./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-32_7a-drivers--video--console--fbcon.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_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/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_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/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_745a0472-56a3-4db9-b666-057c13e50234/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 037e795cce503850d2c4452c45fcb076e5748c33e58ba9a275ca2db56216e774 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:35:08,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:35:08,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:35:08,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:35:08,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:35:08,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:35:08,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:35:08,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:35:08,313 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:35:08,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:35:08,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:35:08,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:35:08,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:35:08,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:35:08,315 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:35:08,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:35:08,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:35:08,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:35:08,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:35:08,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:35:08,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:35:08,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:35:08,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:35:08,316 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:35:08,316 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:35:08,316 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:35:08,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:08,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:35:08,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:08,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:08,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:35:08,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:08,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:35:08,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:08,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:08,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:35:08,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:35:08,317 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:35:08,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:35:08,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:35:08,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:35:08,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:35:08,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:35:08,319 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:35:08,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:35:08,319 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_745a0472-56a3-4db9-b666-057c13e50234/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 -> 037e795cce503850d2c4452c45fcb076e5748c33e58ba9a275ca2db56216e774 [2024-11-28 04:35:08,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:35:08,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:35:08,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:35:08,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:35:08,659 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:35:08,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2024-11-28 04:35:11,713 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/data/ec8aa3c2e/3cc08a6f75c14d33865481fe9d33714a/FLAGed43a7942 [2024-11-28 04:35:12,540 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:35:12,541 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2024-11-28 04:35:12,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/data/ec8aa3c2e/3cc08a6f75c14d33865481fe9d33714a/FLAGed43a7942 [2024-11-28 04:35:12,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/data/ec8aa3c2e/3cc08a6f75c14d33865481fe9d33714a [2024-11-28 04:35:12,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:35:12,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:35:12,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:12,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:35:12,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:35:12,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:12" (1/1) ... [2024-11-28 04:35:12,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7010ae1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:12, skipping insertion in model container [2024-11-28 04:35:12,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:12" (1/1) ... [2024-11-28 04:35:12,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:35:15,006 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_745a0472-56a3-4db9-b666-057c13e50234/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[261739,261752] [2024-11-28 04:35:15,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:15,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:35:15,926 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_745a0472-56a3-4db9-b666-057c13e50234/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i[261739,261752] [2024-11-28 04:35:15,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:16,272 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:35:16,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16 WrapperNode [2024-11-28 04:35:16,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:16,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:16,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:35:16,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:35:16,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:16,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:16,950 INFO L138 Inliner]: procedures = 308, calls = 4884, calls flagged for inlining = 114, calls inlined = 104, statements flattened = 8936 [2024-11-28 04:35:16,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:16,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:35:16,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:35:16,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:35:16,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:16,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:17,049 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:18,293 INFO L175 MemorySlicer]: Split 4014 memory accesses to 23 slices as follows [2, 3572, 1, 2, 2, 35, 2, 6, 8, 51, 1, 119, 67, 43, 44, 3, 2, 19, 1, 3, 2, 28, 1]. 89 percent of accesses are in the largest equivalence class. The 2128 initializations are split as follows [2, 1937, 0, 0, 0, 0, 0, 6, 6, 48, 0, 63, 63, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0]. The 587 writes are split as follows [0, 489, 0, 1, 2, 1, 1, 0, 2, 3, 1, 10, 2, 0, 44, 0, 1, 0, 0, 1, 0, 28, 1]. [2024-11-28 04:35:18,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:18,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:18,616 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:18,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:18,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:18,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:18,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:18,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:35:18,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:35:18,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:35:18,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:35:18,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:18,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:18,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:18,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:35:18,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:35:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2024-11-28 04:35:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2024-11-28 04:35:18,953 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2024-11-28 04:35:18,953 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2024-11-28 04:35:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2024-11-28 04:35:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2024-11-28 04:35:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2024-11-28 04:35:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2024-11-28 04:35:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2024-11-28 04:35:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2024-11-28 04:35:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2024-11-28 04:35:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2024-11-28 04:35:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2024-11-28 04:35:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2024-11-28 04:35:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 04:35:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 04:35:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 04:35:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 04:35:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 04:35:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 04:35:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 04:35:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 04:35:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 04:35:18,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 04:35:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 04:35:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 04:35:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 04:35:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 04:35:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 04:35:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 04:35:18,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 04:35:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 04:35:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 04:35:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-28 04:35:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-28 04:35:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-28 04:35:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-28 04:35:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:35:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:35:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:35:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:35:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 04:35:18,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 04:35:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-28 04:35:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-28 04:35:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-28 04:35:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 04:35:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 04:35:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 04:35:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 04:35:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 04:35:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 04:35:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2024-11-28 04:35:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2024-11-28 04:35:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2024-11-28 04:35:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2024-11-28 04:35:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2024-11-28 04:35:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2024-11-28 04:35:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2024-11-28 04:35:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2024-11-28 04:35:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-28 04:35:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-28 04:35:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2024-11-28 04:35:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2024-11-28 04:35:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2024-11-28 04:35:18,968 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2024-11-28 04:35:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2024-11-28 04:35:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2024-11-28 04:35:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 04:35:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 04:35:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2024-11-28 04:35:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2024-11-28 04:35:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 04:35:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 04:35:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2024-11-28 04:35:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2024-11-28 04:35:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2024-11-28 04:35:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2024-11-28 04:35:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2024-11-28 04:35:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2024-11-28 04:35:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-28 04:35:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-28 04:35:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-28 04:35:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-28 04:35:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-28 04:35:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-28 04:35:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-28 04:35:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-28 04:35:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 04:35:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 04:35:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 04:35:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 04:35:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 04:35:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 04:35:18,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 04:35:18,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-28 04:35:18,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-28 04:35:18,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:35:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:35:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2024-11-28 04:35:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2024-11-28 04:35:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2024-11-28 04:35:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2024-11-28 04:35:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2024-11-28 04:35:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2024-11-28 04:35:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:35:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2024-11-28 04:35:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2024-11-28 04:35:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2024-11-28 04:35:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2024-11-28 04:35:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-11-28 04:35:18,977 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-11-28 04:35:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:35:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:35:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:35:18,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:35:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:35:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:35:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 04:35:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 04:35:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 04:35:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 04:35:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 04:35:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 04:35:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 04:35:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 04:35:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 04:35:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 04:35:18,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 04:35:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 04:35:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 04:35:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 04:35:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-28 04:35:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-28 04:35:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-28 04:35:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2024-11-28 04:35:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2024-11-28 04:35:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 04:35:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 04:35:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2024-11-28 04:35:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2024-11-28 04:35:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:35:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:35:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:35:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-28 04:35:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-28 04:35:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 04:35:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 04:35:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~int~TO~VOID [2024-11-28 04:35:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~X~int~TO~VOID [2024-11-28 04:35:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2024-11-28 04:35:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2024-11-28 04:35:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 04:35:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 04:35:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-28 04:35:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-28 04:35:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-28 04:35:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-28 04:35:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2024-11-28 04:35:18,985 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2024-11-28 04:35:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2024-11-28 04:35:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2024-11-28 04:35:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2024-11-28 04:35:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2024-11-28 04:35:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 04:35:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 04:35:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 04:35:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 04:35:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 04:35:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 04:35:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 04:35:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 04:35:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 04:35:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 04:35:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 04:35:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 04:35:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 04:35:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 04:35:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 04:35:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 04:35:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 04:35:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 04:35:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 04:35:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-28 04:35:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-28 04:35:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-28 04:35:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-28 04:35:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-28 04:35:18,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-28 04:35:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:35:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:35:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:35:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:35:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:35:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:35:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 04:35:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 04:35:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 04:35:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 04:35:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 04:35:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 04:35:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 04:35:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 04:35:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 04:35:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 04:35:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2024-11-28 04:35:18,994 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2024-11-28 04:35:18,994 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2024-11-28 04:35:18,994 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:35:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2024-11-28 04:35:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 04:35:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-28 04:35:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-11-28 04:35:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 04:35:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 04:35:18,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-28 04:35:18,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-28 04:35:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-28 04:35:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-28 04:35:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-28 04:35:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-11-28 04:35:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2024-11-28 04:35:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2024-11-28 04:35:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2024-11-28 04:35:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2024-11-28 04:35:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 04:35:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 04:35:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2024-11-28 04:35:19,003 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2024-11-28 04:35:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:35:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:35:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:35:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:35:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:35:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:35:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:35:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 04:35:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 04:35:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 04:35:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 04:35:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 04:35:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 04:35:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 04:35:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 04:35:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 04:35:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 04:35:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 04:35:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 04:35:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 04:35:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 04:35:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 04:35:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-28 04:35:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2024-11-28 04:35:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2024-11-28 04:35:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2024-11-28 04:35:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2024-11-28 04:35:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2024-11-28 04:35:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2024-11-28 04:35:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2024-11-28 04:35:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2024-11-28 04:35:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2024-11-28 04:35:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2024-11-28 04:35:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 04:35:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 04:35:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:35:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2024-11-28 04:35:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2024-11-28 04:35:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-28 04:35:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-28 04:35:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2024-11-28 04:35:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2024-11-28 04:35:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:35:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2024-11-28 04:35:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 04:35:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-28 04:35:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-28 04:35:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-28 04:35:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2024-11-28 04:35:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2024-11-28 04:35:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-28 04:35:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-28 04:35:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2024-11-28 04:35:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2024-11-28 04:35:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2024-11-28 04:35:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2024-11-28 04:35:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-28 04:35:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-28 04:35:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2024-11-28 04:35:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2024-11-28 04:35:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2024-11-28 04:35:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2024-11-28 04:35:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2024-11-28 04:35:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2024-11-28 04:35:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2024-11-28 04:35:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2024-11-28 04:35:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2024-11-28 04:35:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2024-11-28 04:35:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2024-11-28 04:35:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2024-11-28 04:35:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2024-11-28 04:35:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2024-11-28 04:35:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2024-11-28 04:35:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2024-11-28 04:35:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2024-11-28 04:35:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2024-11-28 04:35:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2024-11-28 04:35:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2024-11-28 04:35:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:35:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:35:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2024-11-28 04:35:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2024-11-28 04:35:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:35:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:35:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:35:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:35:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:35:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:35:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2024-11-28 04:35:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2024-11-28 04:35:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2024-11-28 04:35:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-28 04:35:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-28 04:35:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:35:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:35:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-28 04:35:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-28 04:35:20,534 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:35:20,538 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:35:26,377 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 04:36:15,424 INFO L? ?]: Removed 2923 outVars from TransFormulas that were not future-live. [2024-11-28 04:36:15,424 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:36:15,491 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:36:15,491 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:36:15,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:15 BoogieIcfgContainer [2024-11-28 04:36:15,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:36:15,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:36:15,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:36:15,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:36:15,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:35:12" (1/3) ... [2024-11-28 04:36:15,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102631e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:36:15, skipping insertion in model container [2024-11-28 04:36:15,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16" (2/3) ... [2024-11-28 04:36:15,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102631e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:36:15, skipping insertion in model container [2024-11-28 04:36:15,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:15" (3/3) ... [2024-11-28 04:36:15,504 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2024-11-28 04:36:15,522 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:36:15,527 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i that has 130 procedures, 2542 locations, 1 initial locations, 69 loop locations, and 1 error locations. [2024-11-28 04:36:15,675 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:36:15,689 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;@77c33936, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:36:15,689 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:36:15,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 2347 states, 1850 states have (on average 1.454054054054054) internal successors, (2690), 1911 states have internal predecessors, (2690), 410 states have call successors, (410), 86 states have call predecessors, (410), 85 states have return successors, (405), 389 states have call predecessors, (405), 405 states have call successors, (405) [2024-11-28 04:36:15,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2024-11-28 04:36:15,752 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:15,753 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:36:15,754 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:15,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:15,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1664749144, now seen corresponding path program 1 times [2024-11-28 04:36:15,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:15,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949852238] [2024-11-28 04:36:15,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:15,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:19,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 5406 trivial. 0 not checked. [2024-11-28 04:36:19,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:19,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949852238] [2024-11-28 04:36:19,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949852238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:36:19,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864966031] [2024-11-28 04:36:19,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:19,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:19,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:36:19,570 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:36:19,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:36:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:23,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 8423 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:36:24,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:36:24,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 5378 trivial. 0 not checked. [2024-11-28 04:36:24,127 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:36:24,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864966031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:24,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:36:24,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:36:24,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775516515] [2024-11-28 04:36:24,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:24,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:36:24,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:24,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:36:24,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:36:24,181 INFO L87 Difference]: Start difference. First operand has 2347 states, 1850 states have (on average 1.454054054054054) internal successors, (2690), 1911 states have internal predecessors, (2690), 410 states have call successors, (410), 86 states have call predecessors, (410), 85 states have return successors, (405), 389 states have call predecessors, (405), 405 states have call successors, (405) Second operand has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-28 04:36:24,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:24,537 INFO L93 Difference]: Finished difference Result 4689 states and 7141 transitions. [2024-11-28 04:36:24,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:36:24,539 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 539 [2024-11-28 04:36:24,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:24,595 INFO L225 Difference]: With dead ends: 4689 [2024-11-28 04:36:24,596 INFO L226 Difference]: Without dead ends: 2335 [2024-11-28 04:36:24,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 540 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 04:36:24,628 INFO L435 NwaCegarLoop]: 3490 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, 3490 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 04:36:24,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3490 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:36:24,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2335 states. [2024-11-28 04:36:24,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2335 to 2335. [2024-11-28 04:36:24,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2335 states, 1845 states have (on average 1.4476964769647696) internal successors, (2671), 1899 states have internal predecessors, (2671), 405 states have call successors, (405), 85 states have call predecessors, (405), 84 states have return successors, (399), 383 states have call predecessors, (399), 399 states have call successors, (399) [2024-11-28 04:36:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 3475 transitions. [2024-11-28 04:36:24,921 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 3475 transitions. Word has length 539 [2024-11-28 04:36:24,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:24,922 INFO L471 AbstractCegarLoop]: Abstraction has 2335 states and 3475 transitions. [2024-11-28 04:36:24,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-28 04:36:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 3475 transitions. [2024-11-28 04:36:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2024-11-28 04:36:24,956 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:24,957 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:36:24,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:36:25,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:25,158 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:25,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:25,159 INFO L85 PathProgramCache]: Analyzing trace with hash 895639448, now seen corresponding path program 1 times [2024-11-28 04:36:25,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:25,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665502246] [2024-11-28 04:36:25,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:25,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-28 04:36:28,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:28,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665502246] [2024-11-28 04:36:28,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665502246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:28,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:28,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:36:28,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973362038] [2024-11-28 04:36:28,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:28,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:28,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:28,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:28,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:28,600 INFO L87 Difference]: Start difference. First operand 2335 states and 3475 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-28 04:36:32,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:36:33,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:33,551 INFO L93 Difference]: Finished difference Result 6731 states and 10035 transitions. [2024-11-28 04:36:33,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:33,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 539 [2024-11-28 04:36:33,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:33,630 INFO L225 Difference]: With dead ends: 6731 [2024-11-28 04:36:33,633 INFO L226 Difference]: Without dead ends: 4493 [2024-11-28 04:36:33,657 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 04:36:33,658 INFO L435 NwaCegarLoop]: 3476 mSDtfsCounter, 3272 mSDsluCounter, 3406 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3272 SdHoareTripleChecker+Valid, 6882 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:33,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3272 Valid, 6882 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-28 04:36:33,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4493 states. [2024-11-28 04:36:33,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4493 to 4490. [2024-11-28 04:36:33,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4490 states, 3582 states have (on average 1.4556113902847572) internal successors, (5214), 3683 states have internal predecessors, (5214), 743 states have call successors, (743), 165 states have call predecessors, (743), 164 states have return successors, (737), 705 states have call predecessors, (737), 737 states have call successors, (737) [2024-11-28 04:36:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4490 states to 4490 states and 6694 transitions. [2024-11-28 04:36:34,026 INFO L78 Accepts]: Start accepts. Automaton has 4490 states and 6694 transitions. Word has length 539 [2024-11-28 04:36:34,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:34,028 INFO L471 AbstractCegarLoop]: Abstraction has 4490 states and 6694 transitions. [2024-11-28 04:36:34,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-11-28 04:36:34,029 INFO L276 IsEmpty]: Start isEmpty. Operand 4490 states and 6694 transitions. [2024-11-28 04:36:34,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-11-28 04:36:34,054 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:34,054 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:36:34,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:36:34,055 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:34,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:34,056 INFO L85 PathProgramCache]: Analyzing trace with hash -739150041, now seen corresponding path program 1 times [2024-11-28 04:36:34,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:34,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957609040] [2024-11-28 04:36:34,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:34,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-28 04:36:37,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:37,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957609040] [2024-11-28 04:36:37,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957609040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:37,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:37,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:36:37,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266803339] [2024-11-28 04:36:37,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:37,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:37,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:37,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:37,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:36:37,873 INFO L87 Difference]: Start difference. First operand 4490 states and 6694 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-28 04:36:38,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:38,123 INFO L93 Difference]: Finished difference Result 8885 states and 13252 transitions. [2024-11-28 04:36:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:38,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 556 [2024-11-28 04:36:38,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:38,172 INFO L225 Difference]: With dead ends: 8885 [2024-11-28 04:36:38,172 INFO L226 Difference]: Without dead ends: 4492 [2024-11-28 04:36:38,195 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 04:36:38,196 INFO L435 NwaCegarLoop]: 3473 mSDtfsCounter, 1 mSDsluCounter, 3469 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6942 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:38,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6942 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:36:38,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4492 states. [2024-11-28 04:36:38,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4492 to 4491. [2024-11-28 04:36:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4491 states, 3583 states have (on average 1.4554842310912643) internal successors, (5215), 3684 states have internal predecessors, (5215), 743 states have call successors, (743), 165 states have call predecessors, (743), 164 states have return successors, (737), 705 states have call predecessors, (737), 737 states have call successors, (737) [2024-11-28 04:36:38,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4491 states to 4491 states and 6695 transitions. [2024-11-28 04:36:38,440 INFO L78 Accepts]: Start accepts. Automaton has 4491 states and 6695 transitions. Word has length 556 [2024-11-28 04:36:38,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:38,442 INFO L471 AbstractCegarLoop]: Abstraction has 4491 states and 6695 transitions. [2024-11-28 04:36:38,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-28 04:36:38,443 INFO L276 IsEmpty]: Start isEmpty. Operand 4491 states and 6695 transitions. [2024-11-28 04:36:38,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2024-11-28 04:36:38,466 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:38,466 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:36:38,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:36:38,467 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:38,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:38,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1264343683, now seen corresponding path program 1 times [2024-11-28 04:36:38,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:38,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19354584] [2024-11-28 04:36:38,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:38,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:42,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-28 04:36:42,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:42,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19354584] [2024-11-28 04:36:42,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19354584] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:36:42,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291583148] [2024-11-28 04:36:42,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:42,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:42,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:36:42,335 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:36:42,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:36:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:47,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 8410 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:36:47,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:36:50,249 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-11-28 04:36:50,249 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:36:50,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291583148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:50,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:36:50,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 04:36:50,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693865361] [2024-11-28 04:36:50,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:50,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:36:50,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:50,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:36:50,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:36:50,253 INFO L87 Difference]: Start difference. First operand 4491 states and 6695 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-28 04:36:50,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:50,416 INFO L93 Difference]: Finished difference Result 4493 states and 6696 transitions. [2024-11-28 04:36:50,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:36:50,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 558 [2024-11-28 04:36:50,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:50,460 INFO L225 Difference]: With dead ends: 4493 [2024-11-28 04:36:50,460 INFO L226 Difference]: Without dead ends: 4490 [2024-11-28 04:36:50,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:36:50,468 INFO L435 NwaCegarLoop]: 3472 mSDtfsCounter, 3273 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3273 SdHoareTripleChecker+Valid, 3472 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:50,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3273 Valid, 3472 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:36:50,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2024-11-28 04:36:50,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 4490. [2024-11-28 04:36:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4490 states, 3583 states have (on average 1.455205135361429) internal successors, (5214), 3683 states have internal predecessors, (5214), 742 states have call successors, (742), 165 states have call predecessors, (742), 164 states have return successors, (737), 705 states have call predecessors, (737), 737 states have call successors, (737) [2024-11-28 04:36:50,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4490 states to 4490 states and 6693 transitions. [2024-11-28 04:36:50,738 INFO L78 Accepts]: Start accepts. Automaton has 4490 states and 6693 transitions. Word has length 558 [2024-11-28 04:36:50,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:50,740 INFO L471 AbstractCegarLoop]: Abstraction has 4490 states and 6693 transitions. [2024-11-28 04:36:50,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-28 04:36:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 4490 states and 6693 transitions. [2024-11-28 04:36:50,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2024-11-28 04:36:50,766 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:50,766 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:36:50,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:36:50,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:50,967 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:50,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:50,968 INFO L85 PathProgramCache]: Analyzing trace with hash 539440881, now seen corresponding path program 1 times [2024-11-28 04:36:50,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:50,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474291512] [2024-11-28 04:36:50,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:50,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-28 04:36:54,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:54,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474291512] [2024-11-28 04:36:54,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474291512] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:36:54,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705991895] [2024-11-28 04:36:54,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:54,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:54,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:36:54,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:36:54,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:36:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:58,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 8412 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:36:58,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:37:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-11-28 04:37:01,786 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:37:01,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705991895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:37:01,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:37:01,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 04:37:01,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180375648] [2024-11-28 04:37:01,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:37:01,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:37:01,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:37:01,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:37:01,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:37:01,790 INFO L87 Difference]: Start difference. First operand 4490 states and 6693 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-28 04:37:01,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:37:01,950 INFO L93 Difference]: Finished difference Result 4492 states and 6694 transitions. [2024-11-28 04:37:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:37:01,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 559 [2024-11-28 04:37:01,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:37:02,003 INFO L225 Difference]: With dead ends: 4492 [2024-11-28 04:37:02,003 INFO L226 Difference]: Without dead ends: 4489 [2024-11-28 04:37:02,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:37:02,010 INFO L435 NwaCegarLoop]: 3470 mSDtfsCounter, 3270 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 3470 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:37:02,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3270 Valid, 3470 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:37:02,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states. [2024-11-28 04:37:02,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 4489. [2024-11-28 04:37:02,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4489 states, 3583 states have (on average 1.4549260396315937) internal successors, (5213), 3682 states have internal predecessors, (5213), 741 states have call successors, (741), 165 states have call predecessors, (741), 164 states have return successors, (737), 705 states have call predecessors, (737), 737 states have call successors, (737) [2024-11-28 04:37:02,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 6691 transitions. [2024-11-28 04:37:02,261 INFO L78 Accepts]: Start accepts. Automaton has 4489 states and 6691 transitions. Word has length 559 [2024-11-28 04:37:02,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:37:02,264 INFO L471 AbstractCegarLoop]: Abstraction has 4489 states and 6691 transitions. [2024-11-28 04:37:02,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-28 04:37:02,265 INFO L276 IsEmpty]: Start isEmpty. Operand 4489 states and 6691 transitions. [2024-11-28 04:37:02,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2024-11-28 04:37:02,281 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:37:02,281 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:02,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:37:02,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:37:02,482 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:37:02,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:37:02,483 INFO L85 PathProgramCache]: Analyzing trace with hash -457704634, now seen corresponding path program 1 times [2024-11-28 04:37:02,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:37:02,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416974323] [2024-11-28 04:37:02,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:37:02,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:37:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:37:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-28 04:37:05,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:37:05,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416974323] [2024-11-28 04:37:05,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416974323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:37:05,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383931708] [2024-11-28 04:37:05,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:37:05,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:37:05,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:37:05,560 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:37:05,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:37:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:37:10,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 8414 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:37:10,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:37:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-11-28 04:37:13,432 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:37:13,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383931708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:37:13,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:37:13,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 04:37:13,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057896567] [2024-11-28 04:37:13,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:37:13,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:37:13,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:37:13,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:37:13,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:37:13,435 INFO L87 Difference]: Start difference. First operand 4489 states and 6691 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-28 04:37:13,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:37:13,629 INFO L93 Difference]: Finished difference Result 8862 states and 13226 transitions. [2024-11-28 04:37:13,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:37:13,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 560 [2024-11-28 04:37:13,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:37:13,668 INFO L225 Difference]: With dead ends: 8862 [2024-11-28 04:37:13,668 INFO L226 Difference]: Without dead ends: 4470 [2024-11-28 04:37:13,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:37:13,691 INFO L435 NwaCegarLoop]: 3457 mSDtfsCounter, 3257 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3257 SdHoareTripleChecker+Valid, 3457 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:37:13,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3257 Valid, 3457 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:37:13,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4470 states. [2024-11-28 04:37:13,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4470 to 4466. [2024-11-28 04:37:13,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4466 states, 3568 states have (on average 1.4559977578475336) internal successors, (5195), 3666 states have internal predecessors, (5195), 737 states have call successors, (737), 162 states have call predecessors, (737), 160 states have return successors, (733), 701 states have call predecessors, (733), 733 states have call successors, (733) [2024-11-28 04:37:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4466 states to 4466 states and 6665 transitions. [2024-11-28 04:37:13,936 INFO L78 Accepts]: Start accepts. Automaton has 4466 states and 6665 transitions. Word has length 560 [2024-11-28 04:37:13,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:37:13,938 INFO L471 AbstractCegarLoop]: Abstraction has 4466 states and 6665 transitions. [2024-11-28 04:37:13,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-28 04:37:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 4466 states and 6665 transitions. [2024-11-28 04:37:13,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2024-11-28 04:37:13,955 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:37:13,956 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:13,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:37:14,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:37:14,157 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:37:14,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:37:14,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1304439660, now seen corresponding path program 1 times [2024-11-28 04:37:14,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:37:14,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393794959] [2024-11-28 04:37:14,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:37:14,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:37:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:37:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-28 04:37:17,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:37:17,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393794959] [2024-11-28 04:37:17,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393794959] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:37:17,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805726685] [2024-11-28 04:37:17,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:37:17,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:37:17,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:37:17,147 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:37:17,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:37:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:37:21,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 8416 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:37:21,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:37:24,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-11-28 04:37:24,714 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:37:24,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805726685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:37:24,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:37:24,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 04:37:24,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128866049] [2024-11-28 04:37:24,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:37:24,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:37:24,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:37:24,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:37:24,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:37:24,717 INFO L87 Difference]: Start difference. First operand 4466 states and 6665 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-28 04:37:24,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:37:24,879 INFO L93 Difference]: Finished difference Result 4468 states and 6666 transitions. [2024-11-28 04:37:24,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:37:24,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 561 [2024-11-28 04:37:24,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:37:24,913 INFO L225 Difference]: With dead ends: 4468 [2024-11-28 04:37:24,913 INFO L226 Difference]: Without dead ends: 4465 [2024-11-28 04:37:24,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:37:24,918 INFO L435 NwaCegarLoop]: 3456 mSDtfsCounter, 3254 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3254 SdHoareTripleChecker+Valid, 3456 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:37:24,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3254 Valid, 3456 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:37:24,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4465 states. [2024-11-28 04:37:25,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4465 to 4465. [2024-11-28 04:37:25,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4465 states, 3568 states have (on average 1.4557174887892377) internal successors, (5194), 3665 states have internal predecessors, (5194), 736 states have call successors, (736), 162 states have call predecessors, (736), 160 states have return successors, (733), 701 states have call predecessors, (733), 733 states have call successors, (733) [2024-11-28 04:37:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4465 states to 4465 states and 6663 transitions. [2024-11-28 04:37:25,248 INFO L78 Accepts]: Start accepts. Automaton has 4465 states and 6663 transitions. Word has length 561 [2024-11-28 04:37:25,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:37:25,251 INFO L471 AbstractCegarLoop]: Abstraction has 4465 states and 6663 transitions. [2024-11-28 04:37:25,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-28 04:37:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 4465 states and 6663 transitions. [2024-11-28 04:37:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2024-11-28 04:37:25,268 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:37:25,268 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:25,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:37:25,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 04:37:25,469 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:37:25,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:37:25,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1783416823, now seen corresponding path program 1 times [2024-11-28 04:37:25,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:37:25,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704062550] [2024-11-28 04:37:25,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:37:25,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:37:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:37:28,463 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-28 04:37:28,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:37:28,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704062550] [2024-11-28 04:37:28,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704062550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:37:28,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757090923] [2024-11-28 04:37:28,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:37:28,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:37:28,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:37:28,467 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:37:28,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:37:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:37:32,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 8418 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:37:32,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:37:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-11-28 04:37:35,584 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:37:35,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757090923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:37:35,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:37:35,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 04:37:35,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554986678] [2024-11-28 04:37:35,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:37:35,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:37:35,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:37:35,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:37:35,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:37:35,587 INFO L87 Difference]: Start difference. First operand 4465 states and 6663 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-28 04:37:35,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:37:35,828 INFO L93 Difference]: Finished difference Result 4467 states and 6664 transitions. [2024-11-28 04:37:35,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:37:35,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 562 [2024-11-28 04:37:35,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:37:35,900 INFO L225 Difference]: With dead ends: 4467 [2024-11-28 04:37:35,900 INFO L226 Difference]: Without dead ends: 4439 [2024-11-28 04:37:35,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:37:35,921 INFO L435 NwaCegarLoop]: 3455 mSDtfsCounter, 3251 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3251 SdHoareTripleChecker+Valid, 3455 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 04:37:35,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3251 Valid, 3455 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:37:35,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4439 states. [2024-11-28 04:37:36,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4439 to 4439. [2024-11-28 04:37:36,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4439 states, 3550 states have (on average 1.4566197183098593) internal successors, (5171), 3646 states have internal predecessors, (5171), 730 states have call successors, (730), 160 states have call predecessors, (730), 158 states have return successors, (728), 696 states have call predecessors, (728), 728 states have call successors, (728) [2024-11-28 04:37:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4439 states to 4439 states and 6629 transitions. [2024-11-28 04:37:36,517 INFO L78 Accepts]: Start accepts. Automaton has 4439 states and 6629 transitions. Word has length 562 [2024-11-28 04:37:36,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:37:36,530 INFO L471 AbstractCegarLoop]: Abstraction has 4439 states and 6629 transitions. [2024-11-28 04:37:36,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-28 04:37:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 4439 states and 6629 transitions. [2024-11-28 04:37:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2024-11-28 04:37:36,583 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:37:36,584 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:36,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 04:37:36,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-28 04:37:36,786 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:37:36,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:37:36,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1555206009, now seen corresponding path program 1 times [2024-11-28 04:37:36,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:37:36,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949290401] [2024-11-28 04:37:36,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:37:36,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:37:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:37:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5449 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5449 trivial. 0 not checked. [2024-11-28 04:37:38,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:37:38,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949290401] [2024-11-28 04:37:38,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949290401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:37:38,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:37:38,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:37:38,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536519379] [2024-11-28 04:37:38,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:37:38,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:37:38,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:37:38,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:37:38,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:37:38,935 INFO L87 Difference]: Start difference. First operand 4439 states and 6629 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-28 04:37:43,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:37:43,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:37:43,921 INFO L93 Difference]: Finished difference Result 11436 states and 16965 transitions. [2024-11-28 04:37:43,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:37:43,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 574 [2024-11-28 04:37:43,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:37:44,017 INFO L225 Difference]: With dead ends: 11436 [2024-11-28 04:37:44,017 INFO L226 Difference]: Without dead ends: 7094 [2024-11-28 04:37:44,064 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 04:37:44,065 INFO L435 NwaCegarLoop]: 3517 mSDtfsCounter, 2092 mSDsluCounter, 3213 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2092 SdHoareTripleChecker+Valid, 6730 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:37:44,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2092 Valid, 6730 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-28 04:37:44,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7094 states. [2024-11-28 04:37:44,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7094 to 7094. [2024-11-28 04:37:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7094 states, 5724 states have (on average 1.453004891684137) internal successors, (8317), 5864 states have internal predecessors, (8317), 1079 states have call successors, (1079), 292 states have call predecessors, (1079), 290 states have return successors, (1077), 1035 states have call predecessors, (1077), 1077 states have call successors, (1077) [2024-11-28 04:37:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7094 states to 7094 states and 10473 transitions. [2024-11-28 04:37:44,744 INFO L78 Accepts]: Start accepts. Automaton has 7094 states and 10473 transitions. Word has length 574 [2024-11-28 04:37:44,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:37:44,750 INFO L471 AbstractCegarLoop]: Abstraction has 7094 states and 10473 transitions. [2024-11-28 04:37:44,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-28 04:37:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 7094 states and 10473 transitions. [2024-11-28 04:37:44,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2024-11-28 04:37:44,816 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:37:44,817 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:44,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:37:44,818 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:37:44,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:37:44,819 INFO L85 PathProgramCache]: Analyzing trace with hash -780311939, now seen corresponding path program 1 times [2024-11-28 04:37:44,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:37:44,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26507747] [2024-11-28 04:37:44,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:37:44,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:37:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:37:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-28 04:37:48,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:37:48,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26507747] [2024-11-28 04:37:48,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26507747] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:37:48,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766845909] [2024-11-28 04:37:48,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:37:48,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:37:48,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:37:48,810 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:37:48,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:37:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:37:53,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 9033 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:37:53,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:37:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5685 trivial. 0 not checked. [2024-11-28 04:37:53,612 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:37:53,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766845909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:37:53,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:37:53,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 04:37:53,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214643269] [2024-11-28 04:37:53,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:37:53,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:37:53,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:37:53,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:37:53,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:37:53,617 INFO L87 Difference]: Start difference. First operand 7094 states and 10473 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-11-28 04:37:54,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:37:54,080 INFO L93 Difference]: Finished difference Result 14085 states and 21179 transitions. [2024-11-28 04:37:54,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:37:54,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 655 [2024-11-28 04:37:54,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:37:54,133 INFO L225 Difference]: With dead ends: 14085 [2024-11-28 04:37:54,133 INFO L226 Difference]: Without dead ends: 7098 [2024-11-28 04:37:54,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 655 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:37:54,168 INFO L435 NwaCegarLoop]: 3426 mSDtfsCounter, 0 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6848 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:37:54,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6848 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:37:54,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7098 states. [2024-11-28 04:37:54,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7098 to 7098. [2024-11-28 04:37:54,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7098 states, 5728 states have (on average 1.4526885474860336) internal successors, (8321), 5868 states have internal predecessors, (8321), 1079 states have call successors, (1079), 292 states have call predecessors, (1079), 290 states have return successors, (1077), 1035 states have call predecessors, (1077), 1077 states have call successors, (1077) [2024-11-28 04:37:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7098 states to 7098 states and 10477 transitions. [2024-11-28 04:37:54,933 INFO L78 Accepts]: Start accepts. Automaton has 7098 states and 10477 transitions. Word has length 655 [2024-11-28 04:37:54,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:37:54,939 INFO L471 AbstractCegarLoop]: Abstraction has 7098 states and 10477 transitions. [2024-11-28 04:37:54,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-11-28 04:37:54,939 INFO L276 IsEmpty]: Start isEmpty. Operand 7098 states and 10477 transitions. [2024-11-28 04:37:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2024-11-28 04:37:54,997 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:37:54,998 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:55,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 04:37:55,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 04:37:55,199 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:37:55,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:37:55,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1809836801, now seen corresponding path program 1 times [2024-11-28 04:37:55,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:37:55,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860312452] [2024-11-28 04:37:55,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:37:55,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:37:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:37:58,760 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-28 04:37:58,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:37:58,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860312452] [2024-11-28 04:37:58,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860312452] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:37:58,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66836770] [2024-11-28 04:37:58,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:37:58,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:37:58,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:37:58,773 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:37:58,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 04:38:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:38:03,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 9039 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:38:03,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:38:03,567 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5686 trivial. 0 not checked. [2024-11-28 04:38:03,567 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:38:03,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66836770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:38:03,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:38:03,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-28 04:38:03,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948663508] [2024-11-28 04:38:03,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:38:03,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:38:03,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:38:03,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:38:03,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:38:03,570 INFO L87 Difference]: Start difference. First operand 7098 states and 10477 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-11-28 04:38:03,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:38:03,994 INFO L93 Difference]: Finished difference Result 14097 states and 21191 transitions. [2024-11-28 04:38:03,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:38:03,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 655 [2024-11-28 04:38:03,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:38:04,048 INFO L225 Difference]: With dead ends: 14097 [2024-11-28 04:38:04,048 INFO L226 Difference]: Without dead ends: 7106 [2024-11-28 04:38:04,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 654 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:38:04,082 INFO L435 NwaCegarLoop]: 3424 mSDtfsCounter, 1 mSDsluCounter, 6842 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10266 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:38:04,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 10266 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:38:04,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7106 states. [2024-11-28 04:38:04,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7106 to 7106. [2024-11-28 04:38:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7106 states, 5736 states have (on average 1.4520571827057183) internal successors, (8329), 5876 states have internal predecessors, (8329), 1079 states have call successors, (1079), 292 states have call predecessors, (1079), 290 states have return successors, (1077), 1035 states have call predecessors, (1077), 1077 states have call successors, (1077) [2024-11-28 04:38:04,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7106 states to 7106 states and 10485 transitions. [2024-11-28 04:38:04,735 INFO L78 Accepts]: Start accepts. Automaton has 7106 states and 10485 transitions. Word has length 655 [2024-11-28 04:38:04,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:38:04,737 INFO L471 AbstractCegarLoop]: Abstraction has 7106 states and 10485 transitions. [2024-11-28 04:38:04,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-11-28 04:38:04,737 INFO L276 IsEmpty]: Start isEmpty. Operand 7106 states and 10485 transitions. [2024-11-28 04:38:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2024-11-28 04:38:04,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:38:04,782 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:38:04,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 04:38:04,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 04:38:04,987 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:38:04,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:38:04,988 INFO L85 PathProgramCache]: Analyzing trace with hash -138255739, now seen corresponding path program 1 times [2024-11-28 04:38:04,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:38:04,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044766400] [2024-11-28 04:38:04,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:38:04,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:38:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:38:07,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-28 04:38:07,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:38:07,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044766400] [2024-11-28 04:38:07,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044766400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:38:07,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039642702] [2024-11-28 04:38:07,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:38:07,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:38:07,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:38:07,700 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:38:07,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 04:38:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:38:12,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 9045 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:38:12,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:38:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 226 proven. 1 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-11-28 04:38:12,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:38:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-28 04:38:15,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039642702] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:38:15,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:38:15,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 04:38:15,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81121843] [2024-11-28 04:38:15,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:38:15,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:38:15,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:38:15,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:38:15,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:38:15,207 INFO L87 Difference]: Start difference. First operand 7106 states and 10485 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-28 04:38:15,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:38:15,708 INFO L93 Difference]: Finished difference Result 14117 states and 20839 transitions. [2024-11-28 04:38:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:38:15,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 655 [2024-11-28 04:38:15,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:38:15,762 INFO L225 Difference]: With dead ends: 14117 [2024-11-28 04:38:15,762 INFO L226 Difference]: Without dead ends: 7118 [2024-11-28 04:38:15,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1312 GetRequests, 1307 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:38:15,790 INFO L435 NwaCegarLoop]: 3425 mSDtfsCounter, 2 mSDsluCounter, 13684 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17109 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:38:15,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 17109 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:38:15,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7118 states. [2024-11-28 04:38:16,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7118 to 7118. [2024-11-28 04:38:16,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7118 states, 5748 states have (on average 1.4511134307585247) internal successors, (8341), 5888 states have internal predecessors, (8341), 1079 states have call successors, (1079), 292 states have call predecessors, (1079), 290 states have return successors, (1077), 1035 states have call predecessors, (1077), 1077 states have call successors, (1077) [2024-11-28 04:38:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7118 states to 7118 states and 10497 transitions. [2024-11-28 04:38:16,179 INFO L78 Accepts]: Start accepts. Automaton has 7118 states and 10497 transitions. Word has length 655 [2024-11-28 04:38:16,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:38:16,181 INFO L471 AbstractCegarLoop]: Abstraction has 7118 states and 10497 transitions. [2024-11-28 04:38:16,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-28 04:38:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 7118 states and 10497 transitions. [2024-11-28 04:38:16,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2024-11-28 04:38:16,289 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:38:16,290 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:38:16,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 04:38:16,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 04:38:16,495 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:38:16,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:38:16,502 INFO L85 PathProgramCache]: Analyzing trace with hash -820439823, now seen corresponding path program 2 times [2024-11-28 04:38:16,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:38:16,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622025103] [2024-11-28 04:38:16,503 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:38:16,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:38:18,982 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:38:18,982 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:38:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5702 trivial. 0 not checked. [2024-11-28 04:38:19,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:38:19,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622025103] [2024-11-28 04:38:19,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622025103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:38:19,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:38:19,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:38:19,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144334349] [2024-11-28 04:38:19,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:38:19,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:38:19,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:38:19,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:38:19,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:38:19,970 INFO L87 Difference]: Start difference. First operand 7118 states and 10497 transitions. Second operand has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 1 states have call successors, (55) [2024-11-28 04:38:20,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:38:20,431 INFO L93 Difference]: Finished difference Result 14149 states and 21101 transitions. [2024-11-28 04:38:20,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:38:20,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 1 states have call successors, (55) Word has length 661 [2024-11-28 04:38:20,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:38:20,486 INFO L225 Difference]: With dead ends: 14149 [2024-11-28 04:38:20,486 INFO L226 Difference]: Without dead ends: 7138 [2024-11-28 04:38:20,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:38:20,516 INFO L435 NwaCegarLoop]: 3424 mSDtfsCounter, 0 mSDsluCounter, 13689 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17113 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:38:20,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17113 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:38:20,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7138 states. [2024-11-28 04:38:21,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7138 to 7138. [2024-11-28 04:38:21,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7138 states, 5764 states have (on average 1.4498612074947952) internal successors, (8357), 5904 states have internal predecessors, (8357), 1079 states have call successors, (1079), 292 states have call predecessors, (1079), 294 states have return successors, (1119), 1039 states have call predecessors, (1119), 1077 states have call successors, (1119) [2024-11-28 04:38:21,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7138 states to 7138 states and 10555 transitions. [2024-11-28 04:38:21,271 INFO L78 Accepts]: Start accepts. Automaton has 7138 states and 10555 transitions. Word has length 661 [2024-11-28 04:38:21,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:38:21,274 INFO L471 AbstractCegarLoop]: Abstraction has 7138 states and 10555 transitions. [2024-11-28 04:38:21,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 1 states have call successors, (55) [2024-11-28 04:38:21,275 INFO L276 IsEmpty]: Start isEmpty. Operand 7138 states and 10555 transitions. [2024-11-28 04:38:21,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-11-28 04:38:21,310 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:38:21,310 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:38:21,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:38:21,311 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:38:21,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:38:21,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1083744566, now seen corresponding path program 1 times [2024-11-28 04:38:21,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:38:21,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541667699] [2024-11-28 04:38:21,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:38:21,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:38:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:38:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5702 trivial. 0 not checked. [2024-11-28 04:38:24,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:38:24,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541667699] [2024-11-28 04:38:24,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541667699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:38:24,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:38:24,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:38:24,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906985074] [2024-11-28 04:38:24,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:38:24,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:38:24,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:38:24,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:38:24,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:38:24,446 INFO L87 Difference]: Start difference. First operand 7138 states and 10555 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 1 states have call successors, (55) [2024-11-28 04:38:24,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:38:24,771 INFO L93 Difference]: Finished difference Result 14173 states and 21343 transitions. [2024-11-28 04:38:24,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:38:24,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 1 states have call successors, (55) Word has length 666 [2024-11-28 04:38:24,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:38:24,819 INFO L225 Difference]: With dead ends: 14173 [2024-11-28 04:38:24,819 INFO L226 Difference]: Without dead ends: 7142 [2024-11-28 04:38:24,848 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 04:38:24,849 INFO L435 NwaCegarLoop]: 3426 mSDtfsCounter, 0 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6848 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:38:24,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6848 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:38:24,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7142 states. [2024-11-28 04:38:25,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7142 to 7142. [2024-11-28 04:38:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7142 states, 5768 states have (on average 1.4495492371705965) internal successors, (8361), 5908 states have internal predecessors, (8361), 1079 states have call successors, (1079), 292 states have call predecessors, (1079), 294 states have return successors, (1119), 1039 states have call predecessors, (1119), 1077 states have call successors, (1119) [2024-11-28 04:38:25,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7142 states to 7142 states and 10559 transitions. [2024-11-28 04:38:25,201 INFO L78 Accepts]: Start accepts. Automaton has 7142 states and 10559 transitions. Word has length 666 [2024-11-28 04:38:25,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:38:25,202 INFO L471 AbstractCegarLoop]: Abstraction has 7142 states and 10559 transitions. [2024-11-28 04:38:25,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 1 states have call successors, (55) [2024-11-28 04:38:25,203 INFO L276 IsEmpty]: Start isEmpty. Operand 7142 states and 10559 transitions. [2024-11-28 04:38:25,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-11-28 04:38:25,222 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:38:25,223 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:38:25,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:38:25,223 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:38:25,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:38:25,224 INFO L85 PathProgramCache]: Analyzing trace with hash -943195956, now seen corresponding path program 1 times [2024-11-28 04:38:25,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:38:25,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046936264] [2024-11-28 04:38:25,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:38:25,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:38:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:38:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-28 04:38:29,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:38:29,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046936264] [2024-11-28 04:38:29,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046936264] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:38:29,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533077625] [2024-11-28 04:38:29,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:38:29,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:38:29,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:38:29,240 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:38:29,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 04:38:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:38:34,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 9108 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:38:34,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:38:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 226 proven. 16 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-11-28 04:38:34,905 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:38:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-28 04:38:36,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533077625] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:38:36,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:38:36,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-28 04:38:36,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776500240] [2024-11-28 04:38:36,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:38:36,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:38:36,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:38:36,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:38:36,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:38:36,988 INFO L87 Difference]: Start difference. First operand 7142 states and 10559 transitions. Second operand has 13 states, 13 states have (on average 16.307692307692307) internal successors, (212), 13 states have internal predecessors, (212), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-28 04:38:37,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:38:37,485 INFO L93 Difference]: Finished difference Result 14201 states and 21005 transitions. [2024-11-28 04:38:37,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:38:37,486 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 16.307692307692307) internal successors, (212), 13 states have internal predecessors, (212), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 666 [2024-11-28 04:38:37,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:38:37,535 INFO L225 Difference]: With dead ends: 14201 [2024-11-28 04:38:37,535 INFO L226 Difference]: Without dead ends: 7166 [2024-11-28 04:38:37,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1337 GetRequests, 1326 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:38:37,561 INFO L435 NwaCegarLoop]: 3425 mSDtfsCounter, 2 mSDsluCounter, 6842 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10267 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:38:37,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10267 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:38:37,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7166 states. [2024-11-28 04:38:37,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7166 to 7166. [2024-11-28 04:38:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7166 states, 5792 states have (on average 1.4476864640883977) internal successors, (8385), 5932 states have internal predecessors, (8385), 1079 states have call successors, (1079), 292 states have call predecessors, (1079), 294 states have return successors, (1119), 1039 states have call predecessors, (1119), 1077 states have call successors, (1119) [2024-11-28 04:38:37,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7166 states to 7166 states and 10583 transitions. [2024-11-28 04:38:37,935 INFO L78 Accepts]: Start accepts. Automaton has 7166 states and 10583 transitions. Word has length 666 [2024-11-28 04:38:37,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:38:37,936 INFO L471 AbstractCegarLoop]: Abstraction has 7166 states and 10583 transitions. [2024-11-28 04:38:37,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.307692307692307) internal successors, (212), 13 states have internal predecessors, (212), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-28 04:38:37,937 INFO L276 IsEmpty]: Start isEmpty. Operand 7166 states and 10583 transitions. [2024-11-28 04:38:37,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2024-11-28 04:38:37,957 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:38:37,957 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:38:38,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 04:38:38,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 04:38:38,158 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:38:38,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:38:38,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1053736436, now seen corresponding path program 2 times [2024-11-28 04:38:38,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:38:38,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139921689] [2024-11-28 04:38:38,160 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:38:38,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:38:40,574 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:38:40,575 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:38:41,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5786 trivial. 0 not checked. [2024-11-28 04:38:41,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:38:41,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139921689] [2024-11-28 04:38:41,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139921689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:38:41,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:38:41,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:38:41,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904573944] [2024-11-28 04:38:41,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:38:41,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:38:41,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:38:41,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:38:41,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:38:41,789 INFO L87 Difference]: Start difference. First operand 7166 states and 10583 transitions. Second operand has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 1 states have call successors, (55) [2024-11-28 04:38:42,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:38:42,112 INFO L93 Difference]: Finished difference Result 14233 states and 21445 transitions. [2024-11-28 04:38:42,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:38:42,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 1 states have call successors, (55) Word has length 678 [2024-11-28 04:38:42,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:38:42,157 INFO L225 Difference]: With dead ends: 14233 [2024-11-28 04:38:42,157 INFO L226 Difference]: Without dead ends: 7174 [2024-11-28 04:38:42,187 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 04:38:42,187 INFO L435 NwaCegarLoop]: 3425 mSDtfsCounter, 0 mSDsluCounter, 6845 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10270 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:38:42,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10270 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:38:42,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7174 states. [2024-11-28 04:38:42,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7174 to 7174. [2024-11-28 04:38:42,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7174 states, 5800 states have (on average 1.4470689655172413) internal successors, (8393), 5940 states have internal predecessors, (8393), 1079 states have call successors, (1079), 292 states have call predecessors, (1079), 294 states have return successors, (1119), 1039 states have call predecessors, (1119), 1077 states have call successors, (1119) [2024-11-28 04:38:43,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7174 states to 7174 states and 10591 transitions. [2024-11-28 04:38:43,045 INFO L78 Accepts]: Start accepts. Automaton has 7174 states and 10591 transitions. Word has length 678 [2024-11-28 04:38:43,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:38:43,050 INFO L471 AbstractCegarLoop]: Abstraction has 7174 states and 10591 transitions. [2024-11-28 04:38:43,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 1 states have call successors, (55) [2024-11-28 04:38:43,051 INFO L276 IsEmpty]: Start isEmpty. Operand 7174 states and 10591 transitions. [2024-11-28 04:38:43,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2024-11-28 04:38:43,093 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:38:43,097 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:38:43,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:38:43,097 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:38:43,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:38:43,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1883604405, now seen corresponding path program 1 times [2024-11-28 04:38:43,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:38:43,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287056598] [2024-11-28 04:38:43,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:38:43,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:38:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:38:47,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-28 04:38:47,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:38:47,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287056598] [2024-11-28 04:38:47,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287056598] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:38:47,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671183895] [2024-11-28 04:38:47,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:38:47,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:38:47,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:38:47,916 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:38:47,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 04:38:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:38:53,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 9183 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:38:53,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:38:53,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 226 proven. 100 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-11-28 04:38:53,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:38:56,010 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-28 04:38:56,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671183895] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:38:56,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:38:56,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-28 04:38:56,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433267497] [2024-11-28 04:38:56,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:38:56,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-28 04:38:56,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:38:56,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-28 04:38:56,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:38:56,015 INFO L87 Difference]: Start difference. First operand 7174 states and 10591 transitions. Second operand has 25 states, 25 states have (on average 8.8) internal successors, (220), 25 states have internal predecessors, (220), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-28 04:38:56,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:38:56,491 INFO L93 Difference]: Finished difference Result 14289 states and 21105 transitions. [2024-11-28 04:38:56,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 04:38:56,492 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.8) internal successors, (220), 25 states have internal predecessors, (220), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 673 [2024-11-28 04:38:56,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:38:56,522 INFO L225 Difference]: With dead ends: 14289 [2024-11-28 04:38:56,522 INFO L226 Difference]: Without dead ends: 7222 [2024-11-28 04:38:56,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1357 GetRequests, 1334 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:38:56,546 INFO L435 NwaCegarLoop]: 3425 mSDtfsCounter, 2 mSDsluCounter, 10263 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13688 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:38:56,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13688 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:38:56,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7222 states. [2024-11-28 04:38:57,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7222 to 7222. [2024-11-28 04:38:57,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7222 states, 5848 states have (on average 1.4433994528043776) internal successors, (8441), 5988 states have internal predecessors, (8441), 1079 states have call successors, (1079), 292 states have call predecessors, (1079), 294 states have return successors, (1119), 1039 states have call predecessors, (1119), 1077 states have call successors, (1119) [2024-11-28 04:38:57,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7222 states to 7222 states and 10639 transitions. [2024-11-28 04:38:57,268 INFO L78 Accepts]: Start accepts. Automaton has 7222 states and 10639 transitions. Word has length 673 [2024-11-28 04:38:57,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:38:57,271 INFO L471 AbstractCegarLoop]: Abstraction has 7222 states and 10639 transitions. [2024-11-28 04:38:57,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.8) internal successors, (220), 25 states have internal predecessors, (220), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2024-11-28 04:38:57,271 INFO L276 IsEmpty]: Start isEmpty. Operand 7222 states and 10639 transitions. [2024-11-28 04:38:57,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2024-11-28 04:38:57,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:38:57,293 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 34, 34, 34, 34, 34, 22, 22, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:38:57,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 04:38:57,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 04:38:57,495 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:38:57,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:38:57,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1289375237, now seen corresponding path program 2 times [2024-11-28 04:38:57,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:38:57,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739597879] [2024-11-28 04:38:57,498 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:38:57,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:02,382 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:39:02,383 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:39:07,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6173 backedges. 2 proven. 484 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-28 04:39:07,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:07,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739597879] [2024-11-28 04:39:07,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739597879] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:39:07,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398895347] [2024-11-28 04:39:07,902 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:39:07,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:07,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:07,906 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:39:07,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_745a0472-56a3-4db9-b666-057c13e50234/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process