./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/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_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:10:01,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:10:01,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 05:10:01,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:10:01,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:10:01,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:10:01,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:10:01,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:10:01,790 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:10:01,791 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:10:01,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:10:01,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:10:01,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:10:01,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:10:01,792 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:10:01,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:10:01,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:10:01,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:10:01,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:10:01,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:10:01,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:10:01,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:10:01,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:10:01,793 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:10:01,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:10:01,793 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:10:01,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:10:01,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:10:01,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:10:01,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:10:01,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:10:01,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:10:01,794 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:10:01,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:10:01,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:10:01,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:10:01,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:10:01,794 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:10:01,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:10:01,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:10:01,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:10:01,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:10:01,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:10:01,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:10:01,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:10:01,796 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_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2024-11-28 05:10:02,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:10:02,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:10:02,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:10:02,146 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:10:02,146 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:10:02,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-11-28 05:10:05,062 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/data/6394f6c31/46428e57cf8a4a60856b6411339cc76c/FLAG186d55d1c [2024-11-28 05:10:05,675 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:10:05,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-11-28 05:10:05,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/data/6394f6c31/46428e57cf8a4a60856b6411339cc76c/FLAG186d55d1c [2024-11-28 05:10:05,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/data/6394f6c31/46428e57cf8a4a60856b6411339cc76c [2024-11-28 05:10:05,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:10:05,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:10:05,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:10:05,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:10:05,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:10:05,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:05" (1/1) ... [2024-11-28 05:10:05,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730eeaa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:05, skipping insertion in model container [2024-11-28 05:10:05,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:05" (1/1) ... [2024-11-28 05:10:05,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:10:07,038 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_39631022-90af-4c94-8caf-ae864ff97792/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] [2024-11-28 05:10:07,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:10:07,101 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:10:07,267 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] [2024-11-28 05:10:07,269 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] [2024-11-28 05:10:07,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4182] [2024-11-28 05:10:07,570 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_39631022-90af-4c94-8caf-ae864ff97792/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] [2024-11-28 05:10:07,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:10:07,687 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:10:07,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07 WrapperNode [2024-11-28 05:10:07,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:10:07,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:10:07,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:10:07,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:10:07,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (1/1) ... [2024-11-28 05:10:07,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (1/1) ... [2024-11-28 05:10:07,863 INFO L138 Inliner]: procedures = 151, calls = 825, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1833 [2024-11-28 05:10:07,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:10:07,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:10:07,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:10:07,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:10:07,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (1/1) ... [2024-11-28 05:10:07,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (1/1) ... [2024-11-28 05:10:07,898 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (1/1) ... [2024-11-28 05:10:08,176 INFO L175 MemorySlicer]: Split 277 memory accesses to 11 slices as follows [2, 8, 1, 2, 16, 3, 23, 16, 170, 12, 24]. 61 percent of accesses are in the largest equivalence class. The 51 initializations are split as follows [2, 8, 0, 0, 16, 3, 0, 0, 4, 0, 18]. The 81 writes are split as follows [0, 0, 0, 0, 0, 0, 16, 16, 42, 1, 6]. [2024-11-28 05:10:08,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (1/1) ... [2024-11-28 05:10:08,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (1/1) ... [2024-11-28 05:10:08,272 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (1/1) ... [2024-11-28 05:10:08,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (1/1) ... [2024-11-28 05:10:08,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (1/1) ... [2024-11-28 05:10:08,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (1/1) ... [2024-11-28 05:10:08,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (1/1) ... [2024-11-28 05:10:08,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:10:08,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:10:08,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:10:08,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:10:08,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (1/1) ... [2024-11-28 05:10:08,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:10:08,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:08,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:10:08,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:10:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2024-11-28 05:10:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2024-11-28 05:10:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2024-11-28 05:10:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2024-11-28 05:10:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 05:10:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 05:10:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 05:10:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 05:10:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 05:10:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 05:10:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 05:10:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 05:10:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 05:10:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 05:10:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 05:10:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 05:10:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 05:10:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 05:10:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 05:10:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2024-11-28 05:10:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2024-11-28 05:10:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2024-11-28 05:10:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2024-11-28 05:10:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 05:10:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 05:10:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 05:10:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 05:10:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 05:10:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 05:10:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 05:10:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 05:10:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 05:10:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 05:10:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 05:10:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 05:10:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 05:10:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 05:10:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 05:10:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 05:10:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 05:10:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 05:10:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 05:10:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 05:10:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 05:10:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 05:10:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 05:10:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 05:10:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-28 05:10:08,421 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-28 05:10:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-11-28 05:10:08,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-11-28 05:10:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 05:10:08,421 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 05:10:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-28 05:10:08,422 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-28 05:10:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:10:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:10:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 05:10:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 05:10:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 05:10:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 05:10:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 05:10:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 05:10:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 05:10:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 05:10:08,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-28 05:10:08,424 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2024-11-28 05:10:08,424 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-28 05:10:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-28 05:10:08,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 05:10:08,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 05:10:08,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-28 05:10:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2024-11-28 05:10:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 05:10:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:10:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 05:10:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-28 05:10:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-28 05:10:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2024-11-28 05:10:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2024-11-28 05:10:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:10:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2024-11-28 05:10:08,426 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2024-11-28 05:10:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-28 05:10:08,426 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-28 05:10:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:10:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 05:10:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 05:10:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 05:10:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 05:10:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 05:10:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 05:10:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 05:10:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 05:10:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 05:10:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 05:10:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 05:10:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2024-11-28 05:10:08,431 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2024-11-28 05:10:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-28 05:10:08,431 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-28 05:10:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2024-11-28 05:10:08,431 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2024-11-28 05:10:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 05:10:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2024-11-28 05:10:08,432 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-28 05:10:08,432 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 05:10:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2024-11-28 05:10:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 05:10:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 05:10:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2024-11-28 05:10:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-28 05:10:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 05:10:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 05:10:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 05:10:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 05:10:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 05:10:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2024-11-28 05:10:08,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2024-11-28 05:10:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 05:10:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 05:10:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 05:10:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 05:10:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 05:10:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 05:10:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 05:10:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 05:10:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 05:10:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 05:10:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 05:10:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:10:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:10:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2024-11-28 05:10:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2024-11-28 05:10:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2024-11-28 05:10:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2024-11-28 05:10:09,097 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:10:09,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:10:09,329 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 05:10:11,773 INFO L? ?]: Removed 919 outVars from TransFormulas that were not future-live. [2024-11-28 05:10:11,773 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:10:11,810 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:10:11,813 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 05:10:11,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:10:11 BoogieIcfgContainer [2024-11-28 05:10:11,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:10:11,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:10:11,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:10:11,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:10:11,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:10:05" (1/3) ... [2024-11-28 05:10:11,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4882e6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:10:11, skipping insertion in model container [2024-11-28 05:10:11,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:07" (2/3) ... [2024-11-28 05:10:11,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4882e6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:10:11, skipping insertion in model container [2024-11-28 05:10:11,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:10:11" (3/3) ... [2024-11-28 05:10:11,829 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-11-28 05:10:11,844 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:10:11,846 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. [2024-11-28 05:10:11,926 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:10:11,941 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;@e9c0621, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:10:11,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:10:11,950 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) [2024-11-28 05:10:11,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-28 05:10:11,971 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:11,972 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] [2024-11-28 05:10:11,972 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:11,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:11,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1853914556, now seen corresponding path program 1 times [2024-11-28 05:10:11,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:11,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796276977] [2024-11-28 05:10:11,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:11,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2024-11-28 05:10:12,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:12,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796276977] [2024-11-28 05:10:12,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796276977] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:12,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888971228] [2024-11-28 05:10:12,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:12,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:12,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:12,724 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:12,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:10:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:13,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:10:13,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2024-11-28 05:10:13,664 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:10:13,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888971228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:13,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:10:13,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 05:10:13,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749444058] [2024-11-28 05:10:13,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:13,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:10:13,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:13,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:10:13,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:10:13,703 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) [2024-11-28 05:10:13,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:13,819 INFO L93 Difference]: Finished difference Result 1305 states and 1832 transitions. [2024-11-28 05:10:13,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:10:13,821 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 [2024-11-28 05:10:13,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:13,836 INFO L225 Difference]: With dead ends: 1305 [2024-11-28 05:10:13,837 INFO L226 Difference]: Without dead ends: 644 [2024-11-28 05:10:13,848 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 [2024-11-28 05:10:13,851 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 [2024-11-28 05:10:13,852 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] [2024-11-28 05:10:13,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-28 05:10:13,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 644. [2024-11-28 05:10:13,943 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) [2024-11-28 05:10:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 885 transitions. [2024-11-28 05:10:13,958 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 885 transitions. Word has length 184 [2024-11-28 05:10:13,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:13,958 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 885 transitions. [2024-11-28 05:10:13,959 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) [2024-11-28 05:10:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 885 transitions. [2024-11-28 05:10:13,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-28 05:10:13,963 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:13,963 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] [2024-11-28 05:10:13,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:10:14,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 05:10:14,167 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:14,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:14,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1724811070, now seen corresponding path program 1 times [2024-11-28 05:10:14,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:14,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924087672] [2024-11-28 05:10:14,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:14,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:14,937 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2024-11-28 05:10:14,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:14,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924087672] [2024-11-28 05:10:14,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924087672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:14,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:14,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:10:14,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163827075] [2024-11-28 05:10:14,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:14,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:10:14,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:14,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:10:14,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:14,944 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) [2024-11-28 05:10:15,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:15,328 INFO L93 Difference]: Finished difference Result 1822 states and 2511 transitions. [2024-11-28 05:10:15,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:10:15,329 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 [2024-11-28 05:10:15,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:15,340 INFO L225 Difference]: With dead ends: 1822 [2024-11-28 05:10:15,340 INFO L226 Difference]: Without dead ends: 1218 [2024-11-28 05:10:15,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:15,344 INFO L435 NwaCegarLoop]: 886 mSDtfsCounter, 795 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:15,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 1751 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:10:15,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2024-11-28 05:10:15,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1215. [2024-11-28 05:10:15,432 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) [2024-11-28 05:10:15,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1675 transitions. [2024-11-28 05:10:15,449 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1675 transitions. Word has length 184 [2024-11-28 05:10:15,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:15,452 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1675 transitions. [2024-11-28 05:10:15,453 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) [2024-11-28 05:10:15,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1675 transitions. [2024-11-28 05:10:15,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 05:10:15,463 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:15,463 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] [2024-11-28 05:10:15,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:10:15,464 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:15,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:15,464 INFO L85 PathProgramCache]: Analyzing trace with hash 501364210, now seen corresponding path program 1 times [2024-11-28 05:10:15,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:15,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590478929] [2024-11-28 05:10:15,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:15,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:16,044 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-28 05:10:16,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:16,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590478929] [2024-11-28 05:10:16,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590478929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:16,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:16,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:10:16,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451447574] [2024-11-28 05:10:16,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:16,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:10:16,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:16,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:10:16,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:10:16,048 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) [2024-11-28 05:10:16,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:16,195 INFO L93 Difference]: Finished difference Result 2389 states and 3294 transitions. [2024-11-28 05:10:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:10:16,196 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 [2024-11-28 05:10:16,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:16,210 INFO L225 Difference]: With dead ends: 2389 [2024-11-28 05:10:16,211 INFO L226 Difference]: Without dead ends: 1214 [2024-11-28 05:10:16,217 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 [2024-11-28 05:10:16,220 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 [2024-11-28 05:10:16,221 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] [2024-11-28 05:10:16,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2024-11-28 05:10:16,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1214. [2024-11-28 05:10:16,313 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) [2024-11-28 05:10:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1671 transitions. [2024-11-28 05:10:16,330 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1671 transitions. Word has length 197 [2024-11-28 05:10:16,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:16,331 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1671 transitions. [2024-11-28 05:10:16,332 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) [2024-11-28 05:10:16,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1671 transitions. [2024-11-28 05:10:16,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-28 05:10:16,339 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:16,339 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] [2024-11-28 05:10:16,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:10:16,340 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:16,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:16,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1026196565, now seen corresponding path program 1 times [2024-11-28 05:10:16,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:16,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973562808] [2024-11-28 05:10:16,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:16,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:16,825 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2024-11-28 05:10:16,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:16,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973562808] [2024-11-28 05:10:16,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973562808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:16,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:16,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:10:16,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468589473] [2024-11-28 05:10:16,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:16,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:10:16,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:16,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:10:16,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:16,828 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) [2024-11-28 05:10:17,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:17,005 INFO L93 Difference]: Finished difference Result 3559 states and 4904 transitions. [2024-11-28 05:10:17,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:10:17,005 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 [2024-11-28 05:10:17,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:17,031 INFO L225 Difference]: With dead ends: 3559 [2024-11-28 05:10:17,032 INFO L226 Difference]: Without dead ends: 2381 [2024-11-28 05:10:17,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:17,039 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 [2024-11-28 05:10:17,040 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] [2024-11-28 05:10:17,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2024-11-28 05:10:17,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2377. [2024-11-28 05:10:17,252 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) [2024-11-28 05:10:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2377 states and 3275 transitions. [2024-11-28 05:10:17,279 INFO L78 Accepts]: Start accepts. Automaton has 2377 states and 3275 transitions. Word has length 255 [2024-11-28 05:10:17,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:17,280 INFO L471 AbstractCegarLoop]: Abstraction has 2377 states and 3275 transitions. [2024-11-28 05:10:17,281 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) [2024-11-28 05:10:17,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 3275 transitions. [2024-11-28 05:10:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-28 05:10:17,297 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:17,298 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] [2024-11-28 05:10:17,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:10:17,298 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:17,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:17,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1498942134, now seen corresponding path program 1 times [2024-11-28 05:10:17,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:17,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985221848] [2024-11-28 05:10:17,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:17,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-11-28 05:10:17,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:17,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985221848] [2024-11-28 05:10:17,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985221848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:17,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:17,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:10:17,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333220777] [2024-11-28 05:10:17,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:17,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:10:17,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:17,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:10:17,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:17,711 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) [2024-11-28 05:10:17,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:17,875 INFO L93 Difference]: Finished difference Result 4718 states and 6504 transitions. [2024-11-28 05:10:17,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:10:17,875 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 [2024-11-28 05:10:17,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:17,893 INFO L225 Difference]: With dead ends: 4718 [2024-11-28 05:10:17,893 INFO L226 Difference]: Without dead ends: 2381 [2024-11-28 05:10:17,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:17,905 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 [2024-11-28 05:10:17,905 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] [2024-11-28 05:10:17,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2024-11-28 05:10:18,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2381. [2024-11-28 05:10:18,051 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) [2024-11-28 05:10:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3279 transitions. [2024-11-28 05:10:18,077 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3279 transitions. Word has length 277 [2024-11-28 05:10:18,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:18,079 INFO L471 AbstractCegarLoop]: Abstraction has 2381 states and 3279 transitions. [2024-11-28 05:10:18,079 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) [2024-11-28 05:10:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3279 transitions. [2024-11-28 05:10:18,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-28 05:10:18,091 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:18,091 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] [2024-11-28 05:10:18,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:10:18,091 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:18,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:18,092 INFO L85 PathProgramCache]: Analyzing trace with hash 219078456, now seen corresponding path program 1 times [2024-11-28 05:10:18,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:18,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546360117] [2024-11-28 05:10:18,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:18,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-11-28 05:10:19,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:19,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546360117] [2024-11-28 05:10:19,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546360117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:19,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:19,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:10:19,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163826688] [2024-11-28 05:10:19,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:19,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:10:19,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:19,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:10:19,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:10:19,828 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) [2024-11-28 05:10:20,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:20,016 INFO L93 Difference]: Finished difference Result 3563 states and 4906 transitions. [2024-11-28 05:10:20,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:10:20,016 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 [2024-11-28 05:10:20,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:20,035 INFO L225 Difference]: With dead ends: 3563 [2024-11-28 05:10:20,035 INFO L226 Difference]: Without dead ends: 2387 [2024-11-28 05:10:20,042 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 [2024-11-28 05:10:20,043 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 [2024-11-28 05:10:20,043 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] [2024-11-28 05:10:20,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2024-11-28 05:10:20,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2387. [2024-11-28 05:10:20,244 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) [2024-11-28 05:10:20,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3285 transitions. [2024-11-28 05:10:20,269 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3285 transitions. Word has length 277 [2024-11-28 05:10:20,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:20,270 INFO L471 AbstractCegarLoop]: Abstraction has 2387 states and 3285 transitions. [2024-11-28 05:10:20,270 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) [2024-11-28 05:10:20,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3285 transitions. [2024-11-28 05:10:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-28 05:10:20,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:20,284 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] [2024-11-28 05:10:20,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:10:20,284 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:20,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:20,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1228555517, now seen corresponding path program 1 times [2024-11-28 05:10:20,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:20,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918389956] [2024-11-28 05:10:20,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:20,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-28 05:10:20,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:20,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918389956] [2024-11-28 05:10:20,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918389956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:20,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:20,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:10:20,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758845122] [2024-11-28 05:10:20,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:20,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:10:20,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:20,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:10:20,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:20,633 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) [2024-11-28 05:10:20,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:20,876 INFO L93 Difference]: Finished difference Result 3848 states and 5253 transitions. [2024-11-28 05:10:20,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:10:20,877 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 [2024-11-28 05:10:20,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:20,891 INFO L225 Difference]: With dead ends: 3848 [2024-11-28 05:10:20,891 INFO L226 Difference]: Without dead ends: 1501 [2024-11-28 05:10:20,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:10:20,902 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 [2024-11-28 05:10:20,903 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] [2024-11-28 05:10:20,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2024-11-28 05:10:20,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1490. [2024-11-28 05:10:21,001 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) [2024-11-28 05:10:21,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2009 transitions. [2024-11-28 05:10:21,016 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2009 transitions. Word has length 278 [2024-11-28 05:10:21,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:21,016 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2009 transitions. [2024-11-28 05:10:21,016 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) [2024-11-28 05:10:21,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2009 transitions. [2024-11-28 05:10:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-28 05:10:21,023 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:21,024 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] [2024-11-28 05:10:21,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:10:21,024 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:21,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:21,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1616874079, now seen corresponding path program 1 times [2024-11-28 05:10:21,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:21,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704332190] [2024-11-28 05:10:21,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:21,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:21,866 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-11-28 05:10:21,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:21,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704332190] [2024-11-28 05:10:21,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704332190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:21,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:10:21,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:10:21,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114890589] [2024-11-28 05:10:21,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:21,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:10:21,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:21,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:10:21,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:10:21,868 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) [2024-11-28 05:10:22,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:22,022 INFO L93 Difference]: Finished difference Result 2890 states and 3921 transitions. [2024-11-28 05:10:22,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:10:22,023 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 [2024-11-28 05:10:22,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:22,035 INFO L225 Difference]: With dead ends: 2890 [2024-11-28 05:10:22,035 INFO L226 Difference]: Without dead ends: 1490 [2024-11-28 05:10:22,041 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 [2024-11-28 05:10:22,042 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 [2024-11-28 05:10:22,043 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] [2024-11-28 05:10:22,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2024-11-28 05:10:22,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1490. [2024-11-28 05:10:22,191 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) [2024-11-28 05:10:22,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2007 transitions. [2024-11-28 05:10:22,209 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2007 transitions. Word has length 293 [2024-11-28 05:10:22,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:22,210 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2007 transitions. [2024-11-28 05:10:22,211 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) [2024-11-28 05:10:22,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2007 transitions. [2024-11-28 05:10:22,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-28 05:10:22,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:22,219 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] [2024-11-28 05:10:22,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:10:22,220 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:22,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:22,220 INFO L85 PathProgramCache]: Analyzing trace with hash 12144676, now seen corresponding path program 1 times [2024-11-28 05:10:22,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:22,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263896828] [2024-11-28 05:10:22,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:22,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2024-11-28 05:10:23,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:23,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263896828] [2024-11-28 05:10:23,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263896828] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:23,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596266655] [2024-11-28 05:10:23,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:23,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:23,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:23,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:23,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:10:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:24,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 2060 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 05:10:24,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2024-11-28 05:10:24,836 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:10:24,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596266655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:10:24,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:10:24,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2024-11-28 05:10:24,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743534793] [2024-11-28 05:10:24,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:10:24,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:10:24,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:24,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:10:24,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:10:24,841 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) [2024-11-28 05:10:25,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:25,107 INFO L93 Difference]: Finished difference Result 2976 states and 4017 transitions. [2024-11-28 05:10:25,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:10:25,108 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 [2024-11-28 05:10:25,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:25,124 INFO L225 Difference]: With dead ends: 2976 [2024-11-28 05:10:25,125 INFO L226 Difference]: Without dead ends: 1491 [2024-11-28 05:10:25,131 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 [2024-11-28 05:10:25,131 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:25,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4312 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:10:25,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2024-11-28 05:10:25,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1491. [2024-11-28 05:10:25,217 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) [2024-11-28 05:10:25,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 2008 transitions. [2024-11-28 05:10:25,232 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 2008 transitions. Word has length 295 [2024-11-28 05:10:25,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:25,232 INFO L471 AbstractCegarLoop]: Abstraction has 1491 states and 2008 transitions. [2024-11-28 05:10:25,233 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) [2024-11-28 05:10:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2008 transitions. [2024-11-28 05:10:25,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-28 05:10:25,240 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:25,240 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] [2024-11-28 05:10:25,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:10:25,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-28 05:10:25,445 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:25,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:25,445 INFO L85 PathProgramCache]: Analyzing trace with hash -31844848, now seen corresponding path program 1 times [2024-11-28 05:10:25,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:25,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269540361] [2024-11-28 05:10:25,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:25,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-11-28 05:10:26,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:26,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269540361] [2024-11-28 05:10:26,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269540361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:26,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987581293] [2024-11-28 05:10:26,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:10:26,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:26,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:26,689 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:26,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:10:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:10:28,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 2225 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 05:10:28,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 521 proven. 6 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2024-11-28 05:10:28,198 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 60 proven. 41 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-11-28 05:10:28,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987581293] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:10:28,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:10:28,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-28 05:10:28,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066887018] [2024-11-28 05:10:28,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:28,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:10:28,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:28,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:10:28,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:10:28,793 INFO L87 Difference]: Start difference. First operand 1491 states and 2008 transitions. Second operand has 14 states, 12 states have (on average 12.333333333333334) internal successors, (148), 14 states have internal predecessors, (148), 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) [2024-11-28 05:10:29,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:29,367 INFO L93 Difference]: Finished difference Result 2994 states and 4040 transitions. [2024-11-28 05:10:29,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:10:29,368 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 12.333333333333334) internal successors, (148), 14 states have internal predecessors, (148), 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 306 [2024-11-28 05:10:29,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:29,380 INFO L225 Difference]: With dead ends: 2994 [2024-11-28 05:10:29,380 INFO L226 Difference]: Without dead ends: 1513 [2024-11-28 05:10:29,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2024-11-28 05:10:29,388 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 17 mSDsluCounter, 5172 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 6039 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:29,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 6039 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:10:29,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2024-11-28 05:10:29,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1513. [2024-11-28 05:10:29,489 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) [2024-11-28 05:10:29,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2031 transitions. [2024-11-28 05:10:29,506 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2031 transitions. Word has length 306 [2024-11-28 05:10:29,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:29,508 INFO L471 AbstractCegarLoop]: Abstraction has 1513 states and 2031 transitions. [2024-11-28 05:10:29,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 12.333333333333334) internal successors, (148), 14 states have internal predecessors, (148), 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) [2024-11-28 05:10:29,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2031 transitions. [2024-11-28 05:10:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-28 05:10:29,524 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:29,525 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] [2024-11-28 05:10:29,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 05:10:29,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:29,730 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:29,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:29,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1736876042, now seen corresponding path program 2 times [2024-11-28 05:10:29,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:29,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089374188] [2024-11-28 05:10:29,731 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:10:29,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:30,075 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:10:30,075 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:31,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2024-11-28 05:10:31,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:31,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089374188] [2024-11-28 05:10:31,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089374188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:31,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409237542] [2024-11-28 05:10:31,130 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:10:31,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:31,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:31,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:31,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:10:33,684 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:10:33,684 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:33,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 2375 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-28 05:10:33,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:33,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 416 proven. 3 refuted. 0 times theorem prover too weak. 739 trivial. 0 not checked. [2024-11-28 05:10:33,817 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2024-11-28 05:10:34,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409237542] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:10:34,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:10:34,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-11-28 05:10:34,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967803955] [2024-11-28 05:10:34,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:34,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:10:34,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:34,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:10:34,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:10:34,444 INFO L87 Difference]: Start difference. First operand 1513 states and 2031 transitions. Second operand has 16 states, 14 states have (on average 10.285714285714286) internal successors, (144), 16 states have internal predecessors, (144), 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) [2024-11-28 05:10:34,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:34,943 INFO L93 Difference]: Finished difference Result 3018 states and 4059 transitions. [2024-11-28 05:10:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:10:34,944 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 10.285714285714286) internal successors, (144), 16 states have internal predecessors, (144), 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 316 [2024-11-28 05:10:34,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:34,956 INFO L225 Difference]: With dead ends: 3018 [2024-11-28 05:10:34,956 INFO L226 Difference]: Without dead ends: 1515 [2024-11-28 05:10:34,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2024-11-28 05:10:34,963 INFO L435 NwaCegarLoop]: 870 mSDtfsCounter, 12 mSDsluCounter, 6907 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7777 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:34,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7777 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:10:34,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2024-11-28 05:10:35,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2024-11-28 05:10:35,036 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) [2024-11-28 05:10:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 2033 transitions. [2024-11-28 05:10:35,050 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 2033 transitions. Word has length 316 [2024-11-28 05:10:35,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:35,050 INFO L471 AbstractCegarLoop]: Abstraction has 1515 states and 2033 transitions. [2024-11-28 05:10:35,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 10.285714285714286) internal successors, (144), 16 states have internal predecessors, (144), 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) [2024-11-28 05:10:35,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2033 transitions. [2024-11-28 05:10:35,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-28 05:10:35,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:35,057 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] [2024-11-28 05:10:35,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 05:10:35,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:35,258 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:35,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:35,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1368608048, now seen corresponding path program 3 times [2024-11-28 05:10:35,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:35,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458744811] [2024-11-28 05:10:35,259 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:10:35,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:35,712 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 05:10:35,713 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 212 proven. 6 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2024-11-28 05:10:36,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:36,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458744811] [2024-11-28 05:10:36,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458744811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:36,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661401577] [2024-11-28 05:10:36,304 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:10:36,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:36,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:36,306 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:36,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 05:10:40,965 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-28 05:10:40,965 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:40,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 05:10:40,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:41,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 338 proven. 6 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2024-11-28 05:10:41,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 212 proven. 6 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2024-11-28 05:10:41,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661401577] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:10:41,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:10:41,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-11-28 05:10:41,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712155695] [2024-11-28 05:10:41,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:41,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 05:10:41,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:41,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 05:10:41,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:10:41,703 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, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2024-11-28 05:10:42,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:42,289 INFO L93 Difference]: Finished difference Result 3022 states and 4063 transitions. [2024-11-28 05:10:42,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:10:42,290 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, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) Word has length 326 [2024-11-28 05:10:42,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:42,303 INFO L225 Difference]: With dead ends: 3022 [2024-11-28 05:10:42,303 INFO L226 Difference]: Without dead ends: 1517 [2024-11-28 05:10:42,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 665 GetRequests, 642 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:10:42,312 INFO L435 NwaCegarLoop]: 870 mSDtfsCounter, 14 mSDsluCounter, 9524 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 10394 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:42,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 10394 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:10:42,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2024-11-28 05:10:42,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1517. [2024-11-28 05:10:42,382 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) [2024-11-28 05:10:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2035 transitions. [2024-11-28 05:10:42,397 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2035 transitions. Word has length 326 [2024-11-28 05:10:42,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:42,397 INFO L471 AbstractCegarLoop]: Abstraction has 1517 states and 2035 transitions. [2024-11-28 05:10:42,398 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, (37), 4 states have call predecessors, (37), 4 states have call successors, (37) [2024-11-28 05:10:42,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2035 transitions. [2024-11-28 05:10:42,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-28 05:10:42,406 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:42,406 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] [2024-11-28 05:10:42,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 05:10:42,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:42,608 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:42,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:42,608 INFO L85 PathProgramCache]: Analyzing trace with hash 470830390, now seen corresponding path program 4 times [2024-11-28 05:10:42,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:42,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421396159] [2024-11-28 05:10:42,609 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:10:42,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:42,954 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:10:42,954 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:44,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 202 proven. 103 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2024-11-28 05:10:44,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:44,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421396159] [2024-11-28 05:10:44,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421396159] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:44,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526437529] [2024-11-28 05:10:44,225 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:10:44,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:44,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:44,227 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:44,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 05:10:47,273 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:10:47,273 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:47,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 2675 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 05:10:47,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:47,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 1182 proven. 12 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2024-11-28 05:10:47,478 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 140 proven. 165 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2024-11-28 05:10:48,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526437529] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:10:48,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:10:48,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2024-11-28 05:10:48,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692495051] [2024-11-28 05:10:48,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:48,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 05:10:48,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:48,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 05:10:48,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:10:48,173 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) [2024-11-28 05:10:48,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:48,755 INFO L93 Difference]: Finished difference Result 3020 states and 4062 transitions. [2024-11-28 05:10:48,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:10:48,756 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 [2024-11-28 05:10:48,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:48,768 INFO L225 Difference]: With dead ends: 3020 [2024-11-28 05:10:48,768 INFO L226 Difference]: Without dead ends: 1518 [2024-11-28 05:10:48,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 659 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=595, Unknown=0, NotChecked=0, Total=756 [2024-11-28 05:10:48,775 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 13 mSDsluCounter, 9505 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 10372 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:48,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 10372 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:10:48,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2024-11-28 05:10:48,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1518. [2024-11-28 05:10:48,841 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) [2024-11-28 05:10:48,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2035 transitions. [2024-11-28 05:10:48,852 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2035 transitions. Word has length 336 [2024-11-28 05:10:48,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:48,853 INFO L471 AbstractCegarLoop]: Abstraction has 1518 states and 2035 transitions. [2024-11-28 05:10:48,853 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) [2024-11-28 05:10:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2035 transitions. [2024-11-28 05:10:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-28 05:10:48,860 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:10:48,861 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] [2024-11-28 05:10:48,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 05:10:49,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 05:10:49,062 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:10:49,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:10:49,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1983469762, now seen corresponding path program 5 times [2024-11-28 05:10:49,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:10:49,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605500326] [2024-11-28 05:10:49,064 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:10:49,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:10:49,294 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-28 05:10:49,294 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:49,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1928 trivial. 0 not checked. [2024-11-28 05:10:49,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:10:49,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605500326] [2024-11-28 05:10:49,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605500326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:10:49,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113399549] [2024-11-28 05:10:49,952 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:10:49,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:10:49,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:10:49,954 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:10:49,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 05:10:52,449 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-28 05:10:52,449 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:10:52,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-28 05:10:52,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:10:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 688 proven. 15 refuted. 0 times theorem prover too weak. 1612 trivial. 0 not checked. [2024-11-28 05:10:52,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:10:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1928 trivial. 0 not checked. [2024-11-28 05:10:53,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113399549] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:10:53,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:10:53,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-11-28 05:10:53,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708991279] [2024-11-28 05:10:53,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:10:53,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-28 05:10:53,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:10:53,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-28 05:10:53,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:10:53,343 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) [2024-11-28 05:10:53,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:10:53,935 INFO L93 Difference]: Finished difference Result 3021 states and 4057 transitions. [2024-11-28 05:10:53,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 05:10:53,936 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 [2024-11-28 05:10:53,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:10:53,942 INFO L225 Difference]: With dead ends: 3021 [2024-11-28 05:10:53,942 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:10:53,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 669 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=185, Invalid=745, Unknown=0, NotChecked=0, Total=930 [2024-11-28 05:10:53,951 INFO L435 NwaCegarLoop]: 866 mSDtfsCounter, 19 mSDsluCounter, 12087 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 12953 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:10:53,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 12953 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:10:53,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:10:53,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:10:53,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:10:53,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:10:53,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2024-11-28 05:10:53,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:10:53,956 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:10:53,956 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) [2024-11-28 05:10:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:10:53,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:10:53,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:10:53,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 05:10:54,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 05:10:54,164 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:10:54,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 05:10:57,451 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:10:57,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:10:57 BoogieIcfgContainer [2024-11-28 05:10:57,467 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:10:57,468 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:10:57,468 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:10:57,468 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:10:57,469 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:10:11" (3/4) ... [2024-11-28 05:10:57,471 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:10:57,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure md_register_thread [2024-11-28 05:10:57,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-11-28 05:10:57,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dlm_lock_sync [2024-11-28 05:10:57,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-11-28 05:10:57,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure md_unregister_thread [2024-11-28 05:10:57,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure lockres_free [2024-11-28 05:10:57,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-11-28 05:10:57,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-11-28 05:10:57,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-11-28 05:10:57,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion [2024-11-28 05:10:57,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure resync_send [2024-11-28 05:10:57,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-28 05:10:57,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irq [2024-11-28 05:10:57,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2024-11-28 05:10:57,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure lockres_init [2024-11-28 05:10:57,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dlm_release_lockspace [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_comm [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure constant_test_bit [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure unlock_comm [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure resync_info_update [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_completion [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-11-28 05:10:57,485 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irq [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure md_wakeup_thread [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __sendmsg [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure set_bit [2024-11-28 05:10:57,486 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bitmap_copy_from_slot [2024-11-28 05:10:57,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2024-11-28 05:10:57,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 05:10:57,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pretty_uuid [2024-11-28 05:10:57,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-11-28 05:10:57,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-11-28 05:10:57,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-11-28 05:10:57,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-11-28 05:10:57,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-11-28 05:10:57,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-11-28 05:10:57,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2024-11-28 05:10:57,488 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sendmsg [2024-11-28 05:10:57,488 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure complete [2024-11-28 05:10:57,488 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dlm_unlock_sync [2024-11-28 05:10:57,527 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 282 nodes and edges [2024-11-28 05:10:57,531 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2024-11-28 05:10:57,533 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2024-11-28 05:10:57,535 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-28 05:10:57,538 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 05:10:57,540 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 05:10:57,542 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:10:57,805 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:10:57,806 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:10:57,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:10:57,807 INFO L158 Benchmark]: Toolchain (without parser) took 52056.40ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 110.3MB in the beginning and 262.1MB in the end (delta: -151.8MB). Peak memory consumption was 156.9MB. Max. memory is 16.1GB. [2024-11-28 05:10:57,807 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 87.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:10:57,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1936.06ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 81.1MB in the end (delta: 29.0MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. [2024-11-28 05:10:57,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 177.80ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 70.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:10:57,809 INFO L158 Benchmark]: Boogie Preprocessor took 475.92ms. Allocated memory is still 142.6MB. Free memory was 70.8MB in the beginning and 68.7MB in the end (delta: 2.1MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-28 05:10:57,809 INFO L158 Benchmark]: RCFGBuilder took 3469.26ms. Allocated memory was 142.6MB in the beginning and 243.3MB in the end (delta: 100.7MB). Free memory was 68.7MB in the beginning and 132.4MB in the end (delta: -63.7MB). Peak memory consumption was 116.5MB. Max. memory is 16.1GB. [2024-11-28 05:10:57,809 INFO L158 Benchmark]: TraceAbstraction took 45651.44ms. Allocated memory was 243.3MB in the beginning and 453.0MB in the end (delta: 209.7MB). Free memory was 132.4MB in the beginning and 287.1MB in the end (delta: -154.7MB). Peak memory consumption was 249.7MB. Max. memory is 16.1GB. [2024-11-28 05:10:57,810 INFO L158 Benchmark]: Witness Printer took 338.37ms. Allocated memory is still 453.0MB. Free memory was 287.1MB in the beginning and 262.1MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 05:10:57,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 87.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1936.06ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 81.1MB in the end (delta: 29.0MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 177.80ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 70.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 475.92ms. Allocated memory is still 142.6MB. Free memory was 70.8MB in the beginning and 68.7MB in the end (delta: 2.1MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3469.26ms. Allocated memory was 142.6MB in the beginning and 243.3MB in the end (delta: 100.7MB). Free memory was 68.7MB in the beginning and 132.4MB in the end (delta: -63.7MB). Peak memory consumption was 116.5MB. Max. memory is 16.1GB. * TraceAbstraction took 45651.44ms. Allocated memory was 243.3MB in the beginning and 453.0MB in the end (delta: 209.7MB). Free memory was 132.4MB in the beginning and 287.1MB in the end (delta: -154.7MB). Peak memory consumption was 249.7MB. Max. memory is 16.1GB. * Witness Printer took 338.37ms. Allocated memory is still 453.0MB. Free memory was 287.1MB in the beginning and 262.1MB 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: 42.3s, OverallIterations: 14, TraceHistogramMax: 47, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.1s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2750 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2740 mSDsluCounter, 67553 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55246 mSDsCounter, 162 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1517 IncrementalHoareTripleChecker+Invalid, 1679 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 162 mSolverCounterUnsat, 12307 mSDtfsCounter, 1517 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3829 GetRequests, 3692 SyntacticMatches, 2 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2387occurred in iteration=6, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 13.0s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 5971 NumberOfCodeBlocks, 5141 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 7571 ConstructedInterpolants, 0 QuantifiedInterpolants, 8768 SizeOfPredicates, 13 NumberOfNonLiveVariables, 12948 ConjunctsInSsa, 163 ConjunctsInUnsatCore, 26 InterpolantComputations, 9 PerfectInterpolantSequences, 29129/30677 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! [2024-11-28 05:10:57,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39631022-90af-4c94-8caf-ae864ff97792/bin/uautomizer-verify-aQ6SnzHsRB/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