 1.403544648943422) internal successors, (6177), 4489 states have internal predecessors, (6177), 1140 states have call successors, (1140), 304 states have call predecessors, (1140), 303 states have return successors, (1139), 1123 states have call predecessors, (1139), 1139 states have call successors, (1139) [2024-11-28 05:08:28,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5845 states to 5845 states and 8456 transitions. [2024-11-28 05:08:28,277 INFO L78 Accepts]: Start accepts. Automaton has 5845 states and 8456 transitions. Word has length 408 [2024-11-28 05:08:28,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:08:28,278 INFO L471 AbstractCegarLoop]: Abstraction has 5845 states and 8456 transitions. [2024-11-28 05:08:28,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:08:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 5845 states and 8456 transitions. [2024-11-28 05:08:28,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-28 05:08:28,289 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:08:28,290 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:28,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 05:08:28,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-28 05:08:28,491 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:08:28,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:28,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1094584508, now seen corresponding path program 1 times [2024-11-28 05:08:28,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:28,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721375131] [2024-11-28 05:08:28,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:28,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1633 trivial. 0 not checked. [2024-11-28 05:08:42,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:42,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721375131] [2024-11-28 05:08:42,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721375131] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:08:42,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437897633] [2024-11-28 05:08:42,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:42,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:08:42,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:08:42,893 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:08:42,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 05:08:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:59,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 5221 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:08:59,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:08:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1648 trivial. 0 not checked. [2024-11-28 05:08:59,627 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:08:59,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437897633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:59,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:08:59,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 05:08:59,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203462052] [2024-11-28 05:08:59,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:59,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:08:59,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:59,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:08:59,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:08:59,629 INFO L87 Difference]: Start difference. First operand 5845 states and 8456 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:09:03,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:09:04,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:09:04,258 INFO L93 Difference]: Finished difference Result 5845 states and 8456 transitions. [2024-11-28 05:09:04,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:09:04,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 408 [2024-11-28 05:09:04,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:09:04,266 INFO L225 Difference]: With dead ends: 5845 [2024-11-28 05:09:04,266 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:09:04,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:09:04,283 INFO L435 NwaCegarLoop]: 4083 mSDtfsCounter, 894 mSDsluCounter, 3171 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 7254 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:09:04,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 7254 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-28 05:09:04,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:09:04,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:09:04,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:09:04,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:09:04,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 408 [2024-11-28 05:09:04,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:09:04,289 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:09:04,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 05:09:04,290 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:09:04,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:09:04,293 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:09:04,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 05:09:04,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 05:09:04,498 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:09:04,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 05:15:10,387 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:15:10,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:15:10 BoogieIcfgContainer [2024-11-28 05:15:10,419 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:15:10,423 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:15:10,423 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:15:10,423 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:15:10,424 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:44" (3/4) ... [2024-11-28 05:15:10,427 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:15:10,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#12 [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_perm_bits [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#11 [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iommu_group_put [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_intx_disable [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#19 [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_find_cap_start [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#18 [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#17 [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#16 [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_user_write_config_word [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#15 [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#14 [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#13 [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_request_selected_regions [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_intx_unmask_handler [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_intx [2024-11-28 05:15:10,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_perm_bits [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure p_setb [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_ioctl [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_irq [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure virqfd_disable [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eventfd_ctx_fdget [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_user_read_config_word [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_mem_readwrite [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_byte [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure p_setd [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_word [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2024-11-28 05:15:10,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_iomap [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_uninit_perm_bits [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure p_setw [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eventfd_ctx_put [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-11-28 05:15:10,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-11-28 05:15:10,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-11-28 05:15:10,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2024-11-28 05:15:10,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-11-28 05:15:10,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-11-28 05:15:10,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irq [2024-11-28 05:15:10,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-28 05:15:10,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#18 [2024-11-28 05:15:10,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iowrite16 [2024-11-28 05:15:10,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#17 [2024-11-28 05:15:10,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#16 [2024-11-28 05:15:10,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#15 [2024-11-28 05:15:10,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#14 [2024-11-28 05:15:10,437 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#13 [2024-11-28 05:15:10,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_default_config_write [2024-11-28 05:15:10,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#12 [2024-11-28 05:15:10,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#11 [2024-11-28 05:15:10,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iowrite8 [2024-11-28 05:15:10,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_reset_function [2024-11-28 05:15:10,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#19 [2024-11-28 05:15:10,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread32 [2024-11-28 05:15:10,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_send_intx_eventfd [2024-11-28 05:15:10,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pcibios_err_to_errno [2024-11-28 05:15:10,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-11-28 05:15:10,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_name [2024-11-28 05:15:10,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-11-28 05:15:10,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-11-28 05:15:10,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-11-28 05:15:10,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-11-28 05:15:10,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-11-28 05:15:10,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-11-28 05:15:10,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_probe [2024-11-28 05:15:10,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_msi_set_block [2024-11-28 05:15:10,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-11-28 05:15:10,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_user_config_read [2024-11-28 05:15:10,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_default_config_read [2024-11-28 05:15:10,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2024-11-28 05:15:10,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_virqfd_exit [2024-11-28 05:15:10,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_intx_unmask [2024-11-28 05:15:10,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_user_write_config_dword [2024-11-28 05:15:10,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-11-28 05:15:10,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eventfd_signal [2024-11-28 05:15:10,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-11-28 05:15:10,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-11-28 05:15:10,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-11-28 05:15:10,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_unmap_rom [2024-11-28 05:15:10,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure virqfd_deactivate [2024-11-28 05:15:10,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_dword [2024-11-28 05:15:10,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure INIT_LIST_HEAD [2024-11-28 05:15:10,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread16 [2024-11-28 05:15:10,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_get_irq_count [2024-11-28 05:15:10,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kasprintf [2024-11-28 05:15:10,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure module_put [2024-11-28 05:15:10,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_irq_nosync [2024-11-28 05:15:10,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iowrite32 [2024-11-28 05:15:10,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure PTR_ERR [2024-11-28 05:15:10,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_intx_mask [2024-11-28 05:15:10,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_set_irqs_ioctl [2024-11-28 05:15:10,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-11-28 05:15:10,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread8 [2024-11-28 05:15:10,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_config_do_rw [2024-11-28 05:15:10,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_fill_vconfig_bytes [2024-11-28 05:15:10,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_msi_disable [2024-11-28 05:15:10,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure schedule_work [2024-11-28 05:15:10,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_mmap [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_intx_set_signal [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __init_work [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_write_config_word [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure warn_slowpath_null [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_msi_set_vector_signal [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_user_config_write [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fput [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_release_selected_regions [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_name [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_io_readwrite [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure lockdep_init_map [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_load_and_free_saved_state [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure vfio_pci_config_readwrite [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_find_capability [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2024-11-28 05:15:10,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_save_state [2024-11-28 05:15:10,443 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_map_rom [2024-11-28 05:15:10,443 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-28 05:15:10,533 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 894 nodes and edges [2024-11-28 05:15:10,542 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 275 nodes and edges [2024-11-28 05:15:10,556 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2024-11-28 05:15:10,569 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2024-11-28 05:15:10,575 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 05:15:10,579 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:15:10,633 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) && (\old(ldv_mutex_igate_of_vfio_pci_device) == 1)) [2024-11-28 05:15:11,076 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) && (\old(ldv_mutex_igate_of_vfio_pci_device) == 1)) [2024-11-28 05:15:11,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:15:11,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:15:11,156 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:15:11,158 INFO L158 Benchmark]: Toolchain (without parser) took 707121.97ms. Allocated memory was 142.6MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 110.4MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-28 05:15:11,158 INFO L158 Benchmark]: CDTParser took 1.79ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:15:11,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2465.78ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 110.1MB in the beginning and 348.5MB in the end (delta: -238.4MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. [2024-11-28 05:15:11,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 408.00ms. Allocated memory is still 419.4MB. Free memory was 348.5MB in the beginning and 312.2MB in the end (delta: 36.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-28 05:15:11,159 INFO L158 Benchmark]: Boogie Preprocessor took 1362.51ms. Allocated memory is still 419.4MB. Free memory was 312.2MB in the beginning and 274.0MB in the end (delta: 38.2MB). Peak memory consumption was 183.8MB. Max. memory is 16.1GB. [2024-11-28 05:15:11,160 INFO L158 Benchmark]: RCFGBuilder took 15731.70ms. Allocated memory was 419.4MB in the beginning and 612.4MB in the end (delta: 192.9MB). Free memory was 274.0MB in the beginning and 378.0MB in the end (delta: -104.1MB). Peak memory consumption was 337.1MB. Max. memory is 16.1GB. [2024-11-28 05:15:11,161 INFO L158 Benchmark]: TraceAbstraction took 686409.49ms. Allocated memory was 612.4MB in the beginning and 3.4GB in the end (delta: 2.8GB). Free memory was 373.8MB in the beginning and 2.0GB in the end (delta: -1.6GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-11-28 05:15:11,162 INFO L158 Benchmark]: Witness Printer took 733.66ms. Allocated memory is still 3.4GB. Free memory was 2.0GB in the beginning and 1.9GB in the end (delta: 88.1MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2024-11-28 05:15:11,166 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.79ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2465.78ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 110.1MB in the beginning and 348.5MB in the end (delta: -238.4MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 408.00ms. Allocated memory is still 419.4MB. Free memory was 348.5MB in the beginning and 312.2MB in the end (delta: 36.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1362.51ms. Allocated memory is still 419.4MB. Free memory was 312.2MB in the beginning and 274.0MB in the end (delta: 38.2MB). Peak memory consumption was 183.8MB. Max. memory is 16.1GB. * RCFGBuilder took 15731.70ms. Allocated memory was 419.4MB in the beginning and 612.4MB in the end (delta: 192.9MB). Free memory was 274.0MB in the beginning and 378.0MB in the end (delta: -104.1MB). Peak memory consumption was 337.1MB. Max. memory is 16.1GB. * TraceAbstraction took 686409.49ms. Allocated memory was 612.4MB in the beginning and 3.4GB in the end (delta: 2.8GB). Free memory was 373.8MB in the beginning and 2.0GB in the end (delta: -1.6GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Witness Printer took 733.66ms. Allocated memory is still 3.4GB. Free memory was 2.0GB in the beginning and 1.9GB in the end (delta: 88.1MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2235]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [2235-2236] - GenericResultAtLocation [Line: 2246]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [2246-2247] - GenericResultAtLocation [Line: 2250]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2250-2251] - GenericResultAtLocation [Line: 2254]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2254-2255] - GenericResultAtLocation [Line: 2258]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [2258-2259] - GenericResultAtLocation [Line: 3367]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bsrl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3367] - GenericResultAtLocation [Line: 4766]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4766] - GenericResultAtLocation [Line: 4769]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4769] - GenericResultAtLocation [Line: 4772]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4772] - GenericResultAtLocation [Line: 4775]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4775] - GenericResultAtLocation [Line: 4778]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (buf + i): "ebx"); [4778] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6583]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 136 procedures, 2356 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 320.4s, OverallIterations: 10, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 25.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 16973 SdHoareTripleChecker+Valid, 22.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16973 mSDsluCounter, 58792 SdHoareTripleChecker+Invalid, 21.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23039 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 35753 mSDtfsCounter, 76 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3003 GetRequests, 2971 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5885occurred in iteration=5, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 25 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.4s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 27.1s InterpolantComputationTime, 6105 NumberOfCodeBlocks, 6105 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 6087 ConstructedInterpolants, 0 QuantifiedInterpolants, 8271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 39784 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 26656/26758 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4757]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) - InvariantResult [Line: 3117]: Location Invariant Derived location invariant: (((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) - InvariantResult [Line: 2578]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) - InvariantResult [Line: 4138]: Location Invariant Derived location invariant: (((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) || ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (2 == ldv_mutex_igate_of_vfio_pci_device))) - InvariantResult [Line: 6338]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) - InvariantResult [Line: 2735]: Location Invariant Derived location invariant: (((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) && (\old(ldv_mutex_igate_of_vfio_pci_device) == 1)) - InvariantResult [Line: 3100]: Location Invariant Derived location invariant: (((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) - InvariantResult [Line: 4967]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) - InvariantResult [Line: 6252]: Location Invariant Derived location invariant: ((((1 == ldv_mutex_mutex_of_device) && (ldv_retval_1 == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_igate_of_vfio_pci_device == 1)) RESULT: Ultimate proved your program to be correct! [2024-11-28 05:15:11,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376ffa4d-9768-4c1e-a85a-ab1c09a6f4b3/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE