./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC --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 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:45:20,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:45:20,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:45:20,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:45:20,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:45:20,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:45:20,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:45:20,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:45:20,598 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:45:20,598 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:45:20,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:45:20,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:45:20,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:45:20,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:45:20,601 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:45:20,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:45:20,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:45:20,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:45:20,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:45:20,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:45:20,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:45:20,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:45:20,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:45:20,604 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:45:20,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:45:20,604 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:45:20,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:45:20,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:45:20,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:45:20,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:45:20,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:45:20,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:45:20,606 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:45:20,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:45:20,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:45:20,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:45:20,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:45:20,606 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:45:20,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:45:20,606 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:45:20,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:45:20,607 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:45:20,607 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:45:20,607 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:45:20,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:45:20,607 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_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC 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 -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2024-11-23 23:45:21,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:45:21,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:45:21,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:45:21,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:45:21,042 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:45:21,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-11-23 23:45:24,605 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/data/0e3f8a566/3e79db75d3924546a6b3bb07b6030cdf/FLAG8fc18db8e [2024-11-23 23:45:25,287 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:45:25,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-11-23 23:45:25,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/data/0e3f8a566/3e79db75d3924546a6b3bb07b6030cdf/FLAG8fc18db8e [2024-11-23 23:45:25,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/data/0e3f8a566/3e79db75d3924546a6b3bb07b6030cdf [2024-11-23 23:45:25,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:45:25,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:45:25,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:45:25,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:45:25,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:45:25,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:45:25" (1/1) ... [2024-11-23 23:45:25,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a246c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:25, skipping insertion in model container [2024-11-23 23:45:25,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:45:25" (1/1) ... [2024-11-23 23:45:25,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:45:26,985 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_53fa8089-ba57-42a2-b0ae-9e4257a13a40/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2024-11-23 23:45:27,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:45:27,060 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:45:27,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4160] [2024-11-23 23:45:27,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4167] [2024-11-23 23:45:27,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4182] [2024-11-23 23:45:27,553 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_53fa8089-ba57-42a2-b0ae-9e4257a13a40/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2024-11-23 23:45:27,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:45:27,681 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:45:27,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27 WrapperNode [2024-11-23 23:45:27,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:45:27,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:45:27,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:45:27,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:45:27,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (1/1) ... [2024-11-23 23:45:27,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (1/1) ... [2024-11-23 23:45:27,866 INFO L138 Inliner]: procedures = 151, calls = 825, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1833 [2024-11-23 23:45:27,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:45:27,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:45:27,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:45:27,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:45:27,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (1/1) ... [2024-11-23 23:45:27,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (1/1) ... [2024-11-23 23:45:27,905 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (1/1) ... [2024-11-23 23:45:28,205 INFO L175 MemorySlicer]: Split 277 memory accesses to 11 slices as follows [170, 2, 3, 2, 16, 1, 23, 24, 16, 8, 12]. 61 percent of accesses are in the largest equivalence class. The 51 initializations are split as follows [4, 2, 3, 0, 0, 0, 0, 18, 16, 8, 0]. The 81 writes are split as follows [42, 0, 0, 0, 16, 0, 16, 6, 0, 0, 1]. [2024-11-23 23:45:28,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (1/1) ... [2024-11-23 23:45:28,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (1/1) ... [2024-11-23 23:45:28,285 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (1/1) ... [2024-11-23 23:45:28,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (1/1) ... [2024-11-23 23:45:28,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (1/1) ... [2024-11-23 23:45:28,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (1/1) ... [2024-11-23 23:45:28,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (1/1) ... [2024-11-23 23:45:28,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:45:28,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:45:28,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:45:28,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:45:28,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (1/1) ... [2024-11-23 23:45:28,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:45:28,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:45:28,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:45:28,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:45:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2024-11-23 23:45:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2024-11-23 23:45:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2024-11-23 23:45:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2024-11-23 23:45:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:45:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:45:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:45:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:45:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:45:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:45:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 23:45:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 23:45:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 23:45:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 23:45:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 23:45:28,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 23:45:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 23:45:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 23:45:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 23:45:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 23:45:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 23:45:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 23:45:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 23:45:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 23:45:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 23:45:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 23:45:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:45:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:45:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:45:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:45:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 23:45:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 23:45:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 23:45:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 23:45:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 23:45:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 23:45:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 23:45:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 23:45:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 23:45:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:45:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:45:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:45:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:45:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:45:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:45:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:45:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:45:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:45:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:45:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:45:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 23:45:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 23:45:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2024-11-23 23:45:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2024-11-23 23:45:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2024-11-23 23:45:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2024-11-23 23:45:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-23 23:45:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-23 23:45:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-23 23:45:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-23 23:45:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-23 23:45:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-23 23:45:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-23 23:45:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-23 23:45:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-23 23:45:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-23 23:45:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-23 23:45:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-23 23:45:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-23 23:45:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-23 23:45:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-23 23:45:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-23 23:45:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-23 23:45:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-23 23:45:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-23 23:45:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-23 23:45:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-23 23:45:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-23 23:45:28,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:45:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:45:28,479 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-23 23:45:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-23 23:45:28,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-11-23 23:45:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-11-23 23:45:28,479 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 23:45:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 23:45:28,479 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-23 23:45:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-23 23:45:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:45:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:45:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:45:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:45:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:45:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:45:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:45:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:45:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:45:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:45:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:45:28,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 23:45:28,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 23:45:28,481 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-23 23:45:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-23 23:45:28,482 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2024-11-23 23:45:28,483 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2024-11-23 23:45:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 23:45:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 23:45:28,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 23:45:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-23 23:45:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-23 23:45:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-23 23:45:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-23 23:45:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-23 23:45:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-23 23:45:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-23 23:45:28,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-23 23:45:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 23:45:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 23:45:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 23:45:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-23 23:45:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-23 23:45:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-23 23:45:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-23 23:45:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-23 23:45:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-23 23:45:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-23 23:45:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-23 23:45:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2024-11-23 23:45:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2024-11-23 23:45:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-23 23:45:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-23 23:45:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:45:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:45:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:45:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-23 23:45:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-23 23:45:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-23 23:45:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-23 23:45:28,485 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2024-11-23 23:45:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2024-11-23 23:45:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:45:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2024-11-23 23:45:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2024-11-23 23:45:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-23 23:45:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-23 23:45:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:45:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:45:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:45:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:45:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:45:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:45:28,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:45:28,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 23:45:28,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 23:45:28,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 23:45:28,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 23:45:28,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 23:45:28,489 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2024-11-23 23:45:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2024-11-23 23:45:28,489 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-23 23:45:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-23 23:45:28,489 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2024-11-23 23:45:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2024-11-23 23:45:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:45:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:45:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:45:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:45:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:45:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:45:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 23:45:28,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 23:45:28,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 23:45:28,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 23:45:28,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 23:45:28,491 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2024-11-23 23:45:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-23 23:45:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 23:45:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2024-11-23 23:45:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2024-11-23 23:45:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 23:45:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 23:45:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-23 23:45:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-23 23:45:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2024-11-23 23:45:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2024-11-23 23:45:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-23 23:45:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-23 23:45:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:45:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:45:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:45:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:45:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:45:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:45:28,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:45:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:45:28,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:45:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2024-11-23 23:45:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 23:45:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:45:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:45:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2024-11-23 23:45:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2024-11-23 23:45:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2024-11-23 23:45:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2024-11-23 23:45:29,193 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:45:29,197 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:45:29,417 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 23:45:32,320 INFO L? ?]: Removed 919 outVars from TransFormulas that were not future-live. [2024-11-23 23:45:32,320 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:45:32,353 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:45:32,353 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 23:45:32,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:45:32 BoogieIcfgContainer [2024-11-23 23:45:32,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:45:32,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:45:32,357 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:45:32,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:45:32,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:45:25" (1/3) ... [2024-11-23 23:45:32,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6e0879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:45:32, skipping insertion in model container [2024-11-23 23:45:32,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:27" (2/3) ... [2024-11-23 23:45:32,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6e0879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:45:32, skipping insertion in model container [2024-11-23 23:45:32,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:45:32" (3/3) ... [2024-11-23 23:45:32,373 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-11-23 23:45:32,396 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:45:32,400 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i that has 58 procedures, 729 locations, 1 initial locations, 39 loop locations, and 1 error locations. [2024-11-23 23:45:32,600 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:45:32,622 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;@431f8ad0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:45:32,623 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:45:32,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 655 states, 457 states have (on average 1.3085339168490153) internal successors, (598), 468 states have internal predecessors, (598), 156 states have call successors, (156), 41 states have call predecessors, (156), 40 states have return successors, (152), 151 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-23 23:45:32,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-23 23:45:32,656 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:32,659 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:32,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:32,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:32,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1222358212, now seen corresponding path program 1 times [2024-11-23 23:45:32,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:32,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494097346] [2024-11-23 23:45:32,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:32,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2024-11-23 23:45:33,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:33,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494097346] [2024-11-23 23:45:33,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494097346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:45:33,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233420443] [2024-11-23 23:45:33,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:33,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:45:33,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:45:33,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:45:33,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:45:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:34,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:45:34,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:45:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2024-11-23 23:45:34,881 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:45:34,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233420443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:34,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:45:34,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:45:34,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877588973] [2024-11-23 23:45:34,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:34,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:45:34,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:34,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:45:34,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:45:34,932 INFO L87 Difference]: Start difference. First operand has 655 states, 457 states have (on average 1.3085339168490153) internal successors, (598), 468 states have internal predecessors, (598), 156 states have call successors, (156), 41 states have call predecessors, (156), 40 states have return successors, (152), 151 states have call predecessors, (152), 152 states have call successors, (152) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-23 23:45:35,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:35,114 INFO L93 Difference]: Finished difference Result 1305 states and 1832 transitions. [2024-11-23 23:45:35,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:45:35,120 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 184 [2024-11-23 23:45:35,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:35,154 INFO L225 Difference]: With dead ends: 1305 [2024-11-23 23:45:35,154 INFO L226 Difference]: Without dead ends: 644 [2024-11-23 23:45:35,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:45:35,170 INFO L435 NwaCegarLoop]: 898 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:35,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:45:35,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-23 23:45:35,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 644. [2024-11-23 23:45:35,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 452 states have (on average 1.2898230088495575) internal successors, (583), 457 states have internal predecessors, (583), 152 states have call successors, (152), 40 states have call predecessors, (152), 39 states have return successors, (150), 149 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-23 23:45:35,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 885 transitions. [2024-11-23 23:45:35,397 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 885 transitions. Word has length 184 [2024-11-23 23:45:35,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:35,398 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 885 transitions. [2024-11-23 23:45:35,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-23 23:45:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 885 transitions. [2024-11-23 23:45:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-23 23:45:35,410 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:35,411 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:35,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:45:35,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:45:35,615 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:35,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:35,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1938599882, now seen corresponding path program 1 times [2024-11-23 23:45:35,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:35,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916644268] [2024-11-23 23:45:35,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:35,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:36,424 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2024-11-23 23:45:36,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:36,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916644268] [2024-11-23 23:45:36,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916644268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:36,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:36,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:45:36,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870158232] [2024-11-23 23:45:36,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:36,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:45:36,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:36,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:45:36,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:45:36,429 INFO L87 Difference]: Start difference. First operand 644 states and 885 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 23:45:36,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:36,831 INFO L93 Difference]: Finished difference Result 1822 states and 2511 transitions. [2024-11-23 23:45:36,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:45:36,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 184 [2024-11-23 23:45:36,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:36,850 INFO L225 Difference]: With dead ends: 1822 [2024-11-23 23:45:36,851 INFO L226 Difference]: Without dead ends: 1218 [2024-11-23 23:45:36,855 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 [2024-11-23 23:45:36,856 INFO L435 NwaCegarLoop]: 886 mSDtfsCounter, 795 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:36,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 1751 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:45:36,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2024-11-23 23:45:36,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1215. [2024-11-23 23:45:36,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 860 states have (on average 1.2988372093023255) internal successors, (1117), 869 states have internal predecessors, (1117), 280 states have call successors, (280), 75 states have call predecessors, (280), 74 states have return successors, (278), 276 states have call predecessors, (278), 278 states have call successors, (278) [2024-11-23 23:45:37,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1675 transitions. [2024-11-23 23:45:37,007 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1675 transitions. Word has length 184 [2024-11-23 23:45:37,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:37,009 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1675 transitions. [2024-11-23 23:45:37,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 23:45:37,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1675 transitions. [2024-11-23 23:45:37,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-23 23:45:37,019 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:37,020 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:37,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:45:37,021 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:37,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:37,022 INFO L85 PathProgramCache]: Analyzing trace with hash -458839062, now seen corresponding path program 1 times [2024-11-23 23:45:37,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:37,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132426818] [2024-11-23 23:45:37,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:37,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:37,612 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-23 23:45:37,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:37,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132426818] [2024-11-23 23:45:37,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132426818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:37,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:37,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:45:37,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5083045] [2024-11-23 23:45:37,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:37,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:45:37,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:37,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:45:37,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:45:37,617 INFO L87 Difference]: Start difference. First operand 1215 states and 1675 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-23 23:45:37,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:37,801 INFO L93 Difference]: Finished difference Result 2389 states and 3294 transitions. [2024-11-23 23:45:37,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:45:37,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 197 [2024-11-23 23:45:37,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:37,817 INFO L225 Difference]: With dead ends: 2389 [2024-11-23 23:45:37,817 INFO L226 Difference]: Without dead ends: 1214 [2024-11-23 23:45:37,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:45:37,826 INFO L435 NwaCegarLoop]: 880 mSDtfsCounter, 881 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 1758 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:37,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 1758 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:45:37,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2024-11-23 23:45:37,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1214. [2024-11-23 23:45:37,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 859 states have (on average 1.2956926658905705) internal successors, (1113), 868 states have internal predecessors, (1113), 280 states have call successors, (280), 75 states have call predecessors, (280), 74 states have return successors, (278), 276 states have call predecessors, (278), 278 states have call successors, (278) [2024-11-23 23:45:37,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1671 transitions. [2024-11-23 23:45:37,964 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1671 transitions. Word has length 197 [2024-11-23 23:45:37,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:37,965 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1671 transitions. [2024-11-23 23:45:37,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-23 23:45:37,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1671 transitions. [2024-11-23 23:45:37,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-23 23:45:37,976 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:37,976 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:37,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:45:37,977 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:37,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:37,978 INFO L85 PathProgramCache]: Analyzing trace with hash 323750819, now seen corresponding path program 1 times [2024-11-23 23:45:37,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:37,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420115463] [2024-11-23 23:45:37,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:37,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:38,423 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2024-11-23 23:45:38,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:38,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420115463] [2024-11-23 23:45:38,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420115463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:38,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:38,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:45:38,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517021772] [2024-11-23 23:45:38,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:38,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:45:38,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:38,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:45:38,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:45:38,426 INFO L87 Difference]: Start difference. First operand 1214 states and 1671 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:45:38,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:38,634 INFO L93 Difference]: Finished difference Result 3559 states and 4904 transitions. [2024-11-23 23:45:38,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:45:38,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 255 [2024-11-23 23:45:38,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:38,656 INFO L225 Difference]: With dead ends: 3559 [2024-11-23 23:45:38,657 INFO L226 Difference]: Without dead ends: 2381 [2024-11-23 23:45:38,663 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 [2024-11-23 23:45:38,665 INFO L435 NwaCegarLoop]: 899 mSDtfsCounter, 819 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:38,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1723 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:45:38,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2024-11-23 23:45:38,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2377. [2024-11-23 23:45:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2377 states, 1687 states have (on average 1.2987551867219918) internal successors, (2191), 1704 states have internal predecessors, (2191), 543 states have call successors, (543), 147 states have call predecessors, (543), 146 states have return successors, (541), 537 states have call predecessors, (541), 541 states have call successors, (541) [2024-11-23 23:45:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2377 states and 3275 transitions. [2024-11-23 23:45:38,871 INFO L78 Accepts]: Start accepts. Automaton has 2377 states and 3275 transitions. Word has length 255 [2024-11-23 23:45:38,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:38,873 INFO L471 AbstractCegarLoop]: Abstraction has 2377 states and 3275 transitions. [2024-11-23 23:45:38,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-23 23:45:38,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 3275 transitions. [2024-11-23 23:45:38,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-23 23:45:38,891 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:38,891 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:38,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:45:38,891 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:38,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:38,892 INFO L85 PathProgramCache]: Analyzing trace with hash -503983954, now seen corresponding path program 1 times [2024-11-23 23:45:38,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:38,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462089168] [2024-11-23 23:45:38,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:38,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:39,333 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-11-23 23:45:39,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:39,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462089168] [2024-11-23 23:45:39,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462089168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:39,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:39,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:45:39,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384897558] [2024-11-23 23:45:39,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:39,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:45:39,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:39,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:45:39,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:45:39,335 INFO L87 Difference]: Start difference. First operand 2377 states and 3275 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:45:39,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:39,595 INFO L93 Difference]: Finished difference Result 4718 states and 6504 transitions. [2024-11-23 23:45:39,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:45:39,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 277 [2024-11-23 23:45:39,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:39,615 INFO L225 Difference]: With dead ends: 4718 [2024-11-23 23:45:39,615 INFO L226 Difference]: Without dead ends: 2381 [2024-11-23 23:45:39,625 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 [2024-11-23 23:45:39,626 INFO L435 NwaCegarLoop]: 882 mSDtfsCounter, 0 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1759 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:39,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1759 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:45:39,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2024-11-23 23:45:39,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2381. [2024-11-23 23:45:39,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 1691 states have (on average 1.2980484920165583) internal successors, (2195), 1708 states have internal predecessors, (2195), 543 states have call successors, (543), 147 states have call predecessors, (543), 146 states have return successors, (541), 537 states have call predecessors, (541), 541 states have call successors, (541) [2024-11-23 23:45:39,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3279 transitions. [2024-11-23 23:45:39,830 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3279 transitions. Word has length 277 [2024-11-23 23:45:39,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:39,834 INFO L471 AbstractCegarLoop]: Abstraction has 2381 states and 3279 transitions. [2024-11-23 23:45:39,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:45:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3279 transitions. [2024-11-23 23:45:39,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-23 23:45:39,846 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:39,846 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:39,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:45:39,846 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:39,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:39,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1783847632, now seen corresponding path program 1 times [2024-11-23 23:45:39,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:39,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032121143] [2024-11-23 23:45:39,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:39,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:41,549 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-11-23 23:45:41,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:41,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032121143] [2024-11-23 23:45:41,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032121143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:41,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:41,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:45:41,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055410085] [2024-11-23 23:45:41,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:41,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:45:41,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:41,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:45:41,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:45:41,551 INFO L87 Difference]: Start difference. First operand 2381 states and 3279 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:45:41,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:41,828 INFO L93 Difference]: Finished difference Result 3563 states and 4906 transitions. [2024-11-23 23:45:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:45:41,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 277 [2024-11-23 23:45:41,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:41,852 INFO L225 Difference]: With dead ends: 3563 [2024-11-23 23:45:41,852 INFO L226 Difference]: Without dead ends: 2387 [2024-11-23 23:45:41,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:45:41,861 INFO L435 NwaCegarLoop]: 883 mSDtfsCounter, 0 mSDsluCounter, 2636 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3519 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:41,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3519 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:45:41,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2024-11-23 23:45:42,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2387. [2024-11-23 23:45:42,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2387 states, 1697 states have (on average 1.2969946965232764) internal successors, (2201), 1714 states have internal predecessors, (2201), 543 states have call successors, (543), 147 states have call predecessors, (543), 146 states have return successors, (541), 537 states have call predecessors, (541), 541 states have call successors, (541) [2024-11-23 23:45:42,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3285 transitions. [2024-11-23 23:45:42,130 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3285 transitions. Word has length 277 [2024-11-23 23:45:42,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:42,131 INFO L471 AbstractCegarLoop]: Abstraction has 2387 states and 3285 transitions. [2024-11-23 23:45:42,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-23 23:45:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3285 transitions. [2024-11-23 23:45:42,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-23 23:45:42,148 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:42,148 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:42,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:45:42,148 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:42,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:42,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1596019022, now seen corresponding path program 1 times [2024-11-23 23:45:42,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:42,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323970307] [2024-11-23 23:45:42,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:42,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:42,516 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-23 23:45:42,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:42,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323970307] [2024-11-23 23:45:42,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323970307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:42,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:42,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:45:42,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950988516] [2024-11-23 23:45:42,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:42,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:45:42,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:42,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:45:42,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:45:42,519 INFO L87 Difference]: Start difference. First operand 2387 states and 3285 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-23 23:45:42,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:42,780 INFO L93 Difference]: Finished difference Result 3848 states and 5253 transitions. [2024-11-23 23:45:42,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:45:42,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 278 [2024-11-23 23:45:42,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:42,797 INFO L225 Difference]: With dead ends: 3848 [2024-11-23 23:45:42,797 INFO L226 Difference]: Without dead ends: 1501 [2024-11-23 23:45:42,808 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 [2024-11-23 23:45:42,808 INFO L435 NwaCegarLoop]: 891 mSDtfsCounter, 164 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 1672 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:42,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 1672 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:45:42,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2024-11-23 23:45:42,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1490. [2024-11-23 23:45:42,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1064 states have (on average 1.2866541353383458) internal successors, (1369), 1075 states have internal predecessors, (1369), 321 states have call successors, (321), 105 states have call predecessors, (321), 104 states have return successors, (319), 315 states have call predecessors, (319), 319 states have call successors, (319) [2024-11-23 23:45:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2009 transitions. [2024-11-23 23:45:42,917 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2009 transitions. Word has length 278 [2024-11-23 23:45:42,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:42,918 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2009 transitions. [2024-11-23 23:45:42,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-23 23:45:42,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2009 transitions. [2024-11-23 23:45:42,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-23 23:45:42,925 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:42,925 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:42,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:45:42,925 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:42,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:42,926 INFO L85 PathProgramCache]: Analyzing trace with hash 715344793, now seen corresponding path program 1 times [2024-11-23 23:45:42,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:42,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565392012] [2024-11-23 23:45:42,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:42,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-11-23 23:45:43,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:43,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565392012] [2024-11-23 23:45:43,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565392012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:43,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:43,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:45:43,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251995347] [2024-11-23 23:45:43,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:43,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:45:43,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:43,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:45:43,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:45:43,760 INFO L87 Difference]: Start difference. First operand 1490 states and 2009 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-23 23:45:43,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:43,909 INFO L93 Difference]: Finished difference Result 2890 states and 3921 transitions. [2024-11-23 23:45:43,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:45:43,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 293 [2024-11-23 23:45:43,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:43,923 INFO L225 Difference]: With dead ends: 2890 [2024-11-23 23:45:43,924 INFO L226 Difference]: Without dead ends: 1490 [2024-11-23 23:45:43,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:45:43,931 INFO L435 NwaCegarLoop]: 880 mSDtfsCounter, 2 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2626 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:43,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2626 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:45:43,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2024-11-23 23:45:44,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1490. [2024-11-23 23:45:44,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1064 states have (on average 1.2847744360902256) internal successors, (1367), 1075 states have internal predecessors, (1367), 321 states have call successors, (321), 105 states have call predecessors, (321), 104 states have return successors, (319), 315 states have call predecessors, (319), 319 states have call successors, (319) [2024-11-23 23:45:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2007 transitions. [2024-11-23 23:45:44,035 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2007 transitions. Word has length 293 [2024-11-23 23:45:44,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:44,036 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2007 transitions. [2024-11-23 23:45:44,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-23 23:45:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2007 transitions. [2024-11-23 23:45:44,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-23 23:45:44,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:44,043 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:44,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:45:44,043 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:44,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:44,044 INFO L85 PathProgramCache]: Analyzing trace with hash -698447844, now seen corresponding path program 1 times [2024-11-23 23:45:44,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:44,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92500757] [2024-11-23 23:45:44,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:44,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:45,134 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2024-11-23 23:45:45,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:45,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92500757] [2024-11-23 23:45:45,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92500757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:45:45,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896551515] [2024-11-23 23:45:45,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:45,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:45:45,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:45:45,137 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:45:45,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:45:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:46,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 2060 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 23:45:46,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:45:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2024-11-23 23:45:46,359 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:45:46,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896551515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:46,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:45:46,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2024-11-23 23:45:46,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944527027] [2024-11-23 23:45:46,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:46,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:45:46,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:46,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:45:46,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:45:46,364 INFO L87 Difference]: Start difference. First operand 1490 states and 2007 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-23 23:45:46,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:46,656 INFO L93 Difference]: Finished difference Result 2976 states and 4017 transitions. [2024-11-23 23:45:46,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:45:46,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 295 [2024-11-23 23:45:46,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:46,673 INFO L225 Difference]: With dead ends: 2976 [2024-11-23 23:45:46,673 INFO L226 Difference]: Without dead ends: 1491 [2024-11-23 23:45:46,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:45:46,681 INFO L435 NwaCegarLoop]: 868 mSDtfsCounter, 4 mSDsluCounter, 3444 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:46,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4312 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:45:46,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2024-11-23 23:45:46,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1491. [2024-11-23 23:45:46,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1491 states, 1065 states have (on average 1.2845070422535212) internal successors, (1368), 1076 states have internal predecessors, (1368), 321 states have call successors, (321), 105 states have call predecessors, (321), 104 states have return successors, (319), 315 states have call predecessors, (319), 319 states have call successors, (319) [2024-11-23 23:45:46,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 2008 transitions. [2024-11-23 23:45:46,789 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 2008 transitions. Word has length 295 [2024-11-23 23:45:46,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:46,789 INFO L471 AbstractCegarLoop]: Abstraction has 1491 states and 2008 transitions. [2024-11-23 23:45:46,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-23 23:45:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2008 transitions. [2024-11-23 23:45:46,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-23 23:45:46,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:46,797 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:46,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:45:47,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:45:47,002 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:47,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:47,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1452949488, now seen corresponding path program 1 times [2024-11-23 23:45:47,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:47,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660333297] [2024-11-23 23:45:47,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:47,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-11-23 23:45:48,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:48,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660333297] [2024-11-23 23:45:48,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660333297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:45:48,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623387154] [2024-11-23 23:45:48,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:48,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:45:48,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:45:48,263 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:45:48,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:45:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:49,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 2225 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-23 23:45:49,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:45:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 351 proven. 1 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2024-11-23 23:45:49,829 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:45:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-11-23 23:45:50,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623387154] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:45:50,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:45:50,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-23 23:45:50,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851185145] [2024-11-23 23:45:50,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:45:50,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 23:45:50,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:50,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 23:45:50,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:45:50,500 INFO L87 Difference]: Start difference. First operand 1491 states and 2008 transitions. Second operand has 13 states, 11 states have (on average 12.818181818181818) internal successors, (141), 13 states have internal predecessors, (141), 4 states have call successors, (46), 2 states have call predecessors, (46), 6 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-23 23:45:50,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:50,995 INFO L93 Difference]: Finished difference Result 2994 states and 4040 transitions. [2024-11-23 23:45:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 23:45:50,996 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 12.818181818181818) internal successors, (141), 13 states have internal predecessors, (141), 4 states have call successors, (46), 2 states have call predecessors, (46), 6 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 306 [2024-11-23 23:45:50,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:51,010 INFO L225 Difference]: With dead ends: 2994 [2024-11-23 23:45:51,010 INFO L226 Difference]: Without dead ends: 1513 [2024-11-23 23:45:51,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 605 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:45:51,018 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 14 mSDsluCounter, 5170 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 6037 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:51,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 6037 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:45:51,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2024-11-23 23:45:51,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1513. [2024-11-23 23:45:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 1081 states have (on average 1.2830712303422758) internal successors, (1387), 1092 states have internal predecessors, (1387), 323 states have call successors, (323), 109 states have call predecessors, (323), 108 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-23 23:45:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2031 transitions. [2024-11-23 23:45:51,157 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2031 transitions. Word has length 306 [2024-11-23 23:45:51,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:51,158 INFO L471 AbstractCegarLoop]: Abstraction has 1513 states and 2031 transitions. [2024-11-23 23:45:51,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 12.818181818181818) internal successors, (141), 13 states have internal predecessors, (141), 4 states have call successors, (46), 2 states have call predecessors, (46), 6 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-23 23:45:51,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2031 transitions. [2024-11-23 23:45:51,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-23 23:45:51,169 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:51,169 INFO L218 NwaCegarLoop]: trace histogram [21, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:51,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 23:45:51,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:45:51,373 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:51,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:51,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1245011190, now seen corresponding path program 2 times [2024-11-23 23:45:51,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:51,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276638557] [2024-11-23 23:45:51,374 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:45:51,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:51,779 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 23:45:51,779 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:45:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2024-11-23 23:45:52,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:52,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276638557] [2024-11-23 23:45:52,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276638557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:45:52,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265733218] [2024-11-23 23:45:52,806 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:45:52,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:45:52,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:45:52,808 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:45:52,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:45:54,454 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 23:45:54,454 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:45:54,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 2375 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-23 23:45:54,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:45:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 674 proven. 62 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2024-11-23 23:45:54,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:45:55,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 87 proven. 63 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2024-11-23 23:45:55,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265733218] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:45:55,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:45:55,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-11-23 23:45:55,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469748283] [2024-11-23 23:45:55,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:45:55,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-23 23:45:55,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:55,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-23 23:45:55,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:45:55,259 INFO L87 Difference]: Start difference. First operand 1513 states and 2031 transitions. Second operand has 17 states, 15 states have (on average 10.133333333333333) internal successors, (152), 17 states have internal predecessors, (152), 4 states have call successors, (46), 2 states have call predecessors, (46), 7 states have return successors, (49), 5 states have call predecessors, (49), 4 states have call successors, (49) [2024-11-23 23:45:55,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:55,970 INFO L93 Difference]: Finished difference Result 3018 states and 4059 transitions. [2024-11-23 23:45:55,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 23:45:55,971 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 10.133333333333333) internal successors, (152), 17 states have internal predecessors, (152), 4 states have call successors, (46), 2 states have call predecessors, (46), 7 states have return successors, (49), 5 states have call predecessors, (49), 4 states have call successors, (49) Word has length 316 [2024-11-23 23:45:55,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:55,984 INFO L225 Difference]: With dead ends: 3018 [2024-11-23 23:45:55,984 INFO L226 Difference]: Without dead ends: 1515 [2024-11-23 23:45:55,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 623 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2024-11-23 23:45:55,991 INFO L435 NwaCegarLoop]: 870 mSDtfsCounter, 17 mSDsluCounter, 10367 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 11237 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:55,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 11237 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:45:55,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2024-11-23 23:45:56,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2024-11-23 23:45:56,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1083 states have (on average 1.2825484764542936) internal successors, (1389), 1094 states have internal predecessors, (1389), 323 states have call successors, (323), 109 states have call predecessors, (323), 108 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-23 23:45:56,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2033 transitions. [2024-11-23 23:45:56,125 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2033 transitions. Word has length 316 [2024-11-23 23:45:56,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:56,127 INFO L471 AbstractCegarLoop]: Abstraction has 1515 states and 2033 transitions. [2024-11-23 23:45:56,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 10.133333333333333) internal successors, (152), 17 states have internal predecessors, (152), 4 states have call successors, (46), 2 states have call predecessors, (46), 7 states have return successors, (49), 5 states have call predecessors, (49), 4 states have call successors, (49) [2024-11-23 23:45:56,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2033 transitions. [2024-11-23 23:45:56,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-23 23:45:56,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:56,136 INFO L218 NwaCegarLoop]: trace histogram [31, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:45:56,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:45:56,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:45:56,336 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:45:56,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:56,337 INFO L85 PathProgramCache]: Analyzing trace with hash 645108432, now seen corresponding path program 3 times [2024-11-23 23:45:56,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:56,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154043212] [2024-11-23 23:45:56,337 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:45:56,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:56,883 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-23 23:45:56,883 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:45:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 212 proven. 6 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2024-11-23 23:45:57,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:57,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154043212] [2024-11-23 23:45:57,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154043212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:45:57,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512489962] [2024-11-23 23:45:57,536 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:45:57,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:45:57,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:45:57,539 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:45:57,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:46:02,202 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-23 23:46:02,202 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:46:02,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-23 23:46:02,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:46:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 346 proven. 6 refuted. 0 times theorem prover too weak. 1171 trivial. 0 not checked. [2024-11-23 23:46:02,495 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:46:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 212 proven. 6 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2024-11-23 23:46:03,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512489962] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:46:03,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:46:03,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-11-23 23:46:03,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801695542] [2024-11-23 23:46:03,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:46:03,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-23 23:46:03,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:46:03,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-23 23:46:03,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:46:03,306 INFO L87 Difference]: Start difference. First operand 1515 states and 2033 transitions. Second operand has 19 states, 17 states have (on average 8.235294117647058) internal successors, (140), 19 states have internal predecessors, (140), 4 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-23 23:46:03,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:46:03,896 INFO L93 Difference]: Finished difference Result 3022 states and 4063 transitions. [2024-11-23 23:46:03,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 23:46:03,901 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 8.235294117647058) internal successors, (140), 19 states have internal predecessors, (140), 4 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 326 [2024-11-23 23:46:03,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:46:03,913 INFO L225 Difference]: With dead ends: 3022 [2024-11-23 23:46:03,913 INFO L226 Difference]: Without dead ends: 1517 [2024-11-23 23:46:03,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 665 GetRequests, 642 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2024-11-23 23:46:03,922 INFO L435 NwaCegarLoop]: 870 mSDtfsCounter, 12 mSDsluCounter, 10367 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 11237 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:46:03,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 11237 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:46:03,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2024-11-23 23:46:03,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1517. [2024-11-23 23:46:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1085 states have (on average 1.2820276497695853) internal successors, (1391), 1096 states have internal predecessors, (1391), 323 states have call successors, (323), 109 states have call predecessors, (323), 108 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-23 23:46:04,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2035 transitions. [2024-11-23 23:46:04,004 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2035 transitions. Word has length 326 [2024-11-23 23:46:04,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:46:04,004 INFO L471 AbstractCegarLoop]: Abstraction has 1517 states and 2035 transitions. [2024-11-23 23:46:04,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 8.235294117647058) internal successors, (140), 19 states have internal predecessors, (140), 4 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-23 23:46:04,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2035 transitions. [2024-11-23 23:46:04,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-23 23:46:04,012 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:04,012 INFO L218 NwaCegarLoop]: trace histogram [41, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:46:04,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 23:46:04,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:46:04,213 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:46:04,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:04,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1125253066, now seen corresponding path program 4 times [2024-11-23 23:46:04,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:46:04,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546799856] [2024-11-23 23:46:04,214 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 23:46:04,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:46:04,560 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 23:46:04,560 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:46:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 202 proven. 103 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2024-11-23 23:46:05,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:46:05,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546799856] [2024-11-23 23:46:05,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546799856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:46:05,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542346802] [2024-11-23 23:46:05,918 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 23:46:05,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:46:05,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:46:05,923 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:46:05,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 23:46:16,152 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 23:46:16,153 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:46:16,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 2675 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-23 23:46:16,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:46:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 1184 proven. 10 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2024-11-23 23:46:16,304 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:46:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 140 proven. 165 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2024-11-23 23:46:16,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542346802] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:46:16,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:46:16,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2024-11-23 23:46:16,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234314795] [2024-11-23 23:46:16,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:46:16,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-23 23:46:16,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:46:16,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-23 23:46:16,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:46:16,940 INFO L87 Difference]: Start difference. First operand 1517 states and 2035 transitions. Second operand has 22 states, 20 states have (on average 7.6) internal successors, (152), 22 states have internal predecessors, (152), 4 states have call successors, (44), 2 states have call predecessors, (44), 6 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2024-11-23 23:46:17,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:46:17,518 INFO L93 Difference]: Finished difference Result 3020 states and 4062 transitions. [2024-11-23 23:46:17,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 23:46:17,519 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 7.6) internal successors, (152), 22 states have internal predecessors, (152), 4 states have call successors, (44), 2 states have call predecessors, (44), 6 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 336 [2024-11-23 23:46:17,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:46:17,532 INFO L225 Difference]: With dead ends: 3020 [2024-11-23 23:46:17,532 INFO L226 Difference]: Without dead ends: 1518 [2024-11-23 23:46:17,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 659 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=161, Invalid=595, Unknown=0, NotChecked=0, Total=756 [2024-11-23 23:46:17,540 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 12 mSDsluCounter, 12085 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 12952 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:46:17,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 12952 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:46:17,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2024-11-23 23:46:17,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1518. [2024-11-23 23:46:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 1086 states have (on average 1.2808471454880295) internal successors, (1391), 1097 states have internal predecessors, (1391), 323 states have call successors, (323), 109 states have call predecessors, (323), 108 states have return successors, (321), 317 states have call predecessors, (321), 321 states have call successors, (321) [2024-11-23 23:46:17,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2035 transitions. [2024-11-23 23:46:17,618 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2035 transitions. Word has length 336 [2024-11-23 23:46:17,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:46:17,618 INFO L471 AbstractCegarLoop]: Abstraction has 1518 states and 2035 transitions. [2024-11-23 23:46:17,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 7.6) internal successors, (152), 22 states have internal predecessors, (152), 4 states have call successors, (44), 2 states have call predecessors, (44), 6 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2024-11-23 23:46:17,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2035 transitions. [2024-11-23 23:46:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-23 23:46:17,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:17,627 INFO L218 NwaCegarLoop]: trace histogram [47, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:46:17,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-23 23:46:17,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:46:17,828 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:46:17,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:17,829 INFO L85 PathProgramCache]: Analyzing trace with hash -817371330, now seen corresponding path program 5 times [2024-11-23 23:46:17,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:46:17,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798062009] [2024-11-23 23:46:17,829 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 23:46:17,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:46:18,151 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-23 23:46:18,151 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:46:18,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1928 trivial. 0 not checked. [2024-11-23 23:46:18,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:46:18,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798062009] [2024-11-23 23:46:18,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798062009] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:46:18,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141876982] [2024-11-23 23:46:18,865 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 23:46:18,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:46:18,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:46:18,868 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:46:18,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 23:46:21,833 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-23 23:46:21,833 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:46:21,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-23 23:46:21,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:46:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 688 proven. 15 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2024-11-23 23:46:22,005 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:46:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1928 trivial. 0 not checked. [2024-11-23 23:46:22,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141876982] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:46:22,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:46:22,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-11-23 23:46:22,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076167875] [2024-11-23 23:46:22,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:46:22,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-23 23:46:22,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:46:22,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-23 23:46:22,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2024-11-23 23:46:22,705 INFO L87 Difference]: Start difference. First operand 1518 states and 2035 transitions. Second operand has 25 states, 23 states have (on average 6.695652173913044) internal successors, (154), 25 states have internal predecessors, (154), 4 states have call successors, (47), 2 states have call predecessors, (47), 6 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2024-11-23 23:46:23,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:46:23,395 INFO L93 Difference]: Finished difference Result 3021 states and 4057 transitions. [2024-11-23 23:46:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 23:46:23,396 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 6.695652173913044) internal successors, (154), 25 states have internal predecessors, (154), 4 states have call successors, (47), 2 states have call predecessors, (47), 6 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 342 [2024-11-23 23:46:23,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:46:23,402 INFO L225 Difference]: With dead ends: 3021 [2024-11-23 23:46:23,402 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:46:23,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 669 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2024-11-23 23:46:23,413 INFO L435 NwaCegarLoop]: 866 mSDtfsCounter, 11 mSDsluCounter, 13795 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 14661 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:46:23,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 14661 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:46:23,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:46:23,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:46:23,414 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) [2024-11-23 23:46:23,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:46:23,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2024-11-23 23:46:23,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:46:23,418 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:46:23,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 6.695652173913044) internal successors, (154), 25 states have internal predecessors, (154), 4 states have call successors, (47), 2 states have call predecessors, (47), 6 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2024-11-23 23:46:23,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:46:23,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:46:23,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:46:23,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-23 23:46:23,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:46:23,629 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:46:23,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:46:27,229 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:46:27,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:46:27 BoogieIcfgContainer [2024-11-23 23:46:27,256 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:46:27,257 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:46:27,257 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:46:27,257 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:46:27,258 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:45:32" (3/4) ... [2024-11-23 23:46:27,264 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure md_register_thread [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dlm_lock_sync [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure md_unregister_thread [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure lockres_free [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure resync_send [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irq [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure lockres_init [2024-11-23 23:46:27,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dlm_release_lockspace [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_comm [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure constant_test_bit [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unlock_comm [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure resync_info_update [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_completion [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-11-23 23:46:27,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irq [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure md_wakeup_thread [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __sendmsg [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure set_bit [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_copy_from_slot [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pretty_uuid [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-11-23 23:46:27,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2024-11-23 23:46:27,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendmsg [2024-11-23 23:46:27,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure complete [2024-11-23 23:46:27,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dlm_unlock_sync [2024-11-23 23:46:27,304 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 282 nodes and edges [2024-11-23 23:46:27,307 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2024-11-23 23:46:27,309 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2024-11-23 23:46:27,312 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-23 23:46:27,314 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-23 23:46:27,317 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 23:46:27,319 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:46:27,566 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:46:27,566 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:46:27,566 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:46:27,567 INFO L158 Benchmark]: Toolchain (without parser) took 62182.28ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 76.2MB in the beginning and 97.8MB in the end (delta: -21.6MB). Peak memory consumption was 228.3MB. Max. memory is 16.1GB. [2024-11-23 23:46:27,568 INFO L158 Benchmark]: CDTParser took 2.78ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:46:27,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2295.72ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 76.2MB in the beginning and 205.2MB in the end (delta: -129.0MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2024-11-23 23:46:27,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.42ms. Allocated memory is still 310.4MB. Free memory was 205.2MB in the beginning and 195.1MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:46:27,569 INFO L158 Benchmark]: Boogie Preprocessor took 511.93ms. Allocated memory is still 310.4MB. Free memory was 195.1MB in the beginning and 138.7MB in the end (delta: 56.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-23 23:46:27,570 INFO L158 Benchmark]: RCFGBuilder took 3973.83ms. Allocated memory is still 310.4MB. Free memory was 138.7MB in the beginning and 89.3MB in the end (delta: 49.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-23 23:46:27,570 INFO L158 Benchmark]: TraceAbstraction took 54899.78ms. Allocated memory was 310.4MB in the beginning and 369.1MB in the end (delta: 58.7MB). Free memory was 89.3MB in the beginning and 122.8MB in the end (delta: -33.5MB). Peak memory consumption was 108.0MB. Max. memory is 16.1GB. [2024-11-23 23:46:27,570 INFO L158 Benchmark]: Witness Printer took 309.71ms. Allocated memory is still 369.1MB. Free memory was 122.8MB in the beginning and 97.8MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:46:27,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.78ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2295.72ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 76.2MB in the beginning and 205.2MB in the end (delta: -129.0MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.42ms. Allocated memory is still 310.4MB. Free memory was 205.2MB in the beginning and 195.1MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 511.93ms. Allocated memory is still 310.4MB. Free memory was 195.1MB in the beginning and 138.7MB in the end (delta: 56.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3973.83ms. Allocated memory is still 310.4MB. Free memory was 138.7MB in the beginning and 89.3MB in the end (delta: 49.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 54899.78ms. Allocated memory was 310.4MB in the beginning and 369.1MB in the end (delta: 58.7MB). Free memory was 89.3MB in the beginning and 122.8MB in the end (delta: -33.5MB). Peak memory consumption was 108.0MB. Max. memory is 16.1GB. * Witness Printer took 309.71ms. Allocated memory is still 369.1MB. Free memory was 122.8MB in the beginning and 97.8MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 4160]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4160] - GenericResultAtLocation [Line: 4167]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4167] - GenericResultAtLocation [Line: 4182]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4182] * 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: 5816]: 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 58 procedures, 729 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.2s, OverallIterations: 14, TraceHistogramMax: 47, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.2s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2740 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2731 mSDsluCounter, 76142 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63835 mSDsCounter, 143 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1742 IncrementalHoareTripleChecker+Invalid, 1885 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 143 mSolverCounterUnsat, 12307 mSDtfsCounter, 1742 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3831 GetRequests, 3691 SyntacticMatches, 3 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2387occurred in iteration=6, InterpolantAutomatonStates: 114, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.4s SsaConstructionTime, 19.8s SatisfiabilityAnalysisTime, 14.2s InterpolantComputationTime, 5971 NumberOfCodeBlocks, 5141 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 7571 ConstructedInterpolants, 0 QuantifiedInterpolants, 8751 SizeOfPredicates, 16 NumberOfNonLiveVariables, 12948 ConjunctsInSsa, 180 ConjunctsInUnsatCore, 26 InterpolantComputations, 9 PerfectInterpolantSequences, 29102/30677 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: 5034]: Location Invariant Derived location invariant: (ldv_retval_0 == 0) - InvariantResult [Line: 5187]: Loop Invariant Derived loop invariant: (ldv_retval_0 == 0) - InvariantResult [Line: 4539]: Loop Invariant Derived loop invariant: (ldv_retval_0 == 0) - InvariantResult [Line: 4543]: Loop Invariant Derived loop invariant: (ldv_retval_0 == 0) - InvariantResult [Line: 5345]: Location Invariant Derived location invariant: (ldv_retval_0 == 0) - InvariantResult [Line: 5041]: Loop Invariant Derived loop invariant: (ldv_retval_0 == 0) RESULT: Ultimate proved your program to be correct! [2024-11-23 23:46:27,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53fa8089-ba57-42a2-b0ae-9e4257a13a40/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE