./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/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_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 037e795cce503850d2c4452c45fcb076e5748c33e58ba9a275ca2db56216e774 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:02:07,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:02:08,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 00:02:08,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:02:08,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:02:08,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:02:08,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:02:08,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:02:08,165 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:02:08,165 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:02:08,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:02:08,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:02:08,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:02:08,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:02:08,167 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:02:08,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:02:08,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:02:08,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:02:08,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:02:08,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:02:08,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:02:08,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:02:08,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:02:08,170 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:02:08,170 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:02:08,170 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:02:08,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:02:08,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:02:08,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:02:08,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:02:08,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:02:08,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:02:08,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:02:08,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:02:08,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:02:08,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:02:08,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:02:08,174 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:02:08,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:02:08,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:02:08,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:02:08,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:02:08,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:02:08,175 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:02:08,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:02:08,175 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_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037e795cce503850d2c4452c45fcb076e5748c33e58ba9a275ca2db56216e774 [2024-11-24 00:02:08,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:02:08,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:02:08,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:02:08,644 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:02:08,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:02:08,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2024-11-24 00:02:12,641 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/data/194518809/fb4028a4a389449b826a75277120fd20/FLAG271f11f39 [2024-11-24 00:02:13,515 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:02:13,518 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2024-11-24 00:02:13,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/data/194518809/fb4028a4a389449b826a75277120fd20/FLAG271f11f39 [2024-11-24 00:02:13,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/data/194518809/fb4028a4a389449b826a75277120fd20 [2024-11-24 00:02:13,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:02:13,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:02:13,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:02:13,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:02:13,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:02:13,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:02:13" (1/1) ... [2024-11-24 00:02:13,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427e245e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:13, skipping insertion in model container [2024-11-24 00:02:13,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:02:13" (1/1) ... [2024-11-24 00:02:13,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:02:16,411 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_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/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] [2024-11-24 00:02:16,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:02:16,792 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:02:17,512 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_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/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] [2024-11-24 00:02:17,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:02:17,805 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:02:17,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17 WrapperNode [2024-11-24 00:02:17,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:02:17,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:02:17,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:02:17,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:02:17,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (1/1) ... [2024-11-24 00:02:17,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (1/1) ... [2024-11-24 00:02:18,565 INFO L138 Inliner]: procedures = 308, calls = 4884, calls flagged for inlining = 114, calls inlined = 104, statements flattened = 8936 [2024-11-24 00:02:18,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:02:18,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:02:18,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:02:18,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:02:18,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (1/1) ... [2024-11-24 00:02:18,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (1/1) ... [2024-11-24 00:02:18,828 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (1/1) ... [2024-11-24 00:02:20,269 INFO L175 MemorySlicer]: Split 4014 memory accesses to 23 slices as follows [2, 1, 2, 19, 43, 3572, 1, 2, 28, 6, 119, 67, 3, 44, 2, 35, 3, 2, 1, 1, 51, 2, 8]. 89 percent of accesses are in the largest equivalence class. The 2128 initializations are split as follows [2, 0, 0, 0, 0, 1937, 0, 0, 0, 6, 63, 63, 0, 0, 0, 0, 3, 0, 0, 0, 48, 0, 6]. The 587 writes are split as follows [0, 1, 2, 0, 0, 489, 0, 1, 28, 0, 10, 2, 1, 44, 1, 1, 0, 1, 1, 0, 3, 0, 2]. [2024-11-24 00:02:20,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (1/1) ... [2024-11-24 00:02:20,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (1/1) ... [2024-11-24 00:02:20,584 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (1/1) ... [2024-11-24 00:02:20,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (1/1) ... [2024-11-24 00:02:20,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (1/1) ... [2024-11-24 00:02:20,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (1/1) ... [2024-11-24 00:02:20,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (1/1) ... [2024-11-24 00:02:20,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:02:20,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:02:20,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:02:20,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:02:20,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (1/1) ... [2024-11-24 00:02:20,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:02:20,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:02:20,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:02:20,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:02:21,012 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2024-11-24 00:02:21,012 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2024-11-24 00:02:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2024-11-24 00:02:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2024-11-24 00:02:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2024-11-24 00:02:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2024-11-24 00:02:21,013 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2024-11-24 00:02:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2024-11-24 00:02:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2024-11-24 00:02:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2024-11-24 00:02:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2024-11-24 00:02:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2024-11-24 00:02:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2024-11-24 00:02:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2024-11-24 00:02:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 00:02:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 00:02:21,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 00:02:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 00:02:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 00:02:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 00:02:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 00:02:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 00:02:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 00:02:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 00:02:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 00:02:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 00:02:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 00:02:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 00:02:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-24 00:02:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-24 00:02:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-24 00:02:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-24 00:02:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-24 00:02:21,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-24 00:02:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 00:02:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 00:02:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 00:02:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 00:02:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2024-11-24 00:02:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2024-11-24 00:02:21,021 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2024-11-24 00:02:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2024-11-24 00:02:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2024-11-24 00:02:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2024-11-24 00:02:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2024-11-24 00:02:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-24 00:02:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-24 00:02:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2024-11-24 00:02:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2024-11-24 00:02:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2024-11-24 00:02:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2024-11-24 00:02:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2024-11-24 00:02:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2024-11-24 00:02:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-24 00:02:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-24 00:02:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2024-11-24 00:02:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2024-11-24 00:02:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 00:02:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 00:02:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2024-11-24 00:02:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2024-11-24 00:02:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2024-11-24 00:02:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2024-11-24 00:02:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2024-11-24 00:02:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2024-11-24 00:02:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 00:02:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 00:02:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 00:02:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 00:02:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 00:02:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 00:02:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 00:02:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 00:02:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 00:02:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 00:02:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 00:02:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 00:02:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 00:02:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 00:02:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-24 00:02:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-24 00:02:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-24 00:02:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-24 00:02:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-24 00:02:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-24 00:02:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-24 00:02:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-24 00:02:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-24 00:02:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 00:02:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 00:02:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 00:02:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 00:02:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 00:02:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 00:02:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 00:02:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 00:02:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 00:02:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 00:02:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 00:02:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 00:02:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 00:02:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 00:02:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-24 00:02:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-24 00:02:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-24 00:02:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-24 00:02:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-24 00:02:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-24 00:02:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-24 00:02:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-24 00:02:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-24 00:02:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:02:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:02:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2024-11-24 00:02:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2024-11-24 00:02:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2024-11-24 00:02:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2024-11-24 00:02:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2024-11-24 00:02:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2024-11-24 00:02:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:02:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2024-11-24 00:02:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2024-11-24 00:02:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2024-11-24 00:02:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-11-24 00:02:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 00:02:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2024-11-24 00:02:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 00:02:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2024-11-24 00:02:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 00:02:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 00:02:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 00:02:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 00:02:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 00:02:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 00:02:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 00:02:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 00:02:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-24 00:02:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-24 00:02:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-24 00:02:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-24 00:02:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 00:02:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 00:02:21,039 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 [2024-11-24 00:02:21,039 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 [2024-11-24 00:02:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2024-11-24 00:02:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2024-11-24 00:02:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-24 00:02:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-24 00:02:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-24 00:02:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-24 00:02:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-24 00:02:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-24 00:02:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2024-11-24 00:02:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2024-11-24 00:02:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2024-11-24 00:02:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2024-11-24 00:02:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2024-11-24 00:02:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2024-11-24 00:02:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 00:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 00:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 00:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 00:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 00:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 00:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 00:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 00:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 00:02:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 00:02:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 00:02:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 00:02:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 00:02:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 00:02:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-24 00:02:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-24 00:02:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-24 00:02:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-24 00:02:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-24 00:02:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-24 00:02:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-24 00:02:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-24 00:02:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-24 00:02:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-24 00:02:21,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-24 00:02:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 00:02:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 00:02:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 00:02:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 00:02:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 00:02:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 00:02:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 00:02:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 00:02:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 00:02:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 00:02:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 00:02:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 00:02:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 00:02:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 00:02:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 00:02:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 00:02:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 00:02:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 00:02:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 00:02:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-24 00:02:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-24 00:02:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2024-11-24 00:02:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2024-11-24 00:02:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2024-11-24 00:02:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:02:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2024-11-24 00:02:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-24 00:02:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-24 00:02:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-24 00:02:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-24 00:02:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-24 00:02:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-24 00:02:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-24 00:02:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-24 00:02:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-24 00:02:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-24 00:02:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-24 00:02:21,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-24 00:02:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-24 00:02:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-24 00:02:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-24 00:02:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-24 00:02:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-24 00:02:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-24 00:02:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-11-24 00:02:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2024-11-24 00:02:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2024-11-24 00:02:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2024-11-24 00:02:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2024-11-24 00:02:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 00:02:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 00:02:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2024-11-24 00:02:21,052 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2024-11-24 00:02:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:02:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:02:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:02:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:02:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 00:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 00:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 00:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 00:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 00:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 00:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-24 00:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-24 00:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-24 00:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-24 00:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2024-11-24 00:02:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2024-11-24 00:02:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2024-11-24 00:02:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2024-11-24 00:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2024-11-24 00:02:21,061 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2024-11-24 00:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2024-11-24 00:02:21,061 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2024-11-24 00:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2024-11-24 00:02:21,061 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2024-11-24 00:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-24 00:02:21,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-24 00:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2024-11-24 00:02:21,061 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2024-11-24 00:02:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-24 00:02:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2024-11-24 00:02:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2024-11-24 00:02:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 00:02:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 00:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 00:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-24 00:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-24 00:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-24 00:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-24 00:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2024-11-24 00:02:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2024-11-24 00:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-24 00:02:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-24 00:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2024-11-24 00:02:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2024-11-24 00:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2024-11-24 00:02:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2024-11-24 00:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:02:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2024-11-24 00:02:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2024-11-24 00:02:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2024-11-24 00:02:21,063 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2024-11-24 00:02:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2024-11-24 00:02:21,068 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2024-11-24 00:02:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2024-11-24 00:02:21,068 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2024-11-24 00:02:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2024-11-24 00:02:21,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2024-11-24 00:02:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2024-11-24 00:02:21,068 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2024-11-24 00:02:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2024-11-24 00:02:21,068 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2024-11-24 00:02:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2024-11-24 00:02:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2024-11-24 00:02:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2024-11-24 00:02:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-24 00:02:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2024-11-24 00:02:21,069 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:02:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2024-11-24 00:02:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2024-11-24 00:02:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-24 00:02:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:02:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:02:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-24 00:02:21,070 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-24 00:02:22,907 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:02:22,912 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:02:29,131 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 00:03:20,200 INFO L? ?]: Removed 2923 outVars from TransFormulas that were not future-live. [2024-11-24 00:03:20,201 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:03:20,296 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:03:20,297 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 00:03:20,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:03:20 BoogieIcfgContainer [2024-11-24 00:03:20,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:03:20,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:03:20,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:03:20,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:03:20,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:02:13" (1/3) ... [2024-11-24 00:03:20,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae61b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:03:20, skipping insertion in model container [2024-11-24 00:03:20,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:02:17" (2/3) ... [2024-11-24 00:03:20,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae61b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:03:20, skipping insertion in model container [2024-11-24 00:03:20,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:03:20" (3/3) ... [2024-11-24 00:03:20,311 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2024-11-24 00:03:20,332 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:03:20,336 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. [2024-11-24 00:03:20,500 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:03:20,522 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;@62f6cbc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:03:20,523 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:03:20,541 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) [2024-11-24 00:03:20,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2024-11-24 00:03:20,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:20,628 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] [2024-11-24 00:03:20,629 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:20,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:20,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1886032296, now seen corresponding path program 1 times [2024-11-24 00:03:20,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:20,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381975926] [2024-11-24 00:03:20,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:20,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:25,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 5406 trivial. 0 not checked. [2024-11-24 00:03:25,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:25,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381975926] [2024-11-24 00:03:25,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381975926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:03:25,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438184759] [2024-11-24 00:03:25,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:25,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:03:25,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:03:25,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:03:25,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:03:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:30,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 8423 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:03:30,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:03:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 5378 trivial. 0 not checked. [2024-11-24 00:03:30,636 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:03:30,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438184759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:30,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:03:30,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:03:30,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755352828] [2024-11-24 00:03:30,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:30,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:03:30,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:30,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:03:30,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:03:30,692 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) [2024-11-24 00:03:31,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:31,131 INFO L93 Difference]: Finished difference Result 4689 states and 7141 transitions. [2024-11-24 00:03:31,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:03:31,134 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 [2024-11-24 00:03:31,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:31,200 INFO L225 Difference]: With dead ends: 4689 [2024-11-24 00:03:31,201 INFO L226 Difference]: Without dead ends: 2335 [2024-11-24 00:03:31,225 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 [2024-11-24 00:03:31,229 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 [2024-11-24 00:03:31,230 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] [2024-11-24 00:03:31,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2335 states. [2024-11-24 00:03:31,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2335 to 2335. [2024-11-24 00:03:31,527 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) [2024-11-24 00:03:31,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 3475 transitions. [2024-11-24 00:03:31,623 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 3475 transitions. Word has length 539 [2024-11-24 00:03:31,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:31,623 INFO L471 AbstractCegarLoop]: Abstraction has 2335 states and 3475 transitions. [2024-11-24 00:03:31,624 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) [2024-11-24 00:03:31,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 3475 transitions. [2024-11-24 00:03:31,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2024-11-24 00:03:31,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:31,658 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] [2024-11-24 00:03:31,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:03:31,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:03:31,861 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:31,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:31,862 INFO L85 PathProgramCache]: Analyzing trace with hash 151453592, now seen corresponding path program 1 times [2024-11-24 00:03:31,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:31,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320511160] [2024-11-24 00:03:31,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:31,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:36,021 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-24 00:03:36,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:36,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320511160] [2024-11-24 00:03:36,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320511160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:36,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:36,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:03:36,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481990995] [2024-11-24 00:03:36,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:36,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:03:36,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:36,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:03:36,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:03:36,029 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) [2024-11-24 00:03:40,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:03:40,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:40,772 INFO L93 Difference]: Finished difference Result 6731 states and 10035 transitions. [2024-11-24 00:03:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:03:40,773 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 [2024-11-24 00:03:40,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:40,832 INFO L225 Difference]: With dead ends: 6731 [2024-11-24 00:03:40,832 INFO L226 Difference]: Without dead ends: 4493 [2024-11-24 00:03:40,849 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 [2024-11-24 00:03:40,850 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 [2024-11-24 00:03:40,851 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] [2024-11-24 00:03:40,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4493 states. [2024-11-24 00:03:41,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4493 to 4490. [2024-11-24 00:03:41,200 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) [2024-11-24 00:03:41,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4490 states to 4490 states and 6694 transitions. [2024-11-24 00:03:41,250 INFO L78 Accepts]: Start accepts. Automaton has 4490 states and 6694 transitions. Word has length 539 [2024-11-24 00:03:41,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:41,252 INFO L471 AbstractCegarLoop]: Abstraction has 4490 states and 6694 transitions. [2024-11-24 00:03:41,252 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) [2024-11-24 00:03:41,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4490 states and 6694 transitions. [2024-11-24 00:03:41,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-11-24 00:03:41,281 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:41,282 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] [2024-11-24 00:03:41,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:03:41,282 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:41,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:41,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1780537127, now seen corresponding path program 1 times [2024-11-24 00:03:41,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:41,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864046180] [2024-11-24 00:03:41,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:41,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-24 00:03:45,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:45,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864046180] [2024-11-24 00:03:45,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864046180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:45,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:45,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:03:45,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237662124] [2024-11-24 00:03:45,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:45,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:03:45,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:45,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:03:45,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:03:45,344 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) [2024-11-24 00:03:45,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:45,633 INFO L93 Difference]: Finished difference Result 8885 states and 13252 transitions. [2024-11-24 00:03:45,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:03:45,633 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 [2024-11-24 00:03:45,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:45,685 INFO L225 Difference]: With dead ends: 8885 [2024-11-24 00:03:45,685 INFO L226 Difference]: Without dead ends: 4492 [2024-11-24 00:03:45,708 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 [2024-11-24 00:03:45,710 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 [2024-11-24 00:03:45,711 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] [2024-11-24 00:03:45,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4492 states. [2024-11-24 00:03:45,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4492 to 4491. [2024-11-24 00:03:45,916 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) [2024-11-24 00:03:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4491 states to 4491 states and 6695 transitions. [2024-11-24 00:03:45,954 INFO L78 Accepts]: Start accepts. Automaton has 4491 states and 6695 transitions. Word has length 556 [2024-11-24 00:03:45,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:45,957 INFO L471 AbstractCegarLoop]: Abstraction has 4491 states and 6695 transitions. [2024-11-24 00:03:45,958 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) [2024-11-24 00:03:45,958 INFO L276 IsEmpty]: Start isEmpty. Operand 4491 states and 6695 transitions. [2024-11-24 00:03:45,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2024-11-24 00:03:45,986 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:45,987 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] [2024-11-24 00:03:45,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:03:45,988 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:45,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:45,989 INFO L85 PathProgramCache]: Analyzing trace with hash 322157187, now seen corresponding path program 1 times [2024-11-24 00:03:45,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:45,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754100734] [2024-11-24 00:03:45,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:45,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-24 00:03:50,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:50,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754100734] [2024-11-24 00:03:50,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754100734] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:03:50,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301751428] [2024-11-24 00:03:50,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:50,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:03:50,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:03:50,526 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:03:50,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:03:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:55,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 8410 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:03:55,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:03:59,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-11-24 00:03:59,229 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:03:59,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301751428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:59,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:03:59,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:03:59,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435327674] [2024-11-24 00:03:59,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:59,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:03:59,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:59,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:03:59,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:03:59,232 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) [2024-11-24 00:03:59,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:59,403 INFO L93 Difference]: Finished difference Result 4493 states and 6696 transitions. [2024-11-24 00:03:59,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:03:59,404 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 [2024-11-24 00:03:59,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:59,449 INFO L225 Difference]: With dead ends: 4493 [2024-11-24 00:03:59,450 INFO L226 Difference]: Without dead ends: 4490 [2024-11-24 00:03:59,454 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 [2024-11-24 00:03:59,455 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 [2024-11-24 00:03:59,456 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] [2024-11-24 00:03:59,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2024-11-24 00:03:59,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 4490. [2024-11-24 00:03:59,687 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) [2024-11-24 00:03:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4490 states to 4490 states and 6693 transitions. [2024-11-24 00:03:59,729 INFO L78 Accepts]: Start accepts. Automaton has 4490 states and 6693 transitions. Word has length 558 [2024-11-24 00:03:59,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:59,730 INFO L471 AbstractCegarLoop]: Abstraction has 4490 states and 6693 transitions. [2024-11-24 00:03:59,730 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) [2024-11-24 00:03:59,730 INFO L276 IsEmpty]: Start isEmpty. Operand 4490 states and 6693 transitions. [2024-11-24 00:03:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2024-11-24 00:03:59,760 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:59,761 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] [2024-11-24 00:03:59,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:03:59,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:03:59,962 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:59,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:59,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1396430577, now seen corresponding path program 1 times [2024-11-24 00:03:59,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:59,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755561499] [2024-11-24 00:03:59,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:59,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-24 00:04:04,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:04,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755561499] [2024-11-24 00:04:04,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755561499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:04:04,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618176477] [2024-11-24 00:04:04,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:04,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:04:04,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:04:04,155 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:04:04,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:04:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:09,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 8412 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:04:09,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-11-24 00:04:12,510 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:04:12,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618176477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:12,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:04:12,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:04:12,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192316152] [2024-11-24 00:04:12,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:12,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:04:12,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:12,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:04:12,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:04:12,513 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) [2024-11-24 00:04:12,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:12,673 INFO L93 Difference]: Finished difference Result 4492 states and 6694 transitions. [2024-11-24 00:04:12,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:04:12,674 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 [2024-11-24 00:04:12,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:12,716 INFO L225 Difference]: With dead ends: 4492 [2024-11-24 00:04:12,716 INFO L226 Difference]: Without dead ends: 4489 [2024-11-24 00:04:12,720 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 [2024-11-24 00:04:12,721 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 [2024-11-24 00:04:12,722 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] [2024-11-24 00:04:12,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states. [2024-11-24 00:04:12,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 4489. [2024-11-24 00:04:12,961 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) [2024-11-24 00:04:12,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 6691 transitions. [2024-11-24 00:04:12,999 INFO L78 Accepts]: Start accepts. Automaton has 4489 states and 6691 transitions. Word has length 559 [2024-11-24 00:04:13,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:13,001 INFO L471 AbstractCegarLoop]: Abstraction has 4489 states and 6691 transitions. [2024-11-24 00:04:13,002 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) [2024-11-24 00:04:13,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4489 states and 6691 transitions. [2024-11-24 00:04:13,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2024-11-24 00:04:13,022 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:13,022 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] [2024-11-24 00:04:13,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 00:04:13,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:04:13,223 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:13,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:13,224 INFO L85 PathProgramCache]: Analyzing trace with hash 339172166, now seen corresponding path program 1 times [2024-11-24 00:04:13,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:13,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716207702] [2024-11-24 00:04:13,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:13,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-24 00:04:16,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:16,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716207702] [2024-11-24 00:04:16,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716207702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:04:16,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594482534] [2024-11-24 00:04:16,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:16,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:04:16,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:04:16,729 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:04:16,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 00:04:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:21,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 8414 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:04:21,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-11-24 00:04:25,270 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:04:25,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594482534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:25,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:04:25,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:04:25,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166892693] [2024-11-24 00:04:25,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:25,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:04:25,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:25,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:04:25,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:04:25,272 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) [2024-11-24 00:04:25,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:25,495 INFO L93 Difference]: Finished difference Result 8862 states and 13226 transitions. [2024-11-24 00:04:25,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:04:25,496 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 [2024-11-24 00:04:25,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:25,549 INFO L225 Difference]: With dead ends: 8862 [2024-11-24 00:04:25,549 INFO L226 Difference]: Without dead ends: 4470 [2024-11-24 00:04:25,574 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 [2024-11-24 00:04:25,576 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 [2024-11-24 00:04:25,576 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] [2024-11-24 00:04:25,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4470 states. [2024-11-24 00:04:25,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4470 to 4466. [2024-11-24 00:04:25,817 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) [2024-11-24 00:04:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4466 states to 4466 states and 6665 transitions. [2024-11-24 00:04:25,853 INFO L78 Accepts]: Start accepts. Automaton has 4466 states and 6665 transitions. Word has length 560 [2024-11-24 00:04:25,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:25,854 INFO L471 AbstractCegarLoop]: Abstraction has 4466 states and 6665 transitions. [2024-11-24 00:04:25,855 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) [2024-11-24 00:04:25,855 INFO L276 IsEmpty]: Start isEmpty. Operand 4466 states and 6665 transitions. [2024-11-24 00:04:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2024-11-24 00:04:25,872 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:25,873 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] [2024-11-24 00:04:25,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 00:04:26,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-24 00:04:26,075 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:26,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:26,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1923904660, now seen corresponding path program 1 times [2024-11-24 00:04:26,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:26,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526507180] [2024-11-24 00:04:26,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:26,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:29,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-24 00:04:29,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:29,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526507180] [2024-11-24 00:04:29,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526507180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:04:29,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76533295] [2024-11-24 00:04:29,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:29,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:04:29,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:04:29,168 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:04:29,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 00:04:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:34,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 8416 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:04:34,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-11-24 00:04:37,621 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:04:37,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76533295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:37,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:04:37,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:04:37,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912498848] [2024-11-24 00:04:37,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:37,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:04:37,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:37,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:04:37,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:04:37,624 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) [2024-11-24 00:04:37,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:37,806 INFO L93 Difference]: Finished difference Result 4468 states and 6666 transitions. [2024-11-24 00:04:37,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:04:37,807 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 [2024-11-24 00:04:37,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:37,841 INFO L225 Difference]: With dead ends: 4468 [2024-11-24 00:04:37,842 INFO L226 Difference]: Without dead ends: 4465 [2024-11-24 00:04:37,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:04:37,847 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 [2024-11-24 00:04:37,847 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] [2024-11-24 00:04:37,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4465 states. [2024-11-24 00:04:38,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4465 to 4465. [2024-11-24 00:04:38,101 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) [2024-11-24 00:04:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4465 states to 4465 states and 6663 transitions. [2024-11-24 00:04:38,137 INFO L78 Accepts]: Start accepts. Automaton has 4465 states and 6663 transitions. Word has length 561 [2024-11-24 00:04:38,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:38,138 INFO L471 AbstractCegarLoop]: Abstraction has 4465 states and 6663 transitions. [2024-11-24 00:04:38,139 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) [2024-11-24 00:04:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 4465 states and 6663 transitions. [2024-11-24 00:04:38,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2024-11-24 00:04:38,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:38,159 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] [2024-11-24 00:04:38,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-24 00:04:38,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:04:38,360 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:38,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:38,361 INFO L85 PathProgramCache]: Analyzing trace with hash -488990711, now seen corresponding path program 1 times [2024-11-24 00:04:38,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:38,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192507776] [2024-11-24 00:04:38,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:38,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:41,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-11-24 00:04:41,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:41,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192507776] [2024-11-24 00:04:41,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192507776] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:04:41,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220181645] [2024-11-24 00:04:41,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:41,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:04:41,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:04:41,220 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:04:41,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 00:04:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:46,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 8418 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:04:46,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-11-24 00:04:49,453 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:04:49,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220181645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:49,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:04:49,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:04:49,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252850414] [2024-11-24 00:04:49,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:49,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:04:49,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:49,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:04:49,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:04:49,456 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) [2024-11-24 00:04:49,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:49,641 INFO L93 Difference]: Finished difference Result 4467 states and 6664 transitions. [2024-11-24 00:04:49,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:04:49,641 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 [2024-11-24 00:04:49,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:49,677 INFO L225 Difference]: With dead ends: 4467 [2024-11-24 00:04:49,677 INFO L226 Difference]: Without dead ends: 4439 [2024-11-24 00:04:49,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:04:49,685 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 [2024-11-24 00:04:49,685 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] [2024-11-24 00:04:49,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4439 states. [2024-11-24 00:04:49,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4439 to 4439. [2024-11-24 00:04:49,938 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) [2024-11-24 00:04:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4439 states to 4439 states and 6629 transitions. [2024-11-24 00:04:49,969 INFO L78 Accepts]: Start accepts. Automaton has 4439 states and 6629 transitions. Word has length 562 [2024-11-24 00:04:49,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:49,971 INFO L471 AbstractCegarLoop]: Abstraction has 4439 states and 6629 transitions. [2024-11-24 00:04:49,972 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) [2024-11-24 00:04:49,972 INFO L276 IsEmpty]: Start isEmpty. Operand 4439 states and 6629 transitions. [2024-11-24 00:04:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2024-11-24 00:04:49,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:49,992 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] [2024-11-24 00:04:50,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-24 00:04:50,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-24 00:04:50,193 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:50,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:50,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1237970809, now seen corresponding path program 1 times [2024-11-24 00:04:50,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:50,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142390195] [2024-11-24 00:04:50,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:50,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5449 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5449 trivial. 0 not checked. [2024-11-24 00:04:53,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:53,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142390195] [2024-11-24 00:04:53,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142390195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:53,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:53,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:04:53,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485030167] [2024-11-24 00:04:53,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:53,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:04:53,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:53,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:04:53,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:04:53,221 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) [2024-11-24 00:04:57,538 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 [] [2024-11-24 00:04:58,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:58,136 INFO L93 Difference]: Finished difference Result 11436 states and 16965 transitions. [2024-11-24 00:04:58,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:04:58,136 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 [2024-11-24 00:04:58,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:58,190 INFO L225 Difference]: With dead ends: 11436 [2024-11-24 00:04:58,190 INFO L226 Difference]: Without dead ends: 7094 [2024-11-24 00:04:58,216 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 [2024-11-24 00:04:58,217 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 [2024-11-24 00:04:58,217 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] [2024-11-24 00:04:58,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7094 states. [2024-11-24 00:04:58,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7094 to 7094. [2024-11-24 00:04:58,635 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) [2024-11-24 00:04:58,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7094 states to 7094 states and 10473 transitions. [2024-11-24 00:04:58,681 INFO L78 Accepts]: Start accepts. Automaton has 7094 states and 10473 transitions. Word has length 574 [2024-11-24 00:04:58,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:58,683 INFO L471 AbstractCegarLoop]: Abstraction has 7094 states and 10473 transitions. [2024-11-24 00:04:58,683 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) [2024-11-24 00:04:58,683 INFO L276 IsEmpty]: Start isEmpty. Operand 7094 states and 10473 transitions. [2024-11-24 00:04:58,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2024-11-24 00:04:58,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:58,716 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] [2024-11-24 00:04:58,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:04:58,718 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:58,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:58,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1793981827, now seen corresponding path program 1 times [2024-11-24 00:04:58,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:58,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880446758] [2024-11-24 00:04:58,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:58,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:02,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-24 00:05:02,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:02,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880446758] [2024-11-24 00:05:02,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880446758] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:02,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884798253] [2024-11-24 00:05:02,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:02,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:02,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:02,471 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:02,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 00:05:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:07,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 9033 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:05:07,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:08,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5685 trivial. 0 not checked. [2024-11-24 00:05:08,024 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:08,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884798253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:08,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:08,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-24 00:05:08,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144197331] [2024-11-24 00:05:08,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:08,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:05:08,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:08,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:05:08,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:08,027 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) [2024-11-24 00:05:08,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:08,429 INFO L93 Difference]: Finished difference Result 14085 states and 21179 transitions. [2024-11-24 00:05:08,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:05:08,430 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 [2024-11-24 00:05:08,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:08,485 INFO L225 Difference]: With dead ends: 14085 [2024-11-24 00:05:08,485 INFO L226 Difference]: Without dead ends: 7098 [2024-11-24 00:05:08,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 655 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:05:08,523 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 [2024-11-24 00:05:08,524 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] [2024-11-24 00:05:08,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7098 states. [2024-11-24 00:05:08,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7098 to 7098. [2024-11-24 00:05:08,888 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) [2024-11-24 00:05:09,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7098 states to 7098 states and 10477 transitions. [2024-11-24 00:05:09,068 INFO L78 Accepts]: Start accepts. Automaton has 7098 states and 10477 transitions. Word has length 655 [2024-11-24 00:05:09,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:09,069 INFO L471 AbstractCegarLoop]: Abstraction has 7098 states and 10477 transitions. [2024-11-24 00:05:09,070 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) [2024-11-24 00:05:09,070 INFO L276 IsEmpty]: Start isEmpty. Operand 7098 states and 10477 transitions. [2024-11-24 00:05:09,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2024-11-24 00:05:09,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:09,102 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] [2024-11-24 00:05:09,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-24 00:05:09,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-24 00:05:09,303 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:09,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:09,307 INFO L85 PathProgramCache]: Analyzing trace with hash 796166913, now seen corresponding path program 1 times [2024-11-24 00:05:09,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:09,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16339505] [2024-11-24 00:05:09,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:09,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-24 00:05:12,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:12,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16339505] [2024-11-24 00:05:12,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16339505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:12,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016593228] [2024-11-24 00:05:12,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:12,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:12,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:12,546 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:12,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-24 00:05:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:17,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 9039 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:05:17,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5686 trivial. 0 not checked. [2024-11-24 00:05:17,949 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:05:17,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016593228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:17,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:05:17,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-24 00:05:17,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246431428] [2024-11-24 00:05:17,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:17,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:05:17,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:17,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:05:17,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:05:17,953 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) [2024-11-24 00:05:18,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:18,403 INFO L93 Difference]: Finished difference Result 14097 states and 21191 transitions. [2024-11-24 00:05:18,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:05:18,404 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 [2024-11-24 00:05:18,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:18,457 INFO L225 Difference]: With dead ends: 14097 [2024-11-24 00:05:18,458 INFO L226 Difference]: Without dead ends: 7106 [2024-11-24 00:05:18,604 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 [2024-11-24 00:05:18,604 INFO L435 NwaCegarLoop]: 3424 mSDtfsCounter, 1 mSDsluCounter, 6842 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-24 00:05:18,605 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] [2024-11-24 00:05:18,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7106 states. [2024-11-24 00:05:18,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7106 to 7106. [2024-11-24 00:05:18,944 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) [2024-11-24 00:05:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7106 states to 7106 states and 10485 transitions. [2024-11-24 00:05:18,987 INFO L78 Accepts]: Start accepts. Automaton has 7106 states and 10485 transitions. Word has length 655 [2024-11-24 00:05:18,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:18,989 INFO L471 AbstractCegarLoop]: Abstraction has 7106 states and 10485 transitions. [2024-11-24 00:05:18,989 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) [2024-11-24 00:05:18,990 INFO L276 IsEmpty]: Start isEmpty. Operand 7106 states and 10485 transitions. [2024-11-24 00:05:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2024-11-24 00:05:19,018 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:19,018 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] [2024-11-24 00:05:19,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-24 00:05:19,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-24 00:05:19,220 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:19,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:19,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1151925627, now seen corresponding path program 1 times [2024-11-24 00:05:19,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:19,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888642048] [2024-11-24 00:05:19,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:19,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-24 00:05:21,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:21,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888642048] [2024-11-24 00:05:21,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888642048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:21,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785048328] [2024-11-24 00:05:21,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:21,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:21,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:21,994 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:21,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-24 00:05:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:27,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 9045 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:05:27,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:27,870 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 226 proven. 1 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-11-24 00:05:27,871 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:30,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-24 00:05:30,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785048328] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:05:30,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:05:30,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-24 00:05:30,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042435149] [2024-11-24 00:05:30,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:05:30,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:05:30,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:30,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:05:30,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:05:30,286 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) [2024-11-24 00:05:30,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:30,824 INFO L93 Difference]: Finished difference Result 14117 states and 20839 transitions. [2024-11-24 00:05:30,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:05:30,825 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 [2024-11-24 00:05:30,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:30,883 INFO L225 Difference]: With dead ends: 14117 [2024-11-24 00:05:30,883 INFO L226 Difference]: Without dead ends: 7118 [2024-11-24 00:05:30,912 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 [2024-11-24 00:05:30,915 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 [2024-11-24 00:05:30,915 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] [2024-11-24 00:05:30,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7118 states. [2024-11-24 00:05:31,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7118 to 7118. [2024-11-24 00:05:31,240 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) [2024-11-24 00:05:31,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7118 states to 7118 states and 10497 transitions. [2024-11-24 00:05:31,283 INFO L78 Accepts]: Start accepts. Automaton has 7118 states and 10497 transitions. Word has length 655 [2024-11-24 00:05:31,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:31,285 INFO L471 AbstractCegarLoop]: Abstraction has 7118 states and 10497 transitions. [2024-11-24 00:05:31,285 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) [2024-11-24 00:05:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand 7118 states and 10497 transitions. [2024-11-24 00:05:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2024-11-24 00:05:31,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:31,305 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] [2024-11-24 00:05:31,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-24 00:05:31,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:31,506 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:31,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:31,508 INFO L85 PathProgramCache]: Analyzing trace with hash 2025174257, now seen corresponding path program 2 times [2024-11-24 00:05:31,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:31,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959311278] [2024-11-24 00:05:31,508 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:05:31,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:33,772 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 00:05:33,772 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:05:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5702 trivial. 0 not checked. [2024-11-24 00:05:34,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:34,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959311278] [2024-11-24 00:05:34,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959311278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:34,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:34,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:05:34,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820619405] [2024-11-24 00:05:34,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:34,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:05:34,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:34,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:05:34,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:05:34,921 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) [2024-11-24 00:05:35,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:35,403 INFO L93 Difference]: Finished difference Result 14149 states and 21101 transitions. [2024-11-24 00:05:35,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:05:35,404 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 [2024-11-24 00:05:35,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:35,463 INFO L225 Difference]: With dead ends: 14149 [2024-11-24 00:05:35,463 INFO L226 Difference]: Without dead ends: 7138 [2024-11-24 00:05:35,495 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 [2024-11-24 00:05:35,497 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 [2024-11-24 00:05:35,498 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] [2024-11-24 00:05:35,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7138 states. [2024-11-24 00:05:35,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7138 to 7138. [2024-11-24 00:05:35,848 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) [2024-11-24 00:05:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7138 states to 7138 states and 10555 transitions. [2024-11-24 00:05:35,895 INFO L78 Accepts]: Start accepts. Automaton has 7138 states and 10555 transitions. Word has length 661 [2024-11-24 00:05:35,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:35,898 INFO L471 AbstractCegarLoop]: Abstraction has 7138 states and 10555 transitions. [2024-11-24 00:05:35,898 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) [2024-11-24 00:05:35,901 INFO L276 IsEmpty]: Start isEmpty. Operand 7138 states and 10555 transitions. [2024-11-24 00:05:35,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-11-24 00:05:35,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:35,922 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] [2024-11-24 00:05:35,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:05:35,923 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:35,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:35,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1095844150, now seen corresponding path program 1 times [2024-11-24 00:05:35,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:35,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734838973] [2024-11-24 00:05:35,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:35,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:38,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5702 trivial. 0 not checked. [2024-11-24 00:05:38,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:38,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734838973] [2024-11-24 00:05:38,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734838973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:38,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:38,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:05:38,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621871516] [2024-11-24 00:05:38,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:38,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:05:38,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:38,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:05:38,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:05:38,851 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) [2024-11-24 00:05:39,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:39,208 INFO L93 Difference]: Finished difference Result 14173 states and 21343 transitions. [2024-11-24 00:05:39,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:05:39,209 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 [2024-11-24 00:05:39,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:39,269 INFO L225 Difference]: With dead ends: 14173 [2024-11-24 00:05:39,269 INFO L226 Difference]: Without dead ends: 7142 [2024-11-24 00:05:39,304 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 [2024-11-24 00:05:39,305 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 [2024-11-24 00:05:39,305 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] [2024-11-24 00:05:39,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7142 states. [2024-11-24 00:05:39,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7142 to 7142. [2024-11-24 00:05:39,648 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) [2024-11-24 00:05:39,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7142 states to 7142 states and 10559 transitions. [2024-11-24 00:05:39,697 INFO L78 Accepts]: Start accepts. Automaton has 7142 states and 10559 transitions. Word has length 666 [2024-11-24 00:05:39,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:39,698 INFO L471 AbstractCegarLoop]: Abstraction has 7142 states and 10559 transitions. [2024-11-24 00:05:39,699 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) [2024-11-24 00:05:39,699 INFO L276 IsEmpty]: Start isEmpty. Operand 7142 states and 10559 transitions. [2024-11-24 00:05:39,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-11-24 00:05:39,720 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:39,721 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] [2024-11-24 00:05:39,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:05:39,721 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:39,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:39,722 INFO L85 PathProgramCache]: Analyzing trace with hash -955295540, now seen corresponding path program 1 times [2024-11-24 00:05:39,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:39,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746549447] [2024-11-24 00:05:39,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:39,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-24 00:05:44,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:44,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746549447] [2024-11-24 00:05:44,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746549447] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:05:44,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738844466] [2024-11-24 00:05:44,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:44,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:05:44,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:05:44,251 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:05:44,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-24 00:05:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:05:50,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 9108 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:05:50,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:05:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 226 proven. 16 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-11-24 00:05:50,434 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:05:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-24 00:05:53,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738844466] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:05:53,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:05:53,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-24 00:05:53,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036931088] [2024-11-24 00:05:53,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:05:53,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 00:05:53,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:53,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 00:05:53,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:05:53,051 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) [2024-11-24 00:05:53,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:53,490 INFO L93 Difference]: Finished difference Result 14201 states and 21005 transitions. [2024-11-24 00:05:53,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 00:05:53,491 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 [2024-11-24 00:05:53,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:53,545 INFO L225 Difference]: With dead ends: 14201 [2024-11-24 00:05:53,546 INFO L226 Difference]: Without dead ends: 7166 [2024-11-24 00:05:53,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1337 GetRequests, 1326 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:05:53,577 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 [2024-11-24 00:05:53,578 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] [2024-11-24 00:05:53,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7166 states. [2024-11-24 00:05:53,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7166 to 7166. [2024-11-24 00:05:53,926 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) [2024-11-24 00:05:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7166 states to 7166 states and 10583 transitions. [2024-11-24 00:05:53,975 INFO L78 Accepts]: Start accepts. Automaton has 7166 states and 10583 transitions. Word has length 666 [2024-11-24 00:05:53,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:53,976 INFO L471 AbstractCegarLoop]: Abstraction has 7166 states and 10583 transitions. [2024-11-24 00:05:53,976 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) [2024-11-24 00:05:53,976 INFO L276 IsEmpty]: Start isEmpty. Operand 7166 states and 10583 transitions. [2024-11-24 00:05:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2024-11-24 00:05:53,997 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:53,997 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] [2024-11-24 00:05:54,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-24 00:05:54,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-24 00:05:54,199 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:54,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:54,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1375330828, now seen corresponding path program 2 times [2024-11-24 00:05:54,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:54,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036598913] [2024-11-24 00:05:54,201 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:05:54,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:05:56,656 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 00:05:56,656 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:05:58,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5786 trivial. 0 not checked. [2024-11-24 00:05:58,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:05:58,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036598913] [2024-11-24 00:05:58,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036598913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:05:58,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:05:58,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:05:58,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778370181] [2024-11-24 00:05:58,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:05:58,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:05:58,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:05:58,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:05:58,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:05:58,084 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) [2024-11-24 00:05:58,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:05:58,450 INFO L93 Difference]: Finished difference Result 14233 states and 21445 transitions. [2024-11-24 00:05:58,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:05:58,451 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 [2024-11-24 00:05:58,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:05:58,507 INFO L225 Difference]: With dead ends: 14233 [2024-11-24 00:05:58,507 INFO L226 Difference]: Without dead ends: 7174 [2024-11-24 00:05:58,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:05:58,544 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 [2024-11-24 00:05:58,544 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] [2024-11-24 00:05:58,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7174 states. [2024-11-24 00:05:58,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7174 to 7174. [2024-11-24 00:05:58,876 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) [2024-11-24 00:05:58,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7174 states to 7174 states and 10591 transitions. [2024-11-24 00:05:58,926 INFO L78 Accepts]: Start accepts. Automaton has 7174 states and 10591 transitions. Word has length 678 [2024-11-24 00:05:58,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:05:58,927 INFO L471 AbstractCegarLoop]: Abstraction has 7174 states and 10591 transitions. [2024-11-24 00:05:58,927 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) [2024-11-24 00:05:58,927 INFO L276 IsEmpty]: Start isEmpty. Operand 7174 states and 10591 transitions. [2024-11-24 00:05:58,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2024-11-24 00:05:58,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:05:58,949 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] [2024-11-24 00:05:58,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 00:05:58,949 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:05:58,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:05:58,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1821959605, now seen corresponding path program 1 times [2024-11-24 00:05:58,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:05:58,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652833382] [2024-11-24 00:05:58,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:05:58,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-24 00:06:04,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:04,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652833382] [2024-11-24 00:06:04,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652833382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:06:04,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978086956] [2024-11-24 00:06:04,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:04,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:06:04,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:04,463 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:06:04,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-24 00:06:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:10,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 9183 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 00:06:10,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:10,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 226 proven. 100 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-11-24 00:06:10,840 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:06:13,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-24 00:06:13,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978086956] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:06:13,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:06:13,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-24 00:06:13,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536584185] [2024-11-24 00:06:13,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:06:13,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-24 00:06:13,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:13,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-24 00:06:13,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:06:13,717 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) [2024-11-24 00:06:14,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:14,308 INFO L93 Difference]: Finished difference Result 14289 states and 21105 transitions. [2024-11-24 00:06:14,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-24 00:06:14,309 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 [2024-11-24 00:06:14,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:06:14,364 INFO L225 Difference]: With dead ends: 14289 [2024-11-24 00:06:14,364 INFO L226 Difference]: Without dead ends: 7222 [2024-11-24 00:06:14,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1357 GetRequests, 1334 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:06:14,393 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 [2024-11-24 00:06:14,393 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] [2024-11-24 00:06:14,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7222 states. [2024-11-24 00:06:14,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7222 to 7222. [2024-11-24 00:06:14,731 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) [2024-11-24 00:06:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7222 states to 7222 states and 10639 transitions. [2024-11-24 00:06:15,004 INFO L78 Accepts]: Start accepts. Automaton has 7222 states and 10639 transitions. Word has length 673 [2024-11-24 00:06:15,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:06:15,005 INFO L471 AbstractCegarLoop]: Abstraction has 7222 states and 10639 transitions. [2024-11-24 00:06:15,006 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) [2024-11-24 00:06:15,006 INFO L276 IsEmpty]: Start isEmpty. Operand 7222 states and 10639 transitions. [2024-11-24 00:06:15,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2024-11-24 00:06:15,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:06:15,028 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:15,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-24 00:06:15,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-24 00:06:15,229 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:06:15,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:15,232 INFO L85 PathProgramCache]: Analyzing trace with hash 383538630, now seen corresponding path program 1 times [2024-11-24 00:06:15,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:15,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092528860] [2024-11-24 00:06:15,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:15,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:22,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6173 backedges. 2 proven. 484 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-24 00:06:22,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:22,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092528860] [2024-11-24 00:06:22,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092528860] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:06:22,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930422801] [2024-11-24 00:06:22,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:06:22,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:06:22,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:22,045 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:06:22,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-24 00:06:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:06:28,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 9377 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-24 00:06:28,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:06:28,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6173 backedges. 226 proven. 484 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-11-24 00:06:28,921 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:06:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 6173 backedges. 2 proven. 484 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-24 00:06:35,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930422801] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:06:35,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:06:35,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2024-11-24 00:06:35,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972540819] [2024-11-24 00:06:35,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:06:35,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-24 00:06:35,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:06:35,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-24 00:06:35,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-11-24 00:06:35,214 INFO L87 Difference]: Start difference. First operand 7222 states and 10639 transitions. Second operand has 49 states, 49 states have (on average 5.795918367346939) internal successors, (284), 49 states have internal predecessors, (284), 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) [2024-11-24 00:06:36,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:06:36,166 INFO L93 Difference]: Finished difference Result 14433 states and 21273 transitions. [2024-11-24 00:06:36,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-24 00:06:36,167 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 5.795918367346939) internal successors, (284), 49 states have internal predecessors, (284), 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 702 [2024-11-24 00:06:36,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:06:36,223 INFO L225 Difference]: With dead ends: 14433 [2024-11-24 00:06:36,223 INFO L226 Difference]: Without dead ends: 7318 [2024-11-24 00:06:36,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1427 GetRequests, 1380 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-11-24 00:06:36,253 INFO L435 NwaCegarLoop]: 3425 mSDtfsCounter, 2 mSDsluCounter, 27368 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 30793 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:06:36,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 30793 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:06:36,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7318 states. [2024-11-24 00:06:36,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7318 to 7318. [2024-11-24 00:06:36,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7318 states, 5944 states have (on average 1.4362382234185733) internal successors, (8537), 6084 states have internal predecessors, (8537), 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) [2024-11-24 00:06:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7318 states to 7318 states and 10735 transitions. [2024-11-24 00:06:36,632 INFO L78 Accepts]: Start accepts. Automaton has 7318 states and 10735 transitions. Word has length 702 [2024-11-24 00:06:36,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:06:36,633 INFO L471 AbstractCegarLoop]: Abstraction has 7318 states and 10735 transitions. [2024-11-24 00:06:36,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.795918367346939) internal successors, (284), 49 states have internal predecessors, (284), 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) [2024-11-24 00:06:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 7318 states and 10735 transitions. [2024-11-24 00:06:36,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2024-11-24 00:06:36,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:06:36,655 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:06:36,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-24 00:06:36,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-24 00:06:36,857 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:06:36,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:06:36,858 INFO L85 PathProgramCache]: Analyzing trace with hash 322351718, now seen corresponding path program 2 times [2024-11-24 00:06:36,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:06:36,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443325084] [2024-11-24 00:06:36,858 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:06:36,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:06:42,127 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 00:06:42,127 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:06:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7805 backedges. 2 proven. 2116 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-11-24 00:06:54,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:06:54,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443325084] [2024-11-24 00:06:54,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443325084] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:06:54,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189729529] [2024-11-24 00:06:54,280 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:06:54,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:06:54,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:06:54,282 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:06:54,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8c5aec-8e0e-4372-a6b6-26ad38c238b4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process